From fae100ebf899fb5b80f6a2508b04b6e34ca44c8e Mon Sep 17 00:00:00 2001
From: Alexey Khokhlov <alexeyxo@gmail.com>
Date: Tue, 10 Mar 2015 18:01:13 +0300
Subject: [PATCH] Circular optional references cause an infinite loop #38

Fix #38
---
 .../ProtocolBuffers/Info.plist                |    2 +-
 .../ProtocolBuffersTests/Performance.pb.swift |  416 +
 .../ProtocolBuffersTests.swift                |    3 +
 .../ProtobufUnittest_Unittest.pb.swift        |  282 +-
 ...fUnittest_Unittest_custom_options.pb.swift |   48 +-
 ...ttest_Unittest_embed_optimize_for.pb.swift |    8 +-
 .../ProtobufUnittest_Unittest_lite.pb.swift   |  110 +-
 ...est_Unittest_lite_imports_nonlite.pb.swift |    8 +-
 .../ProtobufUnittest_Unittest_mset.pb.swift   |    8 +-
 ...bufUnittest_Unittest_optimize_for.pb.swift |   16 +-
 .../runtime-pb-swift/Descriptor.pb.swift      | 7692 -----------------
 .../GoogleProtobuf_Descriptor.pb.swift        |   64 +-
 .../runtime-pb-swift/SwiftDescriptor.pb.swift |  337 -
 .../google/protobuf/performance.proto         |    8 +
 src/compiler/swift_message_field.cc           |    8 +-
 15 files changed, 704 insertions(+), 8306 deletions(-)
 delete mode 100644 src/ProtocolBuffers/runtime-pb-swift/Descriptor.pb.swift
 delete mode 100644 src/ProtocolBuffers/runtime-pb-swift/SwiftDescriptor.pb.swift

diff --git a/src/ProtocolBuffers/ProtocolBuffers/Info.plist b/src/ProtocolBuffers/ProtocolBuffers/Info.plist
index 5e5492c..9c1d5a8 100644
--- a/src/ProtocolBuffers/ProtocolBuffers/Info.plist
+++ b/src/ProtocolBuffers/ProtocolBuffers/Info.plist
@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.4</string>
+	<string>1.5</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
diff --git a/src/ProtocolBuffers/ProtocolBuffersTests/Performance.pb.swift b/src/ProtocolBuffers/ProtocolBuffersTests/Performance.pb.swift
index c48edef..5554cb8 100644
--- a/src/ProtocolBuffers/ProtocolBuffersTests/Performance.pb.swift
+++ b/src/ProtocolBuffers/ProtocolBuffersTests/Performance.pb.swift
@@ -5,6 +5,24 @@ import ProtocolBuffers
 
 
 
+public func == (lhs: User, rhs: User) -> Bool {
+  if (lhs === rhs) {
+    return true
+  }
+  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
+  fieldCheck = fieldCheck && (lhs.hasGroup == rhs.hasGroup) && (!lhs.hasGroup || lhs.group == rhs.group)
+  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
+}
+
+public func == (lhs: Group, rhs: Group) -> Bool {
+  if (lhs === rhs) {
+    return true
+  }
+  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
+  fieldCheck = fieldCheck && (lhs.hasOwner == rhs.hasOwner) && (!lhs.hasOwner || lhs.owner == rhs.owner)
+  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
+}
+
 public func == (lhs: PerfomanceBatch, rhs: PerfomanceBatch) -> Bool {
   if (lhs === rhs) {
     return true
@@ -47,6 +65,404 @@ public struct PerformanceRoot {
   }
 }
 
+final public class User : GeneratedMessage, GeneratedMessageProtocol {
+  public private(set) var hasGroup:Bool = false
+  public private(set) var group:Group!
+  required public init() {
+       super.init()
+  }
+  override public func isInitialized() -> Bool {
+   return true
+  }
+  override public func writeToCodedOutputStream(output:CodedOutputStream) {
+    if hasGroup {
+      output.writeMessage(1, value:group)
+    }
+    unknownFields.writeToCodedOutputStream(output)
+  }
+  override public func serializedSize() -> Int32 {
+    var serialize_size:Int32 = memoizedSerializedSize
+    if serialize_size != -1 {
+     return serialize_size
+    }
+
+    serialize_size = 0
+    if hasGroup {
+      serialize_size += group.computeMessageSize(1)
+    }
+    serialize_size += unknownFields.serializedSize()
+    memoizedSerializedSize = serialize_size
+    return serialize_size
+  }
+  public class func parseFromData(data:NSData) -> User {
+    return User.builder().mergeFromData(data, extensionRegistry:PerformanceRoot.sharedInstance.extensionRegistry).build()
+  }
+  public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> User {
+    return User.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
+  }
+  public class func parseFromInputStream(input:NSInputStream) -> User {
+    return User.builder().mergeFromInputStream(input).build()
+  }
+  public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->User {
+    return User.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
+  }
+  public class func parseFromCodedInputStream(input:CodedInputStream) -> User {
+    return User.builder().mergeFromCodedInputStream(input).build()
+  }
+  public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> User {
+    return User.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
+  }
+  public class func builder() -> UserBuilder {
+    return User.classBuilder() as UserBuilder
+  }
+  public func builder() -> UserBuilder {
+    return classBuilder() as UserBuilder
+  }
+  public override class func classBuilder() -> MessageBuilder {
+    return UserBuilder()
+  }
+  public override func classBuilder() -> MessageBuilder {
+    return User.builder()
+  }
+  public func toBuilder() -> UserBuilder {
+    return User.builderWithPrototype(self)
+  }
+  public class func builderWithPrototype(prototype:User) -> UserBuilder {
+    return User.builder().mergeFrom(prototype)
+  }
+  override public func writeDescriptionTo(inout output:String, indent:String) {
+    if hasGroup {
+      output += "\(indent) group {\n"
+      group.writeDescriptionTo(&output, indent:"\(indent)  ")
+      output += "\(indent) }\n"
+    }
+    unknownFields.writeDescriptionTo(&output, indent:indent)
+  }
+  override public var hashValue:Int {
+      get {
+          var hashCode:Int = 7
+          if hasGroup {
+            hashCode = (hashCode &* 31) &+ group.hashValue
+          }
+          hashCode = (hashCode &* 31) &+  unknownFields.hashValue
+          return hashCode
+      }
+  }
+
+
+  //Meta information declaration start
+
+  override public class func className() -> String {
+      return "User"
+  }
+  override public func className() -> String {
+      return "User"
+  }
+  override public func classMetaType() -> GeneratedMessage.Type {
+      return User.self
+  }
+  //Meta information declaration end
+
+}
+
+final public class UserBuilder : GeneratedMessageBuilder {
+  private var builderResult:User
+
+  required override public init () {
+     builderResult = User()
+     super.init()
+  }
+  public var hasGroup:Bool {
+       get {
+           return builderResult.hasGroup
+       }
+  }
+  public var group:Group! {
+       get {
+           return builderResult.group
+       }
+       set (value) {
+           builderResult.hasGroup = true
+           builderResult.group = value
+       }
+  }
+  public func setGroup(value:Group!)-> UserBuilder {
+    self.group = value
+    return self
+  }
+  public func mergeGroup(value:Group) -> UserBuilder {
+    if (builderResult.hasGroup) {
+      builderResult.group = Group.builderWithPrototype(builderResult.group).mergeFrom(value).buildPartial()
+    } else {
+      builderResult.group = value
+    }
+    builderResult.hasGroup = true
+    return self
+  }
+  public func clearGroup() -> UserBuilder {
+    builderResult.hasGroup = false
+    builderResult.group = nil
+    return self
+  }
+  override public var internalGetResult:GeneratedMessage {
+       get {
+          return builderResult
+       }
+  }
+  public override func clear() -> UserBuilder {
+    builderResult = User()
+    return self
+  }
+  public override func clone() -> UserBuilder {
+    return User.builderWithPrototype(builderResult)
+  }
+  public override func build() -> User {
+       checkInitialized()
+       return buildPartial()
+  }
+  public func buildPartial() -> User {
+    var returnMe:User = builderResult
+    return returnMe
+  }
+  public func mergeFrom(other:User) -> UserBuilder {
+    if (other == User()) {
+     return self
+    }
+    if (other.hasGroup) {
+        mergeGroup(other.group)
+    }
+    mergeUnknownFields(other.unknownFields)
+    return self
+  }
+  public override func mergeFromCodedInputStream(input:CodedInputStream) ->UserBuilder {
+       return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
+  }
+  public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> UserBuilder {
+    var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
+    while (true) {
+      var tag = input.readTag()
+      switch tag {
+      case 0: 
+        self.unknownFields = unknownFieldsBuilder.build()
+        return self
+
+      case 10 :
+        var subBuilder:GroupBuilder = Group.builder()
+        if hasGroup {
+          subBuilder.mergeFrom(group)
+        }
+        input.readMessage(subBuilder, extensionRegistry:extensionRegistry)
+        group = subBuilder.buildPartial()
+
+      default:
+        if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
+           unknownFields = unknownFieldsBuilder.build()
+           return self
+        }
+      }
+    }
+  }
+}
+
+final public class Group : GeneratedMessage, GeneratedMessageProtocol {
+  public private(set) var hasOwner:Bool = false
+  public private(set) var owner:User!
+  required public init() {
+       super.init()
+  }
+  override public func isInitialized() -> Bool {
+   return true
+  }
+  override public func writeToCodedOutputStream(output:CodedOutputStream) {
+    if hasOwner {
+      output.writeMessage(1, value:owner)
+    }
+    unknownFields.writeToCodedOutputStream(output)
+  }
+  override public func serializedSize() -> Int32 {
+    var serialize_size:Int32 = memoizedSerializedSize
+    if serialize_size != -1 {
+     return serialize_size
+    }
+
+    serialize_size = 0
+    if hasOwner {
+      serialize_size += owner.computeMessageSize(1)
+    }
+    serialize_size += unknownFields.serializedSize()
+    memoizedSerializedSize = serialize_size
+    return serialize_size
+  }
+  public class func parseFromData(data:NSData) -> Group {
+    return Group.builder().mergeFromData(data, extensionRegistry:PerformanceRoot.sharedInstance.extensionRegistry).build()
+  }
+  public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Group {
+    return Group.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
+  }
+  public class func parseFromInputStream(input:NSInputStream) -> Group {
+    return Group.builder().mergeFromInputStream(input).build()
+  }
+  public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Group {
+    return Group.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
+  }
+  public class func parseFromCodedInputStream(input:CodedInputStream) -> Group {
+    return Group.builder().mergeFromCodedInputStream(input).build()
+  }
+  public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Group {
+    return Group.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
+  }
+  public class func builder() -> GroupBuilder {
+    return Group.classBuilder() as GroupBuilder
+  }
+  public func builder() -> GroupBuilder {
+    return classBuilder() as GroupBuilder
+  }
+  public override class func classBuilder() -> MessageBuilder {
+    return GroupBuilder()
+  }
+  public override func classBuilder() -> MessageBuilder {
+    return Group.builder()
+  }
+  public func toBuilder() -> GroupBuilder {
+    return Group.builderWithPrototype(self)
+  }
+  public class func builderWithPrototype(prototype:Group) -> GroupBuilder {
+    return Group.builder().mergeFrom(prototype)
+  }
+  override public func writeDescriptionTo(inout output:String, indent:String) {
+    if hasOwner {
+      output += "\(indent) owner {\n"
+      owner.writeDescriptionTo(&output, indent:"\(indent)  ")
+      output += "\(indent) }\n"
+    }
+    unknownFields.writeDescriptionTo(&output, indent:indent)
+  }
+  override public var hashValue:Int {
+      get {
+          var hashCode:Int = 7
+          if hasOwner {
+            hashCode = (hashCode &* 31) &+ owner.hashValue
+          }
+          hashCode = (hashCode &* 31) &+  unknownFields.hashValue
+          return hashCode
+      }
+  }
+
+
+  //Meta information declaration start
+
+  override public class func className() -> String {
+      return "Group"
+  }
+  override public func className() -> String {
+      return "Group"
+  }
+  override public func classMetaType() -> GeneratedMessage.Type {
+      return Group.self
+  }
+  //Meta information declaration end
+
+}
+
+final public class GroupBuilder : GeneratedMessageBuilder {
+  private var builderResult:Group
+
+  required override public init () {
+     builderResult = Group()
+     super.init()
+  }
+  public var hasOwner:Bool {
+       get {
+           return builderResult.hasOwner
+       }
+  }
+  public var owner:User! {
+       get {
+           return builderResult.owner
+       }
+       set (value) {
+           builderResult.hasOwner = true
+           builderResult.owner = value
+       }
+  }
+  public func setOwner(value:User!)-> GroupBuilder {
+    self.owner = value
+    return self
+  }
+  public func mergeOwner(value:User) -> GroupBuilder {
+    if (builderResult.hasOwner) {
+      builderResult.owner = User.builderWithPrototype(builderResult.owner).mergeFrom(value).buildPartial()
+    } else {
+      builderResult.owner = value
+    }
+    builderResult.hasOwner = true
+    return self
+  }
+  public func clearOwner() -> GroupBuilder {
+    builderResult.hasOwner = false
+    builderResult.owner = nil
+    return self
+  }
+  override public var internalGetResult:GeneratedMessage {
+       get {
+          return builderResult
+       }
+  }
+  public override func clear() -> GroupBuilder {
+    builderResult = Group()
+    return self
+  }
+  public override func clone() -> GroupBuilder {
+    return Group.builderWithPrototype(builderResult)
+  }
+  public override func build() -> Group {
+       checkInitialized()
+       return buildPartial()
+  }
+  public func buildPartial() -> Group {
+    var returnMe:Group = builderResult
+    return returnMe
+  }
+  public func mergeFrom(other:Group) -> GroupBuilder {
+    if (other == Group()) {
+     return self
+    }
+    if (other.hasOwner) {
+        mergeOwner(other.owner)
+    }
+    mergeUnknownFields(other.unknownFields)
+    return self
+  }
+  public override func mergeFromCodedInputStream(input:CodedInputStream) ->GroupBuilder {
+       return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
+  }
+  public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> GroupBuilder {
+    var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
+    while (true) {
+      var tag = input.readTag()
+      switch tag {
+      case 0: 
+        self.unknownFields = unknownFieldsBuilder.build()
+        return self
+
+      case 10 :
+        var subBuilder:UserBuilder = User.builder()
+        if hasOwner {
+          subBuilder.mergeFrom(owner)
+        }
+        input.readMessage(subBuilder, extensionRegistry:extensionRegistry)
+        owner = subBuilder.buildPartial()
+
+      default:
+        if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
+           unknownFields = unknownFieldsBuilder.build()
+           return self
+        }
+      }
+    }
+  }
+}
+
 final public class PerfomanceBatch : GeneratedMessage, GeneratedMessageProtocol {
   public private(set) var batch:Array<Perfomance>  = Array<Perfomance>()
   required public init() {
diff --git a/src/ProtocolBuffers/ProtocolBuffersTests/ProtocolBuffersTests.swift b/src/ProtocolBuffers/ProtocolBuffersTests/ProtocolBuffersTests.swift
index 754b2d9..e6eb106 100644
--- a/src/ProtocolBuffers/ProtocolBuffersTests/ProtocolBuffersTests.swift
+++ b/src/ProtocolBuffers/ProtocolBuffersTests/ProtocolBuffersTests.swift
@@ -33,6 +33,9 @@ class ProtocolBuffersTests: XCTestCase {
             builder.batch += [original]
         }
         
+        var user:User! = nil
+        var group = GroupBuilder()
+        group.setOwner(user)
         
         let build = builder.build()
         
diff --git a/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest.pb.swift b/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest.pb.swift
index a5d515f..904f86b 100644
--- a/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest.pb.swift
+++ b/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest.pb.swift
@@ -2798,13 +2798,13 @@ internal extension ProtobufUnittest {
     private(set) var optionalBytes:NSData = NSData()
 
     private(set) var hasOptionalGroup:Bool = false
-    private(set) var optionalGroup:ProtobufUnittest.TestAllTypes.OptionalGroup = ProtobufUnittest.TestAllTypes.OptionalGroup()
+    private(set) var optionalGroup:ProtobufUnittest.TestAllTypes.OptionalGroup!
     private(set) var hasOptionalNestedMessage:Bool = false
-    private(set) var optionalNestedMessage:ProtobufUnittest.TestAllTypes.NestedMessage = ProtobufUnittest.TestAllTypes.NestedMessage()
+    private(set) var optionalNestedMessage:ProtobufUnittest.TestAllTypes.NestedMessage!
     private(set) var hasOptionalForeignMessage:Bool = false
-    private(set) var optionalForeignMessage:ProtobufUnittest.ForeignMessage = ProtobufUnittest.ForeignMessage()
+    private(set) var optionalForeignMessage:ProtobufUnittest.ForeignMessage!
     private(set) var hasOptionalImportMessage:Bool = false
-    private(set) var optionalImportMessage:ProtobufUnittestImport.ImportMessage = ProtobufUnittestImport.ImportMessage()
+    private(set) var optionalImportMessage:ProtobufUnittestImport.ImportMessage!
     private(set) var optionalNestedEnum:ProtobufUnittest.TestAllTypes.NestedEnum = ProtobufUnittest.TestAllTypes.NestedEnum.Foo
     private(set) var hasOptionalNestedEnum:Bool = false
     private(set) var optionalForeignEnum:ProtobufUnittest.ForeignEnum = ProtobufUnittest.ForeignEnum.ForeignFoo
@@ -2818,9 +2818,9 @@ internal extension ProtobufUnittest {
     private(set) var optionalCord:String = ""
 
     private(set) var hasOptionalPublicImportMessage:Bool = false
-    private(set) var optionalPublicImportMessage:ProtobufUnittestImport.PublicImportMessage = ProtobufUnittestImport.PublicImportMessage()
+    private(set) var optionalPublicImportMessage:ProtobufUnittestImport.PublicImportMessage!
     private(set) var hasOptionalLazyMessage:Bool = false
-    private(set) var optionalLazyMessage:ProtobufUnittest.TestAllTypes.NestedMessage = ProtobufUnittest.TestAllTypes.NestedMessage()
+    private(set) var optionalLazyMessage:ProtobufUnittest.TestAllTypes.NestedMessage!
     private(set) var hasDefaultInt32:Bool = false
     private(set) var defaultInt32:Int32 = Int32(41)
 
@@ -4472,7 +4472,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOptionalGroup
          }
     }
-    var optionalGroup:ProtobufUnittest.TestAllTypes.OptionalGroup {
+    var optionalGroup:ProtobufUnittest.TestAllTypes.OptionalGroup! {
          get {
              return builderResult.optionalGroup
          }
@@ -4481,7 +4481,7 @@ internal extension ProtobufUnittest {
              builderResult.optionalGroup = value
          }
     }
-    func setOptionalGroup(value:ProtobufUnittest.TestAllTypes.OptionalGroup)-> ProtobufUnittest.TestAllTypesBuilder {
+    func setOptionalGroup(value:ProtobufUnittest.TestAllTypes.OptionalGroup!)-> ProtobufUnittest.TestAllTypesBuilder {
       self.optionalGroup = value
       return self
     }
@@ -4496,7 +4496,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOptionalGroup() -> ProtobufUnittest.TestAllTypesBuilder {
       builderResult.hasOptionalGroup = false
-      builderResult.optionalGroup = ProtobufUnittest.TestAllTypes.OptionalGroup()
+      builderResult.optionalGroup = nil
       return self
     }
     var hasOptionalNestedMessage:Bool {
@@ -4504,7 +4504,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOptionalNestedMessage
          }
     }
-    var optionalNestedMessage:ProtobufUnittest.TestAllTypes.NestedMessage {
+    var optionalNestedMessage:ProtobufUnittest.TestAllTypes.NestedMessage! {
          get {
              return builderResult.optionalNestedMessage
          }
@@ -4513,7 +4513,7 @@ internal extension ProtobufUnittest {
              builderResult.optionalNestedMessage = value
          }
     }
-    func setOptionalNestedMessage(value:ProtobufUnittest.TestAllTypes.NestedMessage)-> ProtobufUnittest.TestAllTypesBuilder {
+    func setOptionalNestedMessage(value:ProtobufUnittest.TestAllTypes.NestedMessage!)-> ProtobufUnittest.TestAllTypesBuilder {
       self.optionalNestedMessage = value
       return self
     }
@@ -4528,7 +4528,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOptionalNestedMessage() -> ProtobufUnittest.TestAllTypesBuilder {
       builderResult.hasOptionalNestedMessage = false
-      builderResult.optionalNestedMessage = ProtobufUnittest.TestAllTypes.NestedMessage()
+      builderResult.optionalNestedMessage = nil
       return self
     }
     var hasOptionalForeignMessage:Bool {
@@ -4536,7 +4536,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOptionalForeignMessage
          }
     }
-    var optionalForeignMessage:ProtobufUnittest.ForeignMessage {
+    var optionalForeignMessage:ProtobufUnittest.ForeignMessage! {
          get {
              return builderResult.optionalForeignMessage
          }
@@ -4545,7 +4545,7 @@ internal extension ProtobufUnittest {
              builderResult.optionalForeignMessage = value
          }
     }
-    func setOptionalForeignMessage(value:ProtobufUnittest.ForeignMessage)-> ProtobufUnittest.TestAllTypesBuilder {
+    func setOptionalForeignMessage(value:ProtobufUnittest.ForeignMessage!)-> ProtobufUnittest.TestAllTypesBuilder {
       self.optionalForeignMessage = value
       return self
     }
@@ -4560,7 +4560,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOptionalForeignMessage() -> ProtobufUnittest.TestAllTypesBuilder {
       builderResult.hasOptionalForeignMessage = false
-      builderResult.optionalForeignMessage = ProtobufUnittest.ForeignMessage()
+      builderResult.optionalForeignMessage = nil
       return self
     }
     var hasOptionalImportMessage:Bool {
@@ -4568,7 +4568,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOptionalImportMessage
          }
     }
-    var optionalImportMessage:ProtobufUnittestImport.ImportMessage {
+    var optionalImportMessage:ProtobufUnittestImport.ImportMessage! {
          get {
              return builderResult.optionalImportMessage
          }
@@ -4577,7 +4577,7 @@ internal extension ProtobufUnittest {
              builderResult.optionalImportMessage = value
          }
     }
-    func setOptionalImportMessage(value:ProtobufUnittestImport.ImportMessage)-> ProtobufUnittest.TestAllTypesBuilder {
+    func setOptionalImportMessage(value:ProtobufUnittestImport.ImportMessage!)-> ProtobufUnittest.TestAllTypesBuilder {
       self.optionalImportMessage = value
       return self
     }
@@ -4592,7 +4592,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOptionalImportMessage() -> ProtobufUnittest.TestAllTypesBuilder {
       builderResult.hasOptionalImportMessage = false
-      builderResult.optionalImportMessage = ProtobufUnittestImport.ImportMessage()
+      builderResult.optionalImportMessage = nil
       return self
     }
       var hasOptionalNestedEnum:Bool{
@@ -4715,7 +4715,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOptionalPublicImportMessage
          }
     }
-    var optionalPublicImportMessage:ProtobufUnittestImport.PublicImportMessage {
+    var optionalPublicImportMessage:ProtobufUnittestImport.PublicImportMessage! {
          get {
              return builderResult.optionalPublicImportMessage
          }
@@ -4724,7 +4724,7 @@ internal extension ProtobufUnittest {
              builderResult.optionalPublicImportMessage = value
          }
     }
-    func setOptionalPublicImportMessage(value:ProtobufUnittestImport.PublicImportMessage)-> ProtobufUnittest.TestAllTypesBuilder {
+    func setOptionalPublicImportMessage(value:ProtobufUnittestImport.PublicImportMessage!)-> ProtobufUnittest.TestAllTypesBuilder {
       self.optionalPublicImportMessage = value
       return self
     }
@@ -4739,7 +4739,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOptionalPublicImportMessage() -> ProtobufUnittest.TestAllTypesBuilder {
       builderResult.hasOptionalPublicImportMessage = false
-      builderResult.optionalPublicImportMessage = ProtobufUnittestImport.PublicImportMessage()
+      builderResult.optionalPublicImportMessage = nil
       return self
     }
     var hasOptionalLazyMessage:Bool {
@@ -4747,7 +4747,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOptionalLazyMessage
          }
     }
-    var optionalLazyMessage:ProtobufUnittest.TestAllTypes.NestedMessage {
+    var optionalLazyMessage:ProtobufUnittest.TestAllTypes.NestedMessage! {
          get {
              return builderResult.optionalLazyMessage
          }
@@ -4756,7 +4756,7 @@ internal extension ProtobufUnittest {
              builderResult.optionalLazyMessage = value
          }
     }
-    func setOptionalLazyMessage(value:ProtobufUnittest.TestAllTypes.NestedMessage)-> ProtobufUnittest.TestAllTypesBuilder {
+    func setOptionalLazyMessage(value:ProtobufUnittest.TestAllTypes.NestedMessage!)-> ProtobufUnittest.TestAllTypesBuilder {
       self.optionalLazyMessage = value
       return self
     }
@@ -4771,7 +4771,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOptionalLazyMessage() -> ProtobufUnittest.TestAllTypesBuilder {
       builderResult.hasOptionalLazyMessage = false
-      builderResult.optionalLazyMessage = ProtobufUnittest.TestAllTypes.NestedMessage()
+      builderResult.optionalLazyMessage = nil
       return self
     }
     var repeatedInt32:Array<Int32> {
@@ -5662,7 +5662,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOneofNestedMessage
          }
     }
-    var oneofNestedMessage:ProtobufUnittest.TestAllTypes.NestedMessage {
+    var oneofNestedMessage:ProtobufUnittest.TestAllTypes.NestedMessage! {
          get {
              return builderResult.oneofNestedMessage
          }
@@ -5671,7 +5671,7 @@ internal extension ProtobufUnittest {
              builderResult.oneofNestedMessage = value
          }
     }
-    func setOneofNestedMessage(value:ProtobufUnittest.TestAllTypes.NestedMessage)-> ProtobufUnittest.TestAllTypesBuilder {
+    func setOneofNestedMessage(value:ProtobufUnittest.TestAllTypes.NestedMessage!)-> ProtobufUnittest.TestAllTypesBuilder {
       self.oneofNestedMessage = value
       return self
     }
@@ -5686,7 +5686,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOneofNestedMessage() -> ProtobufUnittest.TestAllTypesBuilder {
       builderResult.hasOneofNestedMessage = false
-      builderResult.oneofNestedMessage = ProtobufUnittest.TestAllTypes.NestedMessage()
+      builderResult.oneofNestedMessage = nil
       return self
     }
     var hasOneofString:Bool {
@@ -6326,9 +6326,9 @@ internal extension ProtobufUnittest {
 
   final internal class NestedTestAllTypes : GeneratedMessage, GeneratedMessageProtocol {
     private(set) var hasChild:Bool = false
-    private(set) var child:ProtobufUnittest.NestedTestAllTypes = ProtobufUnittest.NestedTestAllTypes()
+    private(set) var child:ProtobufUnittest.NestedTestAllTypes!
     private(set) var hasPayload:Bool = false
-    private(set) var payload:ProtobufUnittest.TestAllTypes = ProtobufUnittest.TestAllTypes()
+    private(set) var payload:ProtobufUnittest.TestAllTypes!
     required internal init() {
          super.init()
     }
@@ -6452,7 +6452,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasChild
          }
     }
-    var child:ProtobufUnittest.NestedTestAllTypes {
+    var child:ProtobufUnittest.NestedTestAllTypes! {
          get {
              return builderResult.child
          }
@@ -6461,7 +6461,7 @@ internal extension ProtobufUnittest {
              builderResult.child = value
          }
     }
-    func setChild(value:ProtobufUnittest.NestedTestAllTypes)-> ProtobufUnittest.NestedTestAllTypesBuilder {
+    func setChild(value:ProtobufUnittest.NestedTestAllTypes!)-> ProtobufUnittest.NestedTestAllTypesBuilder {
       self.child = value
       return self
     }
@@ -6476,7 +6476,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearChild() -> ProtobufUnittest.NestedTestAllTypesBuilder {
       builderResult.hasChild = false
-      builderResult.child = ProtobufUnittest.NestedTestAllTypes()
+      builderResult.child = nil
       return self
     }
     var hasPayload:Bool {
@@ -6484,7 +6484,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasPayload
          }
     }
-    var payload:ProtobufUnittest.TestAllTypes {
+    var payload:ProtobufUnittest.TestAllTypes! {
          get {
              return builderResult.payload
          }
@@ -6493,7 +6493,7 @@ internal extension ProtobufUnittest {
              builderResult.payload = value
          }
     }
-    func setPayload(value:ProtobufUnittest.TestAllTypes)-> ProtobufUnittest.NestedTestAllTypesBuilder {
+    func setPayload(value:ProtobufUnittest.TestAllTypes!)-> ProtobufUnittest.NestedTestAllTypesBuilder {
       self.payload = value
       return self
     }
@@ -6508,7 +6508,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearPayload() -> ProtobufUnittest.NestedTestAllTypesBuilder {
       builderResult.hasPayload = false
-      builderResult.payload = ProtobufUnittest.TestAllTypes()
+      builderResult.payload = nil
       return self
     }
     override internal var internalGetResult:GeneratedMessage {
@@ -9221,7 +9221,7 @@ internal extension ProtobufUnittest {
 
   final internal class TestRequiredForeign : GeneratedMessage, GeneratedMessageProtocol {
     private(set) var hasOptionalMessage:Bool = false
-    private(set) var optionalMessage:ProtobufUnittest.TestRequired = ProtobufUnittest.TestRequired()
+    private(set) var optionalMessage:ProtobufUnittest.TestRequired!
     private(set) var hasDummy:Bool = false
     private(set) var dummy:Int32 = Int32(0)
 
@@ -9378,7 +9378,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOptionalMessage
          }
     }
-    var optionalMessage:ProtobufUnittest.TestRequired {
+    var optionalMessage:ProtobufUnittest.TestRequired! {
          get {
              return builderResult.optionalMessage
          }
@@ -9387,7 +9387,7 @@ internal extension ProtobufUnittest {
              builderResult.optionalMessage = value
          }
     }
-    func setOptionalMessage(value:ProtobufUnittest.TestRequired)-> ProtobufUnittest.TestRequiredForeignBuilder {
+    func setOptionalMessage(value:ProtobufUnittest.TestRequired!)-> ProtobufUnittest.TestRequiredForeignBuilder {
       self.optionalMessage = value
       return self
     }
@@ -9402,7 +9402,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOptionalMessage() -> ProtobufUnittest.TestRequiredForeignBuilder {
       builderResult.hasOptionalMessage = false
-      builderResult.optionalMessage = ProtobufUnittest.TestRequired()
+      builderResult.optionalMessage = nil
       return self
     }
     var repeatedMessage:Array<ProtobufUnittest.TestRequired> {
@@ -9520,7 +9520,7 @@ internal extension ProtobufUnittest {
 
   final internal class TestForeignNested : GeneratedMessage, GeneratedMessageProtocol {
     private(set) var hasForeignNested:Bool = false
-    private(set) var foreignNested:ProtobufUnittest.TestAllTypes.NestedMessage = ProtobufUnittest.TestAllTypes.NestedMessage()
+    private(set) var foreignNested:ProtobufUnittest.TestAllTypes.NestedMessage!
     required internal init() {
          super.init()
     }
@@ -9630,7 +9630,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasForeignNested
          }
     }
-    var foreignNested:ProtobufUnittest.TestAllTypes.NestedMessage {
+    var foreignNested:ProtobufUnittest.TestAllTypes.NestedMessage! {
          get {
              return builderResult.foreignNested
          }
@@ -9639,7 +9639,7 @@ internal extension ProtobufUnittest {
              builderResult.foreignNested = value
          }
     }
-    func setForeignNested(value:ProtobufUnittest.TestAllTypes.NestedMessage)-> ProtobufUnittest.TestForeignNestedBuilder {
+    func setForeignNested(value:ProtobufUnittest.TestAllTypes.NestedMessage!)-> ProtobufUnittest.TestForeignNestedBuilder {
       self.foreignNested = value
       return self
     }
@@ -9654,7 +9654,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearForeignNested() -> ProtobufUnittest.TestForeignNestedBuilder {
       builderResult.hasForeignNested = false
-      builderResult.foreignNested = ProtobufUnittest.TestAllTypes.NestedMessage()
+      builderResult.foreignNested = nil
       return self
     }
     override internal var internalGetResult:GeneratedMessage {
@@ -10389,7 +10389,7 @@ internal extension ProtobufUnittest {
 
   final internal class TestRecursiveMessage : GeneratedMessage, GeneratedMessageProtocol {
     private(set) var hasA:Bool = false
-    private(set) var a:ProtobufUnittest.TestRecursiveMessage = ProtobufUnittest.TestRecursiveMessage()
+    private(set) var a:ProtobufUnittest.TestRecursiveMessage!
     private(set) var hasI:Bool = false
     private(set) var i:Int32 = Int32(0)
 
@@ -10514,7 +10514,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasA
          }
     }
-    var a:ProtobufUnittest.TestRecursiveMessage {
+    var a:ProtobufUnittest.TestRecursiveMessage! {
          get {
              return builderResult.a
          }
@@ -10523,7 +10523,7 @@ internal extension ProtobufUnittest {
              builderResult.a = value
          }
     }
-    func setA(value:ProtobufUnittest.TestRecursiveMessage)-> ProtobufUnittest.TestRecursiveMessageBuilder {
+    func setA(value:ProtobufUnittest.TestRecursiveMessage!)-> ProtobufUnittest.TestRecursiveMessageBuilder {
       self.a = value
       return self
     }
@@ -10538,7 +10538,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearA() -> ProtobufUnittest.TestRecursiveMessageBuilder {
       builderResult.hasA = false
-      builderResult.a = ProtobufUnittest.TestRecursiveMessage()
+      builderResult.a = nil
       return self
     }
     var hasI:Bool {
@@ -10632,7 +10632,7 @@ internal extension ProtobufUnittest {
 
   final internal class TestMutualRecursionA : GeneratedMessage, GeneratedMessageProtocol {
     private(set) var hasBb:Bool = false
-    private(set) var bb:ProtobufUnittest.TestMutualRecursionB = ProtobufUnittest.TestMutualRecursionB()
+    private(set) var bb:ProtobufUnittest.TestMutualRecursionB!
     required internal init() {
          super.init()
     }
@@ -10742,7 +10742,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasBb
          }
     }
-    var bb:ProtobufUnittest.TestMutualRecursionB {
+    var bb:ProtobufUnittest.TestMutualRecursionB! {
          get {
              return builderResult.bb
          }
@@ -10751,7 +10751,7 @@ internal extension ProtobufUnittest {
              builderResult.bb = value
          }
     }
-    func setBb(value:ProtobufUnittest.TestMutualRecursionB)-> ProtobufUnittest.TestMutualRecursionABuilder {
+    func setBb(value:ProtobufUnittest.TestMutualRecursionB!)-> ProtobufUnittest.TestMutualRecursionABuilder {
       self.bb = value
       return self
     }
@@ -10766,7 +10766,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearBb() -> ProtobufUnittest.TestMutualRecursionABuilder {
       builderResult.hasBb = false
-      builderResult.bb = ProtobufUnittest.TestMutualRecursionB()
+      builderResult.bb = nil
       return self
     }
     override internal var internalGetResult:GeneratedMessage {
@@ -10831,7 +10831,7 @@ internal extension ProtobufUnittest {
 
   final internal class TestMutualRecursionB : GeneratedMessage, GeneratedMessageProtocol {
     private(set) var hasA:Bool = false
-    private(set) var a:ProtobufUnittest.TestMutualRecursionA = ProtobufUnittest.TestMutualRecursionA()
+    private(set) var a:ProtobufUnittest.TestMutualRecursionA!
     private(set) var hasOptionalInt32:Bool = false
     private(set) var optionalInt32:Int32 = Int32(0)
 
@@ -10956,7 +10956,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasA
          }
     }
-    var a:ProtobufUnittest.TestMutualRecursionA {
+    var a:ProtobufUnittest.TestMutualRecursionA! {
          get {
              return builderResult.a
          }
@@ -10965,7 +10965,7 @@ internal extension ProtobufUnittest {
              builderResult.a = value
          }
     }
-    func setA(value:ProtobufUnittest.TestMutualRecursionA)-> ProtobufUnittest.TestMutualRecursionBBuilder {
+    func setA(value:ProtobufUnittest.TestMutualRecursionA!)-> ProtobufUnittest.TestMutualRecursionBBuilder {
       self.a = value
       return self
     }
@@ -10980,7 +10980,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearA() -> ProtobufUnittest.TestMutualRecursionBBuilder {
       builderResult.hasA = false
-      builderResult.a = ProtobufUnittest.TestMutualRecursionA()
+      builderResult.a = nil
       return self
     }
     var hasOptionalInt32:Bool {
@@ -11457,9 +11457,9 @@ internal extension ProtobufUnittest {
     private(set) var a:Int32 = Int32(0)
 
     private(set) var hasFoo:Bool = false
-    private(set) var foo:ProtobufUnittest.TestDupFieldNumber.Foo = ProtobufUnittest.TestDupFieldNumber.Foo()
+    private(set) var foo:ProtobufUnittest.TestDupFieldNumber.Foo!
     private(set) var hasBar:Bool = false
-    private(set) var bar:ProtobufUnittest.TestDupFieldNumber.Bar = ProtobufUnittest.TestDupFieldNumber.Bar()
+    private(set) var bar:ProtobufUnittest.TestDupFieldNumber.Bar!
     required internal init() {
          super.init()
     }
@@ -11618,7 +11618,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasFoo
          }
     }
-    var foo:ProtobufUnittest.TestDupFieldNumber.Foo {
+    var foo:ProtobufUnittest.TestDupFieldNumber.Foo! {
          get {
              return builderResult.foo
          }
@@ -11627,7 +11627,7 @@ internal extension ProtobufUnittest {
              builderResult.foo = value
          }
     }
-    func setFoo(value:ProtobufUnittest.TestDupFieldNumber.Foo)-> ProtobufUnittest.TestDupFieldNumberBuilder {
+    func setFoo(value:ProtobufUnittest.TestDupFieldNumber.Foo!)-> ProtobufUnittest.TestDupFieldNumberBuilder {
       self.foo = value
       return self
     }
@@ -11642,7 +11642,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearFoo() -> ProtobufUnittest.TestDupFieldNumberBuilder {
       builderResult.hasFoo = false
-      builderResult.foo = ProtobufUnittest.TestDupFieldNumber.Foo()
+      builderResult.foo = nil
       return self
     }
     var hasBar:Bool {
@@ -11650,7 +11650,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasBar
          }
     }
-    var bar:ProtobufUnittest.TestDupFieldNumber.Bar {
+    var bar:ProtobufUnittest.TestDupFieldNumber.Bar! {
          get {
              return builderResult.bar
          }
@@ -11659,7 +11659,7 @@ internal extension ProtobufUnittest {
              builderResult.bar = value
          }
     }
-    func setBar(value:ProtobufUnittest.TestDupFieldNumber.Bar)-> ProtobufUnittest.TestDupFieldNumberBuilder {
+    func setBar(value:ProtobufUnittest.TestDupFieldNumber.Bar!)-> ProtobufUnittest.TestDupFieldNumberBuilder {
       self.bar = value
       return self
     }
@@ -11674,7 +11674,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearBar() -> ProtobufUnittest.TestDupFieldNumberBuilder {
       builderResult.hasBar = false
-      builderResult.bar = ProtobufUnittest.TestDupFieldNumber.Bar()
+      builderResult.bar = nil
       return self
     }
     override internal var internalGetResult:GeneratedMessage {
@@ -11756,7 +11756,7 @@ internal extension ProtobufUnittest {
 
   final internal class TestEagerMessage : GeneratedMessage, GeneratedMessageProtocol {
     private(set) var hasSubMessage:Bool = false
-    private(set) var subMessage:ProtobufUnittest.TestAllTypes = ProtobufUnittest.TestAllTypes()
+    private(set) var subMessage:ProtobufUnittest.TestAllTypes!
     required internal init() {
          super.init()
     }
@@ -11866,7 +11866,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasSubMessage
          }
     }
-    var subMessage:ProtobufUnittest.TestAllTypes {
+    var subMessage:ProtobufUnittest.TestAllTypes! {
          get {
              return builderResult.subMessage
          }
@@ -11875,7 +11875,7 @@ internal extension ProtobufUnittest {
              builderResult.subMessage = value
          }
     }
-    func setSubMessage(value:ProtobufUnittest.TestAllTypes)-> ProtobufUnittest.TestEagerMessageBuilder {
+    func setSubMessage(value:ProtobufUnittest.TestAllTypes!)-> ProtobufUnittest.TestEagerMessageBuilder {
       self.subMessage = value
       return self
     }
@@ -11890,7 +11890,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearSubMessage() -> ProtobufUnittest.TestEagerMessageBuilder {
       builderResult.hasSubMessage = false
-      builderResult.subMessage = ProtobufUnittest.TestAllTypes()
+      builderResult.subMessage = nil
       return self
     }
     override internal var internalGetResult:GeneratedMessage {
@@ -11955,7 +11955,7 @@ internal extension ProtobufUnittest {
 
   final internal class TestLazyMessage : GeneratedMessage, GeneratedMessageProtocol {
     private(set) var hasSubMessage:Bool = false
-    private(set) var subMessage:ProtobufUnittest.TestAllTypes = ProtobufUnittest.TestAllTypes()
+    private(set) var subMessage:ProtobufUnittest.TestAllTypes!
     required internal init() {
          super.init()
     }
@@ -12065,7 +12065,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasSubMessage
          }
     }
-    var subMessage:ProtobufUnittest.TestAllTypes {
+    var subMessage:ProtobufUnittest.TestAllTypes! {
          get {
              return builderResult.subMessage
          }
@@ -12074,7 +12074,7 @@ internal extension ProtobufUnittest {
              builderResult.subMessage = value
          }
     }
-    func setSubMessage(value:ProtobufUnittest.TestAllTypes)-> ProtobufUnittest.TestLazyMessageBuilder {
+    func setSubMessage(value:ProtobufUnittest.TestAllTypes!)-> ProtobufUnittest.TestLazyMessageBuilder {
       self.subMessage = value
       return self
     }
@@ -12089,7 +12089,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearSubMessage() -> ProtobufUnittest.TestLazyMessageBuilder {
       builderResult.hasSubMessage = false
-      builderResult.subMessage = ProtobufUnittest.TestAllTypes()
+      builderResult.subMessage = nil
       return self
     }
     override internal var internalGetResult:GeneratedMessage {
@@ -12383,7 +12383,7 @@ internal extension ProtobufUnittest {
     //Nested type declaration end
 
     private(set) var hasOptionalNestedMessage:Bool = false
-    private(set) var optionalNestedMessage:ProtobufUnittest.TestNestedMessageHasBits.NestedMessage = ProtobufUnittest.TestNestedMessageHasBits.NestedMessage()
+    private(set) var optionalNestedMessage:ProtobufUnittest.TestNestedMessageHasBits.NestedMessage!
     required internal init() {
          super.init()
     }
@@ -12493,7 +12493,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOptionalNestedMessage
          }
     }
-    var optionalNestedMessage:ProtobufUnittest.TestNestedMessageHasBits.NestedMessage {
+    var optionalNestedMessage:ProtobufUnittest.TestNestedMessageHasBits.NestedMessage! {
          get {
              return builderResult.optionalNestedMessage
          }
@@ -12502,7 +12502,7 @@ internal extension ProtobufUnittest {
              builderResult.optionalNestedMessage = value
          }
     }
-    func setOptionalNestedMessage(value:ProtobufUnittest.TestNestedMessageHasBits.NestedMessage)-> ProtobufUnittest.TestNestedMessageHasBitsBuilder {
+    func setOptionalNestedMessage(value:ProtobufUnittest.TestNestedMessageHasBits.NestedMessage!)-> ProtobufUnittest.TestNestedMessageHasBitsBuilder {
       self.optionalNestedMessage = value
       return self
     }
@@ -12517,7 +12517,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOptionalNestedMessage() -> ProtobufUnittest.TestNestedMessageHasBitsBuilder {
       builderResult.hasOptionalNestedMessage = false
-      builderResult.optionalNestedMessage = ProtobufUnittest.TestNestedMessageHasBits.NestedMessage()
+      builderResult.optionalNestedMessage = nil
       return self
     }
     override internal var internalGetResult:GeneratedMessage {
@@ -12590,7 +12590,7 @@ internal extension ProtobufUnittest {
     private(set) var enumField:ProtobufUnittest.ForeignEnum = ProtobufUnittest.ForeignEnum.ForeignFoo
     private(set) var hasEnumField:Bool = false
     private(set) var hasMessageField:Bool = false
-    private(set) var messageField:ProtobufUnittest.ForeignMessage = ProtobufUnittest.ForeignMessage()
+    private(set) var messageField:ProtobufUnittest.ForeignMessage!
     private(set) var hasStringPieceField:Bool = false
     private(set) var stringPieceField:String = ""
 
@@ -12951,7 +12951,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasMessageField
          }
     }
-    var messageField:ProtobufUnittest.ForeignMessage {
+    var messageField:ProtobufUnittest.ForeignMessage! {
          get {
              return builderResult.messageField
          }
@@ -12960,7 +12960,7 @@ internal extension ProtobufUnittest {
              builderResult.messageField = value
          }
     }
-    func setMessageField(value:ProtobufUnittest.ForeignMessage)-> ProtobufUnittest.TestCamelCaseFieldNamesBuilder {
+    func setMessageField(value:ProtobufUnittest.ForeignMessage!)-> ProtobufUnittest.TestCamelCaseFieldNamesBuilder {
       self.messageField = value
       return self
     }
@@ -12975,7 +12975,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearMessageField() -> ProtobufUnittest.TestCamelCaseFieldNamesBuilder {
       builderResult.hasMessageField = false
-      builderResult.messageField = ProtobufUnittest.ForeignMessage()
+      builderResult.messageField = nil
       return self
     }
     var hasStringPieceField:Bool {
@@ -17268,7 +17268,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasFooMessage
          }
     }
-    var fooMessage:ProtobufUnittest.TestAllTypes {
+    var fooMessage:ProtobufUnittest.TestAllTypes! {
          get {
              return builderResult.fooMessage
          }
@@ -17277,7 +17277,7 @@ internal extension ProtobufUnittest {
              builderResult.fooMessage = value
          }
     }
-    func setFooMessage(value:ProtobufUnittest.TestAllTypes)-> ProtobufUnittest.TestOneofBuilder {
+    func setFooMessage(value:ProtobufUnittest.TestAllTypes!)-> ProtobufUnittest.TestOneofBuilder {
       self.fooMessage = value
       return self
     }
@@ -17292,7 +17292,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearFooMessage() -> ProtobufUnittest.TestOneofBuilder {
       builderResult.hasFooMessage = false
-      builderResult.fooMessage = ProtobufUnittest.TestAllTypes()
+      builderResult.fooMessage = nil
       return self
     }
     var hasFooGroup:Bool {
@@ -17300,7 +17300,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasFooGroup
          }
     }
-    var fooGroup:ProtobufUnittest.TestOneof.FooGroup {
+    var fooGroup:ProtobufUnittest.TestOneof.FooGroup! {
          get {
              return builderResult.fooGroup
          }
@@ -17309,7 +17309,7 @@ internal extension ProtobufUnittest {
              builderResult.fooGroup = value
          }
     }
-    func setFooGroup(value:ProtobufUnittest.TestOneof.FooGroup)-> ProtobufUnittest.TestOneofBuilder {
+    func setFooGroup(value:ProtobufUnittest.TestOneof.FooGroup!)-> ProtobufUnittest.TestOneofBuilder {
       self.fooGroup = value
       return self
     }
@@ -17324,7 +17324,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearFooGroup() -> ProtobufUnittest.TestOneofBuilder {
       builderResult.hasFooGroup = false
-      builderResult.fooGroup = ProtobufUnittest.TestOneof.FooGroup()
+      builderResult.fooGroup = nil
       return self
     }
     override internal var internalGetResult:GeneratedMessage {
@@ -17652,9 +17652,9 @@ internal extension ProtobufUnittest {
     private(set) var fooString:String = ""
 
     private(set) var hasFooMessage:Bool = false
-    private(set) var fooMessage:ProtobufUnittest.TestAllTypes = ProtobufUnittest.TestAllTypes()
+    private(set) var fooMessage:ProtobufUnittest.TestAllTypes!
     private(set) var hasFooGroup:Bool = false
-    private(set) var fooGroup:ProtobufUnittest.TestOneofBackwardsCompatible.FooGroup = ProtobufUnittest.TestOneofBackwardsCompatible.FooGroup()
+    private(set) var fooGroup:ProtobufUnittest.TestOneofBackwardsCompatible.FooGroup!
     required internal init() {
          super.init()
     }
@@ -17848,7 +17848,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasFooMessage
          }
     }
-    var fooMessage:ProtobufUnittest.TestAllTypes {
+    var fooMessage:ProtobufUnittest.TestAllTypes! {
          get {
              return builderResult.fooMessage
          }
@@ -17857,7 +17857,7 @@ internal extension ProtobufUnittest {
              builderResult.fooMessage = value
          }
     }
-    func setFooMessage(value:ProtobufUnittest.TestAllTypes)-> ProtobufUnittest.TestOneofBackwardsCompatibleBuilder {
+    func setFooMessage(value:ProtobufUnittest.TestAllTypes!)-> ProtobufUnittest.TestOneofBackwardsCompatibleBuilder {
       self.fooMessage = value
       return self
     }
@@ -17872,7 +17872,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearFooMessage() -> ProtobufUnittest.TestOneofBackwardsCompatibleBuilder {
       builderResult.hasFooMessage = false
-      builderResult.fooMessage = ProtobufUnittest.TestAllTypes()
+      builderResult.fooMessage = nil
       return self
     }
     var hasFooGroup:Bool {
@@ -17880,7 +17880,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasFooGroup
          }
     }
-    var fooGroup:ProtobufUnittest.TestOneofBackwardsCompatible.FooGroup {
+    var fooGroup:ProtobufUnittest.TestOneofBackwardsCompatible.FooGroup! {
          get {
              return builderResult.fooGroup
          }
@@ -17889,7 +17889,7 @@ internal extension ProtobufUnittest {
              builderResult.fooGroup = value
          }
     }
-    func setFooGroup(value:ProtobufUnittest.TestOneofBackwardsCompatible.FooGroup)-> ProtobufUnittest.TestOneofBackwardsCompatibleBuilder {
+    func setFooGroup(value:ProtobufUnittest.TestOneofBackwardsCompatible.FooGroup!)-> ProtobufUnittest.TestOneofBackwardsCompatibleBuilder {
       self.fooGroup = value
       return self
     }
@@ -17904,7 +17904,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearFooGroup() -> ProtobufUnittest.TestOneofBackwardsCompatibleBuilder {
       builderResult.hasFooGroup = false
-      builderResult.fooGroup = ProtobufUnittest.TestOneofBackwardsCompatible.FooGroup()
+      builderResult.fooGroup = nil
       return self
     }
     override internal var internalGetResult:GeneratedMessage {
@@ -19377,7 +19377,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasFooMessage
          }
     }
-    var fooMessage:ProtobufUnittest.TestOneof2.NestedMessage {
+    var fooMessage:ProtobufUnittest.TestOneof2.NestedMessage! {
          get {
              return builderResult.fooMessage
          }
@@ -19386,7 +19386,7 @@ internal extension ProtobufUnittest {
              builderResult.fooMessage = value
          }
     }
-    func setFooMessage(value:ProtobufUnittest.TestOneof2.NestedMessage)-> ProtobufUnittest.TestOneof2Builder {
+    func setFooMessage(value:ProtobufUnittest.TestOneof2.NestedMessage!)-> ProtobufUnittest.TestOneof2Builder {
       self.fooMessage = value
       return self
     }
@@ -19401,7 +19401,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearFooMessage() -> ProtobufUnittest.TestOneof2Builder {
       builderResult.hasFooMessage = false
-      builderResult.fooMessage = ProtobufUnittest.TestOneof2.NestedMessage()
+      builderResult.fooMessage = nil
       return self
     }
     var hasFooGroup:Bool {
@@ -19409,7 +19409,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasFooGroup
          }
     }
-    var fooGroup:ProtobufUnittest.TestOneof2.FooGroup {
+    var fooGroup:ProtobufUnittest.TestOneof2.FooGroup! {
          get {
              return builderResult.fooGroup
          }
@@ -19418,7 +19418,7 @@ internal extension ProtobufUnittest {
              builderResult.fooGroup = value
          }
     }
-    func setFooGroup(value:ProtobufUnittest.TestOneof2.FooGroup)-> ProtobufUnittest.TestOneof2Builder {
+    func setFooGroup(value:ProtobufUnittest.TestOneof2.FooGroup!)-> ProtobufUnittest.TestOneof2Builder {
       self.fooGroup = value
       return self
     }
@@ -19433,7 +19433,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearFooGroup() -> ProtobufUnittest.TestOneof2Builder {
       builderResult.hasFooGroup = false
-      builderResult.fooGroup = ProtobufUnittest.TestOneof2.FooGroup()
+      builderResult.fooGroup = nil
       return self
     }
     var hasFooLazyMessage:Bool {
@@ -19441,7 +19441,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasFooLazyMessage
          }
     }
-    var fooLazyMessage:ProtobufUnittest.TestOneof2.NestedMessage {
+    var fooLazyMessage:ProtobufUnittest.TestOneof2.NestedMessage! {
          get {
              return builderResult.fooLazyMessage
          }
@@ -19450,7 +19450,7 @@ internal extension ProtobufUnittest {
              builderResult.fooLazyMessage = value
          }
     }
-    func setFooLazyMessage(value:ProtobufUnittest.TestOneof2.NestedMessage)-> ProtobufUnittest.TestOneof2Builder {
+    func setFooLazyMessage(value:ProtobufUnittest.TestOneof2.NestedMessage!)-> ProtobufUnittest.TestOneof2Builder {
       self.fooLazyMessage = value
       return self
     }
@@ -19465,7 +19465,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearFooLazyMessage() -> ProtobufUnittest.TestOneof2Builder {
       builderResult.hasFooLazyMessage = false
-      builderResult.fooLazyMessage = ProtobufUnittest.TestOneof2.NestedMessage()
+      builderResult.fooLazyMessage = nil
       return self
     }
     var hasBarInt:Bool {
@@ -20309,7 +20309,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasFooMessage
          }
     }
-    var fooMessage:ProtobufUnittest.TestRequiredOneof.NestedMessage {
+    var fooMessage:ProtobufUnittest.TestRequiredOneof.NestedMessage! {
          get {
              return builderResult.fooMessage
          }
@@ -20318,7 +20318,7 @@ internal extension ProtobufUnittest {
              builderResult.fooMessage = value
          }
     }
-    func setFooMessage(value:ProtobufUnittest.TestRequiredOneof.NestedMessage)-> ProtobufUnittest.TestRequiredOneofBuilder {
+    func setFooMessage(value:ProtobufUnittest.TestRequiredOneof.NestedMessage!)-> ProtobufUnittest.TestRequiredOneofBuilder {
       self.fooMessage = value
       return self
     }
@@ -20333,7 +20333,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearFooMessage() -> ProtobufUnittest.TestRequiredOneofBuilder {
       builderResult.hasFooMessage = false
-      builderResult.fooMessage = ProtobufUnittest.TestRequiredOneof.NestedMessage()
+      builderResult.fooMessage = nil
       return self
     }
     override internal var internalGetResult:GeneratedMessage {
@@ -22521,9 +22521,9 @@ internal extension ProtobufUnittest {
     private(set) var dynamicEnumExtension:ProtobufUnittest.TestDynamicExtensions.DynamicEnumType = ProtobufUnittest.TestDynamicExtensions.DynamicEnumType.DynamicFoo
     private(set) var hasDynamicEnumExtension:Bool = false
     private(set) var hasMessageExtension:Bool = false
-    private(set) var messageExtension:ProtobufUnittest.ForeignMessage = ProtobufUnittest.ForeignMessage()
+    private(set) var messageExtension:ProtobufUnittest.ForeignMessage!
     private(set) var hasDynamicMessageExtension:Bool = false
-    private(set) var dynamicMessageExtension:ProtobufUnittest.TestDynamicExtensions.DynamicMessageType = ProtobufUnittest.TestDynamicExtensions.DynamicMessageType()
+    private(set) var dynamicMessageExtension:ProtobufUnittest.TestDynamicExtensions.DynamicMessageType!
     private(set) var repeatedExtension:Array<String> = Array<String>()
     private(set) var packedExtension:Array<Int32> = Array<Int32>()
     private var packedExtensionMemoizedSerializedSize:Int32 = -1
@@ -22799,7 +22799,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasMessageExtension
          }
     }
-    var messageExtension:ProtobufUnittest.ForeignMessage {
+    var messageExtension:ProtobufUnittest.ForeignMessage! {
          get {
              return builderResult.messageExtension
          }
@@ -22808,7 +22808,7 @@ internal extension ProtobufUnittest {
              builderResult.messageExtension = value
          }
     }
-    func setMessageExtension(value:ProtobufUnittest.ForeignMessage)-> ProtobufUnittest.TestDynamicExtensionsBuilder {
+    func setMessageExtension(value:ProtobufUnittest.ForeignMessage!)-> ProtobufUnittest.TestDynamicExtensionsBuilder {
       self.messageExtension = value
       return self
     }
@@ -22823,7 +22823,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearMessageExtension() -> ProtobufUnittest.TestDynamicExtensionsBuilder {
       builderResult.hasMessageExtension = false
-      builderResult.messageExtension = ProtobufUnittest.ForeignMessage()
+      builderResult.messageExtension = nil
       return self
     }
     var hasDynamicMessageExtension:Bool {
@@ -22831,7 +22831,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasDynamicMessageExtension
          }
     }
-    var dynamicMessageExtension:ProtobufUnittest.TestDynamicExtensions.DynamicMessageType {
+    var dynamicMessageExtension:ProtobufUnittest.TestDynamicExtensions.DynamicMessageType! {
          get {
              return builderResult.dynamicMessageExtension
          }
@@ -22840,7 +22840,7 @@ internal extension ProtobufUnittest {
              builderResult.dynamicMessageExtension = value
          }
     }
-    func setDynamicMessageExtension(value:ProtobufUnittest.TestDynamicExtensions.DynamicMessageType)-> ProtobufUnittest.TestDynamicExtensionsBuilder {
+    func setDynamicMessageExtension(value:ProtobufUnittest.TestDynamicExtensions.DynamicMessageType!)-> ProtobufUnittest.TestDynamicExtensionsBuilder {
       self.dynamicMessageExtension = value
       return self
     }
@@ -22855,7 +22855,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearDynamicMessageExtension() -> ProtobufUnittest.TestDynamicExtensionsBuilder {
       builderResult.hasDynamicMessageExtension = false
-      builderResult.dynamicMessageExtension = ProtobufUnittest.TestDynamicExtensions.DynamicMessageType()
+      builderResult.dynamicMessageExtension = nil
       return self
     }
     var repeatedExtension:Array<String> {
@@ -23404,7 +23404,7 @@ internal extension ProtobufUnittest {
 
           final internal class Group1 : GeneratedMessage, GeneratedMessageProtocol {
             private(set) var hasField1:Bool = false
-            private(set) var field1:ProtobufUnittest.TestAllTypes = ProtobufUnittest.TestAllTypes()
+            private(set) var field1:ProtobufUnittest.TestAllTypes!
             required internal init() {
                  super.init()
             }
@@ -23514,7 +23514,7 @@ internal extension ProtobufUnittest {
                      return builderResult.hasField1
                  }
             }
-            var field1:ProtobufUnittest.TestAllTypes {
+            var field1:ProtobufUnittest.TestAllTypes! {
                  get {
                      return builderResult.field1
                  }
@@ -23523,7 +23523,7 @@ internal extension ProtobufUnittest {
                      builderResult.field1 = value
                  }
             }
-            func setField1(value:ProtobufUnittest.TestAllTypes)-> ProtobufUnittest.TestParsingMerge.RepeatedFieldsGenerator.Group1Builder {
+            func setField1(value:ProtobufUnittest.TestAllTypes!)-> ProtobufUnittest.TestParsingMerge.RepeatedFieldsGenerator.Group1Builder {
               self.field1 = value
               return self
             }
@@ -23538,7 +23538,7 @@ internal extension ProtobufUnittest {
             }
             internal func clearField1() -> ProtobufUnittest.TestParsingMerge.RepeatedFieldsGenerator.Group1Builder {
               builderResult.hasField1 = false
-              builderResult.field1 = ProtobufUnittest.TestAllTypes()
+              builderResult.field1 = nil
               return self
             }
             override internal var internalGetResult:GeneratedMessage {
@@ -23609,7 +23609,7 @@ internal extension ProtobufUnittest {
 
           final internal class Group2 : GeneratedMessage, GeneratedMessageProtocol {
             private(set) var hasField1:Bool = false
-            private(set) var field1:ProtobufUnittest.TestAllTypes = ProtobufUnittest.TestAllTypes()
+            private(set) var field1:ProtobufUnittest.TestAllTypes!
             required internal init() {
                  super.init()
             }
@@ -23719,7 +23719,7 @@ internal extension ProtobufUnittest {
                      return builderResult.hasField1
                  }
             }
-            var field1:ProtobufUnittest.TestAllTypes {
+            var field1:ProtobufUnittest.TestAllTypes! {
                  get {
                      return builderResult.field1
                  }
@@ -23728,7 +23728,7 @@ internal extension ProtobufUnittest {
                      builderResult.field1 = value
                  }
             }
-            func setField1(value:ProtobufUnittest.TestAllTypes)-> ProtobufUnittest.TestParsingMerge.RepeatedFieldsGenerator.Group2Builder {
+            func setField1(value:ProtobufUnittest.TestAllTypes!)-> ProtobufUnittest.TestParsingMerge.RepeatedFieldsGenerator.Group2Builder {
               self.field1 = value
               return self
             }
@@ -23743,7 +23743,7 @@ internal extension ProtobufUnittest {
             }
             internal func clearField1() -> ProtobufUnittest.TestParsingMerge.RepeatedFieldsGenerator.Group2Builder {
               builderResult.hasField1 = false
-              builderResult.field1 = ProtobufUnittest.TestAllTypes()
+              builderResult.field1 = nil
               return self
             }
             override internal var internalGetResult:GeneratedMessage {
@@ -24242,7 +24242,7 @@ internal extension ProtobufUnittest {
 
       final internal class OptionalGroup : GeneratedMessage, GeneratedMessageProtocol {
         private(set) var hasOptionalGroupAllTypes:Bool = false
-        private(set) var optionalGroupAllTypes:ProtobufUnittest.TestAllTypes = ProtobufUnittest.TestAllTypes()
+        private(set) var optionalGroupAllTypes:ProtobufUnittest.TestAllTypes!
         required internal init() {
              super.init()
         }
@@ -24352,7 +24352,7 @@ internal extension ProtobufUnittest {
                  return builderResult.hasOptionalGroupAllTypes
              }
         }
-        var optionalGroupAllTypes:ProtobufUnittest.TestAllTypes {
+        var optionalGroupAllTypes:ProtobufUnittest.TestAllTypes! {
              get {
                  return builderResult.optionalGroupAllTypes
              }
@@ -24361,7 +24361,7 @@ internal extension ProtobufUnittest {
                  builderResult.optionalGroupAllTypes = value
              }
         }
-        func setOptionalGroupAllTypes(value:ProtobufUnittest.TestAllTypes)-> ProtobufUnittest.TestParsingMerge.OptionalGroupBuilder {
+        func setOptionalGroupAllTypes(value:ProtobufUnittest.TestAllTypes!)-> ProtobufUnittest.TestParsingMerge.OptionalGroupBuilder {
           self.optionalGroupAllTypes = value
           return self
         }
@@ -24376,7 +24376,7 @@ internal extension ProtobufUnittest {
         }
         internal func clearOptionalGroupAllTypes() -> ProtobufUnittest.TestParsingMerge.OptionalGroupBuilder {
           builderResult.hasOptionalGroupAllTypes = false
-          builderResult.optionalGroupAllTypes = ProtobufUnittest.TestAllTypes()
+          builderResult.optionalGroupAllTypes = nil
           return self
         }
         override internal var internalGetResult:GeneratedMessage {
@@ -24447,7 +24447,7 @@ internal extension ProtobufUnittest {
 
       final internal class RepeatedGroup : GeneratedMessage, GeneratedMessageProtocol {
         private(set) var hasRepeatedGroupAllTypes:Bool = false
-        private(set) var repeatedGroupAllTypes:ProtobufUnittest.TestAllTypes = ProtobufUnittest.TestAllTypes()
+        private(set) var repeatedGroupAllTypes:ProtobufUnittest.TestAllTypes!
         required internal init() {
              super.init()
         }
@@ -24557,7 +24557,7 @@ internal extension ProtobufUnittest {
                  return builderResult.hasRepeatedGroupAllTypes
              }
         }
-        var repeatedGroupAllTypes:ProtobufUnittest.TestAllTypes {
+        var repeatedGroupAllTypes:ProtobufUnittest.TestAllTypes! {
              get {
                  return builderResult.repeatedGroupAllTypes
              }
@@ -24566,7 +24566,7 @@ internal extension ProtobufUnittest {
                  builderResult.repeatedGroupAllTypes = value
              }
         }
-        func setRepeatedGroupAllTypes(value:ProtobufUnittest.TestAllTypes)-> ProtobufUnittest.TestParsingMerge.RepeatedGroupBuilder {
+        func setRepeatedGroupAllTypes(value:ProtobufUnittest.TestAllTypes!)-> ProtobufUnittest.TestParsingMerge.RepeatedGroupBuilder {
           self.repeatedGroupAllTypes = value
           return self
         }
@@ -24581,7 +24581,7 @@ internal extension ProtobufUnittest {
         }
         internal func clearRepeatedGroupAllTypes() -> ProtobufUnittest.TestParsingMerge.RepeatedGroupBuilder {
           builderResult.hasRepeatedGroupAllTypes = false
-          builderResult.repeatedGroupAllTypes = ProtobufUnittest.TestAllTypes()
+          builderResult.repeatedGroupAllTypes = nil
           return self
         }
         override internal var internalGetResult:GeneratedMessage {
@@ -24647,11 +24647,11 @@ internal extension ProtobufUnittest {
     //Nested type declaration end
 
     private(set) var hasRequiredAllTypes:Bool = false
-    private(set) var requiredAllTypes:ProtobufUnittest.TestAllTypes = ProtobufUnittest.TestAllTypes()
+    private(set) var requiredAllTypes:ProtobufUnittest.TestAllTypes!
     private(set) var hasOptionalAllTypes:Bool = false
-    private(set) var optionalAllTypes:ProtobufUnittest.TestAllTypes = ProtobufUnittest.TestAllTypes()
+    private(set) var optionalAllTypes:ProtobufUnittest.TestAllTypes!
     private(set) var hasOptionalGroup:Bool = false
-    private(set) var optionalGroup:ProtobufUnittest.TestParsingMerge.OptionalGroup = ProtobufUnittest.TestParsingMerge.OptionalGroup()
+    private(set) var optionalGroup:ProtobufUnittest.TestParsingMerge.OptionalGroup!
     internal class func optionalExt() -> ConcreateExtensionField {
          return TestParsingMergeoptionalExt
     }
@@ -24839,7 +24839,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasRequiredAllTypes
          }
     }
-    var requiredAllTypes:ProtobufUnittest.TestAllTypes {
+    var requiredAllTypes:ProtobufUnittest.TestAllTypes! {
          get {
              return builderResult.requiredAllTypes
          }
@@ -24848,7 +24848,7 @@ internal extension ProtobufUnittest {
              builderResult.requiredAllTypes = value
          }
     }
-    func setRequiredAllTypes(value:ProtobufUnittest.TestAllTypes)-> ProtobufUnittest.TestParsingMergeBuilder {
+    func setRequiredAllTypes(value:ProtobufUnittest.TestAllTypes!)-> ProtobufUnittest.TestParsingMergeBuilder {
       self.requiredAllTypes = value
       return self
     }
@@ -24863,7 +24863,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearRequiredAllTypes() -> ProtobufUnittest.TestParsingMergeBuilder {
       builderResult.hasRequiredAllTypes = false
-      builderResult.requiredAllTypes = ProtobufUnittest.TestAllTypes()
+      builderResult.requiredAllTypes = nil
       return self
     }
     var hasOptionalAllTypes:Bool {
@@ -24871,7 +24871,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOptionalAllTypes
          }
     }
-    var optionalAllTypes:ProtobufUnittest.TestAllTypes {
+    var optionalAllTypes:ProtobufUnittest.TestAllTypes! {
          get {
              return builderResult.optionalAllTypes
          }
@@ -24880,7 +24880,7 @@ internal extension ProtobufUnittest {
              builderResult.optionalAllTypes = value
          }
     }
-    func setOptionalAllTypes(value:ProtobufUnittest.TestAllTypes)-> ProtobufUnittest.TestParsingMergeBuilder {
+    func setOptionalAllTypes(value:ProtobufUnittest.TestAllTypes!)-> ProtobufUnittest.TestParsingMergeBuilder {
       self.optionalAllTypes = value
       return self
     }
@@ -24895,7 +24895,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOptionalAllTypes() -> ProtobufUnittest.TestParsingMergeBuilder {
       builderResult.hasOptionalAllTypes = false
-      builderResult.optionalAllTypes = ProtobufUnittest.TestAllTypes()
+      builderResult.optionalAllTypes = nil
       return self
     }
     var repeatedAllTypes:Array<ProtobufUnittest.TestAllTypes> {
@@ -24919,7 +24919,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOptionalGroup
          }
     }
-    var optionalGroup:ProtobufUnittest.TestParsingMerge.OptionalGroup {
+    var optionalGroup:ProtobufUnittest.TestParsingMerge.OptionalGroup! {
          get {
              return builderResult.optionalGroup
          }
@@ -24928,7 +24928,7 @@ internal extension ProtobufUnittest {
              builderResult.optionalGroup = value
          }
     }
-    func setOptionalGroup(value:ProtobufUnittest.TestParsingMerge.OptionalGroup)-> ProtobufUnittest.TestParsingMergeBuilder {
+    func setOptionalGroup(value:ProtobufUnittest.TestParsingMerge.OptionalGroup!)-> ProtobufUnittest.TestParsingMergeBuilder {
       self.optionalGroup = value
       return self
     }
@@ -24943,7 +24943,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOptionalGroup() -> ProtobufUnittest.TestParsingMergeBuilder {
       builderResult.hasOptionalGroup = false
-      builderResult.optionalGroup = ProtobufUnittest.TestParsingMerge.OptionalGroup()
+      builderResult.optionalGroup = nil
       return self
     }
     var repeatedGroup:Array<ProtobufUnittest.TestParsingMerge.RepeatedGroup> {
diff --git a/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_custom_options.pb.swift b/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_custom_options.pb.swift
index b0e5a9e..1cf9aa8 100644
--- a/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_custom_options.pb.swift
+++ b/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_custom_options.pb.swift
@@ -3009,12 +3009,12 @@ internal extension ProtobufUnittest {
     //Nested type declaration end
 
     private(set) var hasBar:Bool = false
-    private(set) var bar:ProtobufUnittest.ComplexOptionType1 = ProtobufUnittest.ComplexOptionType1()
+    private(set) var bar:ProtobufUnittest.ComplexOptionType1!
     private(set) var hasBaz:Bool = false
     private(set) var baz:Int32 = Int32(0)
 
     private(set) var hasFred:Bool = false
-    private(set) var fred:ProtobufUnittest.ComplexOptionType2.ComplexOptionType4 = ProtobufUnittest.ComplexOptionType2.ComplexOptionType4()
+    private(set) var fred:ProtobufUnittest.ComplexOptionType2.ComplexOptionType4!
     private(set) var barney:Array<ProtobufUnittest.ComplexOptionType2.ComplexOptionType4>  = Array<ProtobufUnittest.ComplexOptionType2.ComplexOptionType4>()
     required internal init() {
          super.init()
@@ -3179,7 +3179,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasBar
          }
     }
-    var bar:ProtobufUnittest.ComplexOptionType1 {
+    var bar:ProtobufUnittest.ComplexOptionType1! {
          get {
              return builderResult.bar
          }
@@ -3188,7 +3188,7 @@ internal extension ProtobufUnittest {
              builderResult.bar = value
          }
     }
-    func setBar(value:ProtobufUnittest.ComplexOptionType1)-> ProtobufUnittest.ComplexOptionType2Builder {
+    func setBar(value:ProtobufUnittest.ComplexOptionType1!)-> ProtobufUnittest.ComplexOptionType2Builder {
       self.bar = value
       return self
     }
@@ -3203,7 +3203,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearBar() -> ProtobufUnittest.ComplexOptionType2Builder {
       builderResult.hasBar = false
-      builderResult.bar = ProtobufUnittest.ComplexOptionType1()
+      builderResult.bar = nil
       return self
     }
     var hasBaz:Bool {
@@ -3234,7 +3234,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasFred
          }
     }
-    var fred:ProtobufUnittest.ComplexOptionType2.ComplexOptionType4 {
+    var fred:ProtobufUnittest.ComplexOptionType2.ComplexOptionType4! {
          get {
              return builderResult.fred
          }
@@ -3243,7 +3243,7 @@ internal extension ProtobufUnittest {
              builderResult.fred = value
          }
     }
-    func setFred(value:ProtobufUnittest.ComplexOptionType2.ComplexOptionType4)-> ProtobufUnittest.ComplexOptionType2Builder {
+    func setFred(value:ProtobufUnittest.ComplexOptionType2.ComplexOptionType4!)-> ProtobufUnittest.ComplexOptionType2Builder {
       self.fred = value
       return self
     }
@@ -3258,7 +3258,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearFred() -> ProtobufUnittest.ComplexOptionType2Builder {
       builderResult.hasFred = false
-      builderResult.fred = ProtobufUnittest.ComplexOptionType2.ComplexOptionType4()
+      builderResult.fred = nil
       return self
     }
     var barney:Array<ProtobufUnittest.ComplexOptionType2.ComplexOptionType4> {
@@ -3558,7 +3558,7 @@ internal extension ProtobufUnittest {
     private(set) var qux:Int32 = Int32(0)
 
     private(set) var hasComplexOptionType5:Bool = false
-    private(set) var complexOptionType5:ProtobufUnittest.ComplexOptionType3.ComplexOptionType5 = ProtobufUnittest.ComplexOptionType3.ComplexOptionType5()
+    private(set) var complexOptionType5:ProtobufUnittest.ComplexOptionType3.ComplexOptionType5!
     required internal init() {
          super.init()
     }
@@ -3703,7 +3703,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasComplexOptionType5
          }
     }
-    var complexOptionType5:ProtobufUnittest.ComplexOptionType3.ComplexOptionType5 {
+    var complexOptionType5:ProtobufUnittest.ComplexOptionType3.ComplexOptionType5! {
          get {
              return builderResult.complexOptionType5
          }
@@ -3712,7 +3712,7 @@ internal extension ProtobufUnittest {
              builderResult.complexOptionType5 = value
          }
     }
-    func setComplexOptionType5(value:ProtobufUnittest.ComplexOptionType3.ComplexOptionType5)-> ProtobufUnittest.ComplexOptionType3Builder {
+    func setComplexOptionType5(value:ProtobufUnittest.ComplexOptionType3.ComplexOptionType5!)-> ProtobufUnittest.ComplexOptionType3Builder {
       self.complexOptionType5 = value
       return self
     }
@@ -3727,7 +3727,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearComplexOptionType5() -> ProtobufUnittest.ComplexOptionType3Builder {
       builderResult.hasComplexOptionType5 = false
-      builderResult.complexOptionType5 = ProtobufUnittest.ComplexOptionType3.ComplexOptionType5()
+      builderResult.complexOptionType5 = nil
       return self
     }
     override internal var internalGetResult:GeneratedMessage {
@@ -4463,11 +4463,11 @@ internal extension ProtobufUnittest {
     private(set) var s:String = ""
 
     private(set) var hasSub:Bool = false
-    private(set) var sub:ProtobufUnittest.Aggregate = ProtobufUnittest.Aggregate()
+    private(set) var sub:ProtobufUnittest.Aggregate!
     private(set) var hasFile:Bool = false
-    private(set) var file:Google.Protobuf.FileOptions = Google.Protobuf.FileOptions()
+    private(set) var file:Google.Protobuf.FileOptions!
     private(set) var hasMset:Bool = false
-    private(set) var mset:ProtobufUnittest.AggregateMessageSet = ProtobufUnittest.AggregateMessageSet()
+    private(set) var mset:ProtobufUnittest.AggregateMessageSet!
     internal class func nested() -> ConcreateExtensionField {
          return Aggregatenested
     }
@@ -4693,7 +4693,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasSub
          }
     }
-    var sub:ProtobufUnittest.Aggregate {
+    var sub:ProtobufUnittest.Aggregate! {
          get {
              return builderResult.sub
          }
@@ -4702,7 +4702,7 @@ internal extension ProtobufUnittest {
              builderResult.sub = value
          }
     }
-    func setSub(value:ProtobufUnittest.Aggregate)-> ProtobufUnittest.AggregateBuilder {
+    func setSub(value:ProtobufUnittest.Aggregate!)-> ProtobufUnittest.AggregateBuilder {
       self.sub = value
       return self
     }
@@ -4717,7 +4717,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearSub() -> ProtobufUnittest.AggregateBuilder {
       builderResult.hasSub = false
-      builderResult.sub = ProtobufUnittest.Aggregate()
+      builderResult.sub = nil
       return self
     }
     var hasFile:Bool {
@@ -4725,7 +4725,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasFile
          }
     }
-    var file:Google.Protobuf.FileOptions {
+    var file:Google.Protobuf.FileOptions! {
          get {
              return builderResult.file
          }
@@ -4734,7 +4734,7 @@ internal extension ProtobufUnittest {
              builderResult.file = value
          }
     }
-    func setFile(value:Google.Protobuf.FileOptions)-> ProtobufUnittest.AggregateBuilder {
+    func setFile(value:Google.Protobuf.FileOptions!)-> ProtobufUnittest.AggregateBuilder {
       self.file = value
       return self
     }
@@ -4749,7 +4749,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearFile() -> ProtobufUnittest.AggregateBuilder {
       builderResult.hasFile = false
-      builderResult.file = Google.Protobuf.FileOptions()
+      builderResult.file = nil
       return self
     }
     var hasMset:Bool {
@@ -4757,7 +4757,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasMset
          }
     }
-    var mset:ProtobufUnittest.AggregateMessageSet {
+    var mset:ProtobufUnittest.AggregateMessageSet! {
          get {
              return builderResult.mset
          }
@@ -4766,7 +4766,7 @@ internal extension ProtobufUnittest {
              builderResult.mset = value
          }
     }
-    func setMset(value:ProtobufUnittest.AggregateMessageSet)-> ProtobufUnittest.AggregateBuilder {
+    func setMset(value:ProtobufUnittest.AggregateMessageSet!)-> ProtobufUnittest.AggregateBuilder {
       self.mset = value
       return self
     }
@@ -4781,7 +4781,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearMset() -> ProtobufUnittest.AggregateBuilder {
       builderResult.hasMset = false
-      builderResult.mset = ProtobufUnittest.AggregateMessageSet()
+      builderResult.mset = nil
       return self
     }
     override internal var internalGetResult:GeneratedMessage {
diff --git a/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_embed_optimize_for.pb.swift b/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_embed_optimize_for.pb.swift
index 3a8fdb5..b1a3f36 100644
--- a/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_embed_optimize_for.pb.swift
+++ b/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_embed_optimize_for.pb.swift
@@ -36,7 +36,7 @@ internal extension ProtobufUnittest {
 
   final internal class TestEmbedOptimizedForSize : GeneratedMessage, GeneratedMessageProtocol {
     private(set) var hasOptionalMessage:Bool = false
-    private(set) var optionalMessage:ProtobufUnittest.TestOptimizedForSize = ProtobufUnittest.TestOptimizedForSize()
+    private(set) var optionalMessage:ProtobufUnittest.TestOptimizedForSize!
     private(set) var repeatedMessage:Array<ProtobufUnittest.TestOptimizedForSize>  = Array<ProtobufUnittest.TestOptimizedForSize>()
     required internal init() {
          super.init()
@@ -178,7 +178,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOptionalMessage
          }
     }
-    var optionalMessage:ProtobufUnittest.TestOptimizedForSize {
+    var optionalMessage:ProtobufUnittest.TestOptimizedForSize! {
          get {
              return builderResult.optionalMessage
          }
@@ -187,7 +187,7 @@ internal extension ProtobufUnittest {
              builderResult.optionalMessage = value
          }
     }
-    func setOptionalMessage(value:ProtobufUnittest.TestOptimizedForSize)-> ProtobufUnittest.TestEmbedOptimizedForSizeBuilder {
+    func setOptionalMessage(value:ProtobufUnittest.TestOptimizedForSize!)-> ProtobufUnittest.TestEmbedOptimizedForSizeBuilder {
       self.optionalMessage = value
       return self
     }
@@ -202,7 +202,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOptionalMessage() -> ProtobufUnittest.TestEmbedOptimizedForSizeBuilder {
       builderResult.hasOptionalMessage = false
-      builderResult.optionalMessage = ProtobufUnittest.TestOptimizedForSize()
+      builderResult.optionalMessage = nil
       return self
     }
     var repeatedMessage:Array<ProtobufUnittest.TestOptimizedForSize> {
diff --git a/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_lite.pb.swift b/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_lite.pb.swift
index 04e2fc8..c444be3 100644
--- a/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_lite.pb.swift
+++ b/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_lite.pb.swift
@@ -1987,13 +1987,13 @@ internal extension ProtobufUnittest {
     private(set) var optionalBytes:NSData = NSData()
 
     private(set) var hasOptionalGroup:Bool = false
-    private(set) var optionalGroup:ProtobufUnittest.TestAllTypesLite.OptionalGroup = ProtobufUnittest.TestAllTypesLite.OptionalGroup()
+    private(set) var optionalGroup:ProtobufUnittest.TestAllTypesLite.OptionalGroup!
     private(set) var hasOptionalNestedMessage:Bool = false
-    private(set) var optionalNestedMessage:ProtobufUnittest.TestAllTypesLite.NestedMessage = ProtobufUnittest.TestAllTypesLite.NestedMessage()
+    private(set) var optionalNestedMessage:ProtobufUnittest.TestAllTypesLite.NestedMessage!
     private(set) var hasOptionalForeignMessage:Bool = false
-    private(set) var optionalForeignMessage:ProtobufUnittest.ForeignMessageLite = ProtobufUnittest.ForeignMessageLite()
+    private(set) var optionalForeignMessage:ProtobufUnittest.ForeignMessageLite!
     private(set) var hasOptionalImportMessage:Bool = false
-    private(set) var optionalImportMessage:ProtobufUnittestImport.ImportMessageLite = ProtobufUnittestImport.ImportMessageLite()
+    private(set) var optionalImportMessage:ProtobufUnittestImport.ImportMessageLite!
     private(set) var optionalNestedEnum:ProtobufUnittest.TestAllTypesLite.NestedEnum = ProtobufUnittest.TestAllTypesLite.NestedEnum.Foo
     private(set) var hasOptionalNestedEnum:Bool = false
     private(set) var optionalForeignEnum:ProtobufUnittest.ForeignEnumLite = ProtobufUnittest.ForeignEnumLite.ForeignLiteFoo
@@ -2007,9 +2007,9 @@ internal extension ProtobufUnittest {
     private(set) var optionalCord:String = ""
 
     private(set) var hasOptionalPublicImportMessage:Bool = false
-    private(set) var optionalPublicImportMessage:ProtobufUnittestImport.PublicImportMessageLite = ProtobufUnittestImport.PublicImportMessageLite()
+    private(set) var optionalPublicImportMessage:ProtobufUnittestImport.PublicImportMessageLite!
     private(set) var hasOptionalLazyMessage:Bool = false
-    private(set) var optionalLazyMessage:ProtobufUnittest.TestAllTypesLite.NestedMessage = ProtobufUnittest.TestAllTypesLite.NestedMessage()
+    private(set) var optionalLazyMessage:ProtobufUnittest.TestAllTypesLite.NestedMessage!
     private(set) var hasDefaultInt32:Bool = false
     private(set) var defaultInt32:Int32 = Int32(41)
 
@@ -3661,7 +3661,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOptionalGroup
          }
     }
-    var optionalGroup:ProtobufUnittest.TestAllTypesLite.OptionalGroup {
+    var optionalGroup:ProtobufUnittest.TestAllTypesLite.OptionalGroup! {
          get {
              return builderResult.optionalGroup
          }
@@ -3670,7 +3670,7 @@ internal extension ProtobufUnittest {
              builderResult.optionalGroup = value
          }
     }
-    func setOptionalGroup(value:ProtobufUnittest.TestAllTypesLite.OptionalGroup)-> ProtobufUnittest.TestAllTypesLiteBuilder {
+    func setOptionalGroup(value:ProtobufUnittest.TestAllTypesLite.OptionalGroup!)-> ProtobufUnittest.TestAllTypesLiteBuilder {
       self.optionalGroup = value
       return self
     }
@@ -3685,7 +3685,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOptionalGroup() -> ProtobufUnittest.TestAllTypesLiteBuilder {
       builderResult.hasOptionalGroup = false
-      builderResult.optionalGroup = ProtobufUnittest.TestAllTypesLite.OptionalGroup()
+      builderResult.optionalGroup = nil
       return self
     }
     var hasOptionalNestedMessage:Bool {
@@ -3693,7 +3693,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOptionalNestedMessage
          }
     }
-    var optionalNestedMessage:ProtobufUnittest.TestAllTypesLite.NestedMessage {
+    var optionalNestedMessage:ProtobufUnittest.TestAllTypesLite.NestedMessage! {
          get {
              return builderResult.optionalNestedMessage
          }
@@ -3702,7 +3702,7 @@ internal extension ProtobufUnittest {
              builderResult.optionalNestedMessage = value
          }
     }
-    func setOptionalNestedMessage(value:ProtobufUnittest.TestAllTypesLite.NestedMessage)-> ProtobufUnittest.TestAllTypesLiteBuilder {
+    func setOptionalNestedMessage(value:ProtobufUnittest.TestAllTypesLite.NestedMessage!)-> ProtobufUnittest.TestAllTypesLiteBuilder {
       self.optionalNestedMessage = value
       return self
     }
@@ -3717,7 +3717,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOptionalNestedMessage() -> ProtobufUnittest.TestAllTypesLiteBuilder {
       builderResult.hasOptionalNestedMessage = false
-      builderResult.optionalNestedMessage = ProtobufUnittest.TestAllTypesLite.NestedMessage()
+      builderResult.optionalNestedMessage = nil
       return self
     }
     var hasOptionalForeignMessage:Bool {
@@ -3725,7 +3725,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOptionalForeignMessage
          }
     }
-    var optionalForeignMessage:ProtobufUnittest.ForeignMessageLite {
+    var optionalForeignMessage:ProtobufUnittest.ForeignMessageLite! {
          get {
              return builderResult.optionalForeignMessage
          }
@@ -3734,7 +3734,7 @@ internal extension ProtobufUnittest {
              builderResult.optionalForeignMessage = value
          }
     }
-    func setOptionalForeignMessage(value:ProtobufUnittest.ForeignMessageLite)-> ProtobufUnittest.TestAllTypesLiteBuilder {
+    func setOptionalForeignMessage(value:ProtobufUnittest.ForeignMessageLite!)-> ProtobufUnittest.TestAllTypesLiteBuilder {
       self.optionalForeignMessage = value
       return self
     }
@@ -3749,7 +3749,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOptionalForeignMessage() -> ProtobufUnittest.TestAllTypesLiteBuilder {
       builderResult.hasOptionalForeignMessage = false
-      builderResult.optionalForeignMessage = ProtobufUnittest.ForeignMessageLite()
+      builderResult.optionalForeignMessage = nil
       return self
     }
     var hasOptionalImportMessage:Bool {
@@ -3757,7 +3757,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOptionalImportMessage
          }
     }
-    var optionalImportMessage:ProtobufUnittestImport.ImportMessageLite {
+    var optionalImportMessage:ProtobufUnittestImport.ImportMessageLite! {
          get {
              return builderResult.optionalImportMessage
          }
@@ -3766,7 +3766,7 @@ internal extension ProtobufUnittest {
              builderResult.optionalImportMessage = value
          }
     }
-    func setOptionalImportMessage(value:ProtobufUnittestImport.ImportMessageLite)-> ProtobufUnittest.TestAllTypesLiteBuilder {
+    func setOptionalImportMessage(value:ProtobufUnittestImport.ImportMessageLite!)-> ProtobufUnittest.TestAllTypesLiteBuilder {
       self.optionalImportMessage = value
       return self
     }
@@ -3781,7 +3781,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOptionalImportMessage() -> ProtobufUnittest.TestAllTypesLiteBuilder {
       builderResult.hasOptionalImportMessage = false
-      builderResult.optionalImportMessage = ProtobufUnittestImport.ImportMessageLite()
+      builderResult.optionalImportMessage = nil
       return self
     }
       var hasOptionalNestedEnum:Bool{
@@ -3904,7 +3904,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOptionalPublicImportMessage
          }
     }
-    var optionalPublicImportMessage:ProtobufUnittestImport.PublicImportMessageLite {
+    var optionalPublicImportMessage:ProtobufUnittestImport.PublicImportMessageLite! {
          get {
              return builderResult.optionalPublicImportMessage
          }
@@ -3913,7 +3913,7 @@ internal extension ProtobufUnittest {
              builderResult.optionalPublicImportMessage = value
          }
     }
-    func setOptionalPublicImportMessage(value:ProtobufUnittestImport.PublicImportMessageLite)-> ProtobufUnittest.TestAllTypesLiteBuilder {
+    func setOptionalPublicImportMessage(value:ProtobufUnittestImport.PublicImportMessageLite!)-> ProtobufUnittest.TestAllTypesLiteBuilder {
       self.optionalPublicImportMessage = value
       return self
     }
@@ -3928,7 +3928,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOptionalPublicImportMessage() -> ProtobufUnittest.TestAllTypesLiteBuilder {
       builderResult.hasOptionalPublicImportMessage = false
-      builderResult.optionalPublicImportMessage = ProtobufUnittestImport.PublicImportMessageLite()
+      builderResult.optionalPublicImportMessage = nil
       return self
     }
     var hasOptionalLazyMessage:Bool {
@@ -3936,7 +3936,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOptionalLazyMessage
          }
     }
-    var optionalLazyMessage:ProtobufUnittest.TestAllTypesLite.NestedMessage {
+    var optionalLazyMessage:ProtobufUnittest.TestAllTypesLite.NestedMessage! {
          get {
              return builderResult.optionalLazyMessage
          }
@@ -3945,7 +3945,7 @@ internal extension ProtobufUnittest {
              builderResult.optionalLazyMessage = value
          }
     }
-    func setOptionalLazyMessage(value:ProtobufUnittest.TestAllTypesLite.NestedMessage)-> ProtobufUnittest.TestAllTypesLiteBuilder {
+    func setOptionalLazyMessage(value:ProtobufUnittest.TestAllTypesLite.NestedMessage!)-> ProtobufUnittest.TestAllTypesLiteBuilder {
       self.optionalLazyMessage = value
       return self
     }
@@ -3960,7 +3960,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOptionalLazyMessage() -> ProtobufUnittest.TestAllTypesLiteBuilder {
       builderResult.hasOptionalLazyMessage = false
-      builderResult.optionalLazyMessage = ProtobufUnittest.TestAllTypesLite.NestedMessage()
+      builderResult.optionalLazyMessage = nil
       return self
     }
     var repeatedInt32:Array<Int32> {
@@ -4851,7 +4851,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOneofNestedMessage
          }
     }
-    var oneofNestedMessage:ProtobufUnittest.TestAllTypesLite.NestedMessage {
+    var oneofNestedMessage:ProtobufUnittest.TestAllTypesLite.NestedMessage! {
          get {
              return builderResult.oneofNestedMessage
          }
@@ -4860,7 +4860,7 @@ internal extension ProtobufUnittest {
              builderResult.oneofNestedMessage = value
          }
     }
-    func setOneofNestedMessage(value:ProtobufUnittest.TestAllTypesLite.NestedMessage)-> ProtobufUnittest.TestAllTypesLiteBuilder {
+    func setOneofNestedMessage(value:ProtobufUnittest.TestAllTypesLite.NestedMessage!)-> ProtobufUnittest.TestAllTypesLiteBuilder {
       self.oneofNestedMessage = value
       return self
     }
@@ -4875,7 +4875,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOneofNestedMessage() -> ProtobufUnittest.TestAllTypesLiteBuilder {
       builderResult.hasOneofNestedMessage = false
-      builderResult.oneofNestedMessage = ProtobufUnittest.TestAllTypesLite.NestedMessage()
+      builderResult.oneofNestedMessage = nil
       return self
     }
     var hasOneofString:Bool {
@@ -7587,7 +7587,7 @@ internal extension ProtobufUnittest {
 
           final internal class Group1 : GeneratedMessage, GeneratedMessageProtocol {
             private(set) var hasField1:Bool = false
-            private(set) var field1:ProtobufUnittest.TestAllTypesLite = ProtobufUnittest.TestAllTypesLite()
+            private(set) var field1:ProtobufUnittest.TestAllTypesLite!
             required internal init() {
                  super.init()
             }
@@ -7697,7 +7697,7 @@ internal extension ProtobufUnittest {
                      return builderResult.hasField1
                  }
             }
-            var field1:ProtobufUnittest.TestAllTypesLite {
+            var field1:ProtobufUnittest.TestAllTypesLite! {
                  get {
                      return builderResult.field1
                  }
@@ -7706,7 +7706,7 @@ internal extension ProtobufUnittest {
                      builderResult.field1 = value
                  }
             }
-            func setField1(value:ProtobufUnittest.TestAllTypesLite)-> ProtobufUnittest.TestParsingMergeLite.RepeatedFieldsGenerator.Group1Builder {
+            func setField1(value:ProtobufUnittest.TestAllTypesLite!)-> ProtobufUnittest.TestParsingMergeLite.RepeatedFieldsGenerator.Group1Builder {
               self.field1 = value
               return self
             }
@@ -7721,7 +7721,7 @@ internal extension ProtobufUnittest {
             }
             internal func clearField1() -> ProtobufUnittest.TestParsingMergeLite.RepeatedFieldsGenerator.Group1Builder {
               builderResult.hasField1 = false
-              builderResult.field1 = ProtobufUnittest.TestAllTypesLite()
+              builderResult.field1 = nil
               return self
             }
             override internal var internalGetResult:GeneratedMessage {
@@ -7792,7 +7792,7 @@ internal extension ProtobufUnittest {
 
           final internal class Group2 : GeneratedMessage, GeneratedMessageProtocol {
             private(set) var hasField1:Bool = false
-            private(set) var field1:ProtobufUnittest.TestAllTypesLite = ProtobufUnittest.TestAllTypesLite()
+            private(set) var field1:ProtobufUnittest.TestAllTypesLite!
             required internal init() {
                  super.init()
             }
@@ -7902,7 +7902,7 @@ internal extension ProtobufUnittest {
                      return builderResult.hasField1
                  }
             }
-            var field1:ProtobufUnittest.TestAllTypesLite {
+            var field1:ProtobufUnittest.TestAllTypesLite! {
                  get {
                      return builderResult.field1
                  }
@@ -7911,7 +7911,7 @@ internal extension ProtobufUnittest {
                      builderResult.field1 = value
                  }
             }
-            func setField1(value:ProtobufUnittest.TestAllTypesLite)-> ProtobufUnittest.TestParsingMergeLite.RepeatedFieldsGenerator.Group2Builder {
+            func setField1(value:ProtobufUnittest.TestAllTypesLite!)-> ProtobufUnittest.TestParsingMergeLite.RepeatedFieldsGenerator.Group2Builder {
               self.field1 = value
               return self
             }
@@ -7926,7 +7926,7 @@ internal extension ProtobufUnittest {
             }
             internal func clearField1() -> ProtobufUnittest.TestParsingMergeLite.RepeatedFieldsGenerator.Group2Builder {
               builderResult.hasField1 = false
-              builderResult.field1 = ProtobufUnittest.TestAllTypesLite()
+              builderResult.field1 = nil
               return self
             }
             override internal var internalGetResult:GeneratedMessage {
@@ -8425,7 +8425,7 @@ internal extension ProtobufUnittest {
 
       final internal class OptionalGroup : GeneratedMessage, GeneratedMessageProtocol {
         private(set) var hasOptionalGroupAllTypes:Bool = false
-        private(set) var optionalGroupAllTypes:ProtobufUnittest.TestAllTypesLite = ProtobufUnittest.TestAllTypesLite()
+        private(set) var optionalGroupAllTypes:ProtobufUnittest.TestAllTypesLite!
         required internal init() {
              super.init()
         }
@@ -8535,7 +8535,7 @@ internal extension ProtobufUnittest {
                  return builderResult.hasOptionalGroupAllTypes
              }
         }
-        var optionalGroupAllTypes:ProtobufUnittest.TestAllTypesLite {
+        var optionalGroupAllTypes:ProtobufUnittest.TestAllTypesLite! {
              get {
                  return builderResult.optionalGroupAllTypes
              }
@@ -8544,7 +8544,7 @@ internal extension ProtobufUnittest {
                  builderResult.optionalGroupAllTypes = value
              }
         }
-        func setOptionalGroupAllTypes(value:ProtobufUnittest.TestAllTypesLite)-> ProtobufUnittest.TestParsingMergeLite.OptionalGroupBuilder {
+        func setOptionalGroupAllTypes(value:ProtobufUnittest.TestAllTypesLite!)-> ProtobufUnittest.TestParsingMergeLite.OptionalGroupBuilder {
           self.optionalGroupAllTypes = value
           return self
         }
@@ -8559,7 +8559,7 @@ internal extension ProtobufUnittest {
         }
         internal func clearOptionalGroupAllTypes() -> ProtobufUnittest.TestParsingMergeLite.OptionalGroupBuilder {
           builderResult.hasOptionalGroupAllTypes = false
-          builderResult.optionalGroupAllTypes = ProtobufUnittest.TestAllTypesLite()
+          builderResult.optionalGroupAllTypes = nil
           return self
         }
         override internal var internalGetResult:GeneratedMessage {
@@ -8630,7 +8630,7 @@ internal extension ProtobufUnittest {
 
       final internal class RepeatedGroup : GeneratedMessage, GeneratedMessageProtocol {
         private(set) var hasRepeatedGroupAllTypes:Bool = false
-        private(set) var repeatedGroupAllTypes:ProtobufUnittest.TestAllTypesLite = ProtobufUnittest.TestAllTypesLite()
+        private(set) var repeatedGroupAllTypes:ProtobufUnittest.TestAllTypesLite!
         required internal init() {
              super.init()
         }
@@ -8740,7 +8740,7 @@ internal extension ProtobufUnittest {
                  return builderResult.hasRepeatedGroupAllTypes
              }
         }
-        var repeatedGroupAllTypes:ProtobufUnittest.TestAllTypesLite {
+        var repeatedGroupAllTypes:ProtobufUnittest.TestAllTypesLite! {
              get {
                  return builderResult.repeatedGroupAllTypes
              }
@@ -8749,7 +8749,7 @@ internal extension ProtobufUnittest {
                  builderResult.repeatedGroupAllTypes = value
              }
         }
-        func setRepeatedGroupAllTypes(value:ProtobufUnittest.TestAllTypesLite)-> ProtobufUnittest.TestParsingMergeLite.RepeatedGroupBuilder {
+        func setRepeatedGroupAllTypes(value:ProtobufUnittest.TestAllTypesLite!)-> ProtobufUnittest.TestParsingMergeLite.RepeatedGroupBuilder {
           self.repeatedGroupAllTypes = value
           return self
         }
@@ -8764,7 +8764,7 @@ internal extension ProtobufUnittest {
         }
         internal func clearRepeatedGroupAllTypes() -> ProtobufUnittest.TestParsingMergeLite.RepeatedGroupBuilder {
           builderResult.hasRepeatedGroupAllTypes = false
-          builderResult.repeatedGroupAllTypes = ProtobufUnittest.TestAllTypesLite()
+          builderResult.repeatedGroupAllTypes = nil
           return self
         }
         override internal var internalGetResult:GeneratedMessage {
@@ -8830,11 +8830,11 @@ internal extension ProtobufUnittest {
     //Nested type declaration end
 
     private(set) var hasRequiredAllTypes:Bool = false
-    private(set) var requiredAllTypes:ProtobufUnittest.TestAllTypesLite = ProtobufUnittest.TestAllTypesLite()
+    private(set) var requiredAllTypes:ProtobufUnittest.TestAllTypesLite!
     private(set) var hasOptionalAllTypes:Bool = false
-    private(set) var optionalAllTypes:ProtobufUnittest.TestAllTypesLite = ProtobufUnittest.TestAllTypesLite()
+    private(set) var optionalAllTypes:ProtobufUnittest.TestAllTypesLite!
     private(set) var hasOptionalGroup:Bool = false
-    private(set) var optionalGroup:ProtobufUnittest.TestParsingMergeLite.OptionalGroup = ProtobufUnittest.TestParsingMergeLite.OptionalGroup()
+    private(set) var optionalGroup:ProtobufUnittest.TestParsingMergeLite.OptionalGroup!
     internal class func optionalExt() -> ConcreateExtensionField {
          return TestParsingMergeLiteoptionalExt
     }
@@ -9022,7 +9022,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasRequiredAllTypes
          }
     }
-    var requiredAllTypes:ProtobufUnittest.TestAllTypesLite {
+    var requiredAllTypes:ProtobufUnittest.TestAllTypesLite! {
          get {
              return builderResult.requiredAllTypes
          }
@@ -9031,7 +9031,7 @@ internal extension ProtobufUnittest {
              builderResult.requiredAllTypes = value
          }
     }
-    func setRequiredAllTypes(value:ProtobufUnittest.TestAllTypesLite)-> ProtobufUnittest.TestParsingMergeLiteBuilder {
+    func setRequiredAllTypes(value:ProtobufUnittest.TestAllTypesLite!)-> ProtobufUnittest.TestParsingMergeLiteBuilder {
       self.requiredAllTypes = value
       return self
     }
@@ -9046,7 +9046,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearRequiredAllTypes() -> ProtobufUnittest.TestParsingMergeLiteBuilder {
       builderResult.hasRequiredAllTypes = false
-      builderResult.requiredAllTypes = ProtobufUnittest.TestAllTypesLite()
+      builderResult.requiredAllTypes = nil
       return self
     }
     var hasOptionalAllTypes:Bool {
@@ -9054,7 +9054,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOptionalAllTypes
          }
     }
-    var optionalAllTypes:ProtobufUnittest.TestAllTypesLite {
+    var optionalAllTypes:ProtobufUnittest.TestAllTypesLite! {
          get {
              return builderResult.optionalAllTypes
          }
@@ -9063,7 +9063,7 @@ internal extension ProtobufUnittest {
              builderResult.optionalAllTypes = value
          }
     }
-    func setOptionalAllTypes(value:ProtobufUnittest.TestAllTypesLite)-> ProtobufUnittest.TestParsingMergeLiteBuilder {
+    func setOptionalAllTypes(value:ProtobufUnittest.TestAllTypesLite!)-> ProtobufUnittest.TestParsingMergeLiteBuilder {
       self.optionalAllTypes = value
       return self
     }
@@ -9078,7 +9078,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOptionalAllTypes() -> ProtobufUnittest.TestParsingMergeLiteBuilder {
       builderResult.hasOptionalAllTypes = false
-      builderResult.optionalAllTypes = ProtobufUnittest.TestAllTypesLite()
+      builderResult.optionalAllTypes = nil
       return self
     }
     var repeatedAllTypes:Array<ProtobufUnittest.TestAllTypesLite> {
@@ -9102,7 +9102,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasOptionalGroup
          }
     }
-    var optionalGroup:ProtobufUnittest.TestParsingMergeLite.OptionalGroup {
+    var optionalGroup:ProtobufUnittest.TestParsingMergeLite.OptionalGroup! {
          get {
              return builderResult.optionalGroup
          }
@@ -9111,7 +9111,7 @@ internal extension ProtobufUnittest {
              builderResult.optionalGroup = value
          }
     }
-    func setOptionalGroup(value:ProtobufUnittest.TestParsingMergeLite.OptionalGroup)-> ProtobufUnittest.TestParsingMergeLiteBuilder {
+    func setOptionalGroup(value:ProtobufUnittest.TestParsingMergeLite.OptionalGroup!)-> ProtobufUnittest.TestParsingMergeLiteBuilder {
       self.optionalGroup = value
       return self
     }
@@ -9126,7 +9126,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearOptionalGroup() -> ProtobufUnittest.TestParsingMergeLiteBuilder {
       builderResult.hasOptionalGroup = false
-      builderResult.optionalGroup = ProtobufUnittest.TestParsingMergeLite.OptionalGroup()
+      builderResult.optionalGroup = nil
       return self
     }
     var repeatedGroup:Array<ProtobufUnittest.TestParsingMergeLite.RepeatedGroup> {
diff --git a/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_lite_imports_nonlite.pb.swift b/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_lite_imports_nonlite.pb.swift
index 774b17a..ddbbf9f 100644
--- a/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_lite_imports_nonlite.pb.swift
+++ b/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_lite_imports_nonlite.pb.swift
@@ -35,7 +35,7 @@ internal extension ProtobufUnittest {
 
   final internal class TestLiteImportsNonlite : GeneratedMessage, GeneratedMessageProtocol {
     private(set) var hasMessage_:Bool = false
-    private(set) var message_:ProtobufUnittest.TestAllTypes = ProtobufUnittest.TestAllTypes()
+    private(set) var message_:ProtobufUnittest.TestAllTypes!
     required internal init() {
          super.init()
     }
@@ -145,7 +145,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasMessage_
          }
     }
-    var message_:ProtobufUnittest.TestAllTypes {
+    var message_:ProtobufUnittest.TestAllTypes! {
          get {
              return builderResult.message_
          }
@@ -154,7 +154,7 @@ internal extension ProtobufUnittest {
              builderResult.message_ = value
          }
     }
-    func setMessage_(value:ProtobufUnittest.TestAllTypes)-> ProtobufUnittest.TestLiteImportsNonliteBuilder {
+    func setMessage_(value:ProtobufUnittest.TestAllTypes!)-> ProtobufUnittest.TestLiteImportsNonliteBuilder {
       self.message_ = value
       return self
     }
@@ -169,7 +169,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearMessage_() -> ProtobufUnittest.TestLiteImportsNonliteBuilder {
       builderResult.hasMessage_ = false
-      builderResult.message_ = ProtobufUnittest.TestAllTypes()
+      builderResult.message_ = nil
       return self
     }
     override internal var internalGetResult:GeneratedMessage {
diff --git a/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_mset.pb.swift b/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_mset.pb.swift
index c7449e0..042a4db 100644
--- a/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_mset.pb.swift
+++ b/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_mset.pb.swift
@@ -244,7 +244,7 @@ internal extension ProtobufUnittest {
 
   final internal class TestMessageSetContainer : GeneratedMessage, GeneratedMessageProtocol {
     private(set) var hasMessageSet:Bool = false
-    private(set) var messageSet:ProtobufUnittest.TestMessageSet = ProtobufUnittest.TestMessageSet()
+    private(set) var messageSet:ProtobufUnittest.TestMessageSet!
     required internal init() {
          super.init()
     }
@@ -359,7 +359,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasMessageSet
          }
     }
-    var messageSet:ProtobufUnittest.TestMessageSet {
+    var messageSet:ProtobufUnittest.TestMessageSet! {
          get {
              return builderResult.messageSet
          }
@@ -368,7 +368,7 @@ internal extension ProtobufUnittest {
              builderResult.messageSet = value
          }
     }
-    func setMessageSet(value:ProtobufUnittest.TestMessageSet)-> ProtobufUnittest.TestMessageSetContainerBuilder {
+    func setMessageSet(value:ProtobufUnittest.TestMessageSet!)-> ProtobufUnittest.TestMessageSetContainerBuilder {
       self.messageSet = value
       return self
     }
@@ -383,7 +383,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearMessageSet() -> ProtobufUnittest.TestMessageSetContainerBuilder {
       builderResult.hasMessageSet = false
-      builderResult.messageSet = ProtobufUnittest.TestMessageSet()
+      builderResult.messageSet = nil
       return self
     }
     override internal var internalGetResult:GeneratedMessage {
diff --git a/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_optimize_for.pb.swift b/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_optimize_for.pb.swift
index f681763..43016c7 100644
--- a/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_optimize_for.pb.swift
+++ b/src/ProtocolBuffers/ProtocolBuffersTests/pbTests/ProtobufUnittest_Unittest_optimize_for.pb.swift
@@ -115,7 +115,7 @@ internal extension ProtobufUnittest {
     private(set) var i:Int32 = Int32(0)
 
     private(set) var hasMsg:Bool = false
-    private(set) var msg:ProtobufUnittest.ForeignMessage = ProtobufUnittest.ForeignMessage()
+    private(set) var msg:ProtobufUnittest.ForeignMessage!
     private(set) var hasIntegerField:Bool {
           get {
                if ProtobufUnittest.TestOptimizedForSize.Foo.getIntegerField(storageFoo) == nil {
@@ -333,7 +333,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasMsg
          }
     }
-    var msg:ProtobufUnittest.ForeignMessage {
+    var msg:ProtobufUnittest.ForeignMessage! {
          get {
              return builderResult.msg
          }
@@ -342,7 +342,7 @@ internal extension ProtobufUnittest {
              builderResult.msg = value
          }
     }
-    func setMsg(value:ProtobufUnittest.ForeignMessage)-> ProtobufUnittest.TestOptimizedForSizeBuilder {
+    func setMsg(value:ProtobufUnittest.ForeignMessage!)-> ProtobufUnittest.TestOptimizedForSizeBuilder {
       self.msg = value
       return self
     }
@@ -357,7 +357,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearMsg() -> ProtobufUnittest.TestOptimizedForSizeBuilder {
       builderResult.hasMsg = false
-      builderResult.msg = ProtobufUnittest.ForeignMessage()
+      builderResult.msg = nil
       return self
     }
     var hasIntegerField:Bool {
@@ -674,7 +674,7 @@ internal extension ProtobufUnittest {
 
   final internal class TestOptionalOptimizedForSize : GeneratedMessage, GeneratedMessageProtocol {
     private(set) var hasO:Bool = false
-    private(set) var o:ProtobufUnittest.TestRequiredOptimizedForSize = ProtobufUnittest.TestRequiredOptimizedForSize()
+    private(set) var o:ProtobufUnittest.TestRequiredOptimizedForSize!
     required internal init() {
          super.init()
     }
@@ -789,7 +789,7 @@ internal extension ProtobufUnittest {
              return builderResult.hasO
          }
     }
-    var o:ProtobufUnittest.TestRequiredOptimizedForSize {
+    var o:ProtobufUnittest.TestRequiredOptimizedForSize! {
          get {
              return builderResult.o
          }
@@ -798,7 +798,7 @@ internal extension ProtobufUnittest {
              builderResult.o = value
          }
     }
-    func setO(value:ProtobufUnittest.TestRequiredOptimizedForSize)-> ProtobufUnittest.TestOptionalOptimizedForSizeBuilder {
+    func setO(value:ProtobufUnittest.TestRequiredOptimizedForSize!)-> ProtobufUnittest.TestOptionalOptimizedForSizeBuilder {
       self.o = value
       return self
     }
@@ -813,7 +813,7 @@ internal extension ProtobufUnittest {
     }
     internal func clearO() -> ProtobufUnittest.TestOptionalOptimizedForSizeBuilder {
       builderResult.hasO = false
-      builderResult.o = ProtobufUnittest.TestRequiredOptimizedForSize()
+      builderResult.o = nil
       return self
     }
     override internal var internalGetResult:GeneratedMessage {
diff --git a/src/ProtocolBuffers/runtime-pb-swift/Descriptor.pb.swift b/src/ProtocolBuffers/runtime-pb-swift/Descriptor.pb.swift
deleted file mode 100644
index b2b33a3..0000000
--- a/src/ProtocolBuffers/runtime-pb-swift/Descriptor.pb.swift
+++ /dev/null
@@ -1,7692 +0,0 @@
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-
-import Foundation
-
-public struct Google {public struct Protobuf {}}
-public func == (lhs: Google.Protobuf.FileDescriptorSet, rhs: Google.Protobuf.FileDescriptorSet) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.file == rhs.file)
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.FileDescriptorProto, rhs: Google.Protobuf.FileDescriptorProto) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.hasName == rhs.hasName) && (!lhs.hasName || lhs.name == rhs.name)
-  fieldCheck = fieldCheck && (lhs.hasPackage == rhs.hasPackage) && (!lhs.hasPackage || lhs.package == rhs.package)
-  fieldCheck = fieldCheck && (lhs.dependency == rhs.dependency)
-  fieldCheck = fieldCheck && (lhs.messageType == rhs.messageType)
-  fieldCheck = fieldCheck && (lhs.enumType == rhs.enumType)
-  fieldCheck = fieldCheck && (lhs.service == rhs.service)
-  fieldCheck = fieldCheck && (lhs.extension_ == rhs.extension_)
-  fieldCheck = fieldCheck && (lhs.hasOptions == rhs.hasOptions) && (!lhs.hasOptions || lhs.options == rhs.options)
-  fieldCheck = fieldCheck && (lhs.hasSourceCodeInfo == rhs.hasSourceCodeInfo) && (!lhs.hasSourceCodeInfo || lhs.sourceCodeInfo == rhs.sourceCodeInfo)
-  fieldCheck = fieldCheck && (lhs.publicDependency == rhs.publicDependency)
-  fieldCheck = fieldCheck && (lhs.weakDependency == rhs.weakDependency)
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.DescriptorProto.ExtensionRange, rhs: Google.Protobuf.DescriptorProto.ExtensionRange) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.hasStart == rhs.hasStart) && (!lhs.hasStart || lhs.start == rhs.start)
-  fieldCheck = fieldCheck && (lhs.hasEnd == rhs.hasEnd) && (!lhs.hasEnd || lhs.end == rhs.end)
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.DescriptorProto, rhs: Google.Protobuf.DescriptorProto) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.hasName == rhs.hasName) && (!lhs.hasName || lhs.name == rhs.name)
-  fieldCheck = fieldCheck && (lhs.field == rhs.field)
-  fieldCheck = fieldCheck && (lhs.nestedType == rhs.nestedType)
-  fieldCheck = fieldCheck && (lhs.enumType == rhs.enumType)
-  fieldCheck = fieldCheck && (lhs.extensionRange == rhs.extensionRange)
-  fieldCheck = fieldCheck && (lhs.extension_ == rhs.extension_)
-  fieldCheck = fieldCheck && (lhs.hasOptions == rhs.hasOptions) && (!lhs.hasOptions || lhs.options == rhs.options)
-  fieldCheck = fieldCheck && (lhs.oneofDecl == rhs.oneofDecl)
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.FieldDescriptorProto, rhs: Google.Protobuf.FieldDescriptorProto) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.hasName == rhs.hasName) && (!lhs.hasName || lhs.name == rhs.name)
-  fieldCheck = fieldCheck && (lhs.hasExtendee == rhs.hasExtendee) && (!lhs.hasExtendee || lhs.extendee == rhs.extendee)
-  fieldCheck = fieldCheck && (lhs.hasNumber == rhs.hasNumber) && (!lhs.hasNumber || lhs.number == rhs.number)
-  fieldCheck = fieldCheck && (lhs.hasLabel == rhs.hasLabel) && (!lhs.hasLabel || lhs.label == rhs.label)
-  fieldCheck = fieldCheck && (lhs.hasTypes == rhs.hasTypes) && (!lhs.hasTypes || lhs.types == rhs.types)
-  fieldCheck = fieldCheck && (lhs.hasTypeName == rhs.hasTypeName) && (!lhs.hasTypeName || lhs.typeName == rhs.typeName)
-  fieldCheck = fieldCheck && (lhs.hasDefaultValue == rhs.hasDefaultValue) && (!lhs.hasDefaultValue || lhs.defaultValue == rhs.defaultValue)
-  fieldCheck = fieldCheck && (lhs.hasOptions == rhs.hasOptions) && (!lhs.hasOptions || lhs.options == rhs.options)
-  fieldCheck = fieldCheck && (lhs.hasOneofIndex == rhs.hasOneofIndex) && (!lhs.hasOneofIndex || lhs.oneofIndex == rhs.oneofIndex)
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.OneofDescriptorProto, rhs: Google.Protobuf.OneofDescriptorProto) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.hasName == rhs.hasName) && (!lhs.hasName || lhs.name == rhs.name)
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.EnumDescriptorProto, rhs: Google.Protobuf.EnumDescriptorProto) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.hasName == rhs.hasName) && (!lhs.hasName || lhs.name == rhs.name)
-  fieldCheck = fieldCheck && (lhs.value == rhs.value)
-  fieldCheck = fieldCheck && (lhs.hasOptions == rhs.hasOptions) && (!lhs.hasOptions || lhs.options == rhs.options)
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.EnumValueDescriptorProto, rhs: Google.Protobuf.EnumValueDescriptorProto) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.hasName == rhs.hasName) && (!lhs.hasName || lhs.name == rhs.name)
-  fieldCheck = fieldCheck && (lhs.hasNumber == rhs.hasNumber) && (!lhs.hasNumber || lhs.number == rhs.number)
-  fieldCheck = fieldCheck && (lhs.hasOptions == rhs.hasOptions) && (!lhs.hasOptions || lhs.options == rhs.options)
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.ServiceDescriptorProto, rhs: Google.Protobuf.ServiceDescriptorProto) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.hasName == rhs.hasName) && (!lhs.hasName || lhs.name == rhs.name)
-  fieldCheck = fieldCheck && (lhs.method == rhs.method)
-  fieldCheck = fieldCheck && (lhs.hasOptions == rhs.hasOptions) && (!lhs.hasOptions || lhs.options == rhs.options)
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.MethodDescriptorProto, rhs: Google.Protobuf.MethodDescriptorProto) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.hasName == rhs.hasName) && (!lhs.hasName || lhs.name == rhs.name)
-  fieldCheck = fieldCheck && (lhs.hasInputType == rhs.hasInputType) && (!lhs.hasInputType || lhs.inputType == rhs.inputType)
-  fieldCheck = fieldCheck && (lhs.hasOutputType == rhs.hasOutputType) && (!lhs.hasOutputType || lhs.outputType == rhs.outputType)
-  fieldCheck = fieldCheck && (lhs.hasOptions == rhs.hasOptions) && (!lhs.hasOptions || lhs.options == rhs.options)
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.FileOptions, rhs: Google.Protobuf.FileOptions) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.hasJavaPackage == rhs.hasJavaPackage) && (!lhs.hasJavaPackage || lhs.javaPackage == rhs.javaPackage)
-  fieldCheck = fieldCheck && (lhs.hasJavaOuterClassname == rhs.hasJavaOuterClassname) && (!lhs.hasJavaOuterClassname || lhs.javaOuterClassname == rhs.javaOuterClassname)
-  fieldCheck = fieldCheck && (lhs.hasOptimizeFor == rhs.hasOptimizeFor) && (!lhs.hasOptimizeFor || lhs.optimizeFor == rhs.optimizeFor)
-  fieldCheck = fieldCheck && (lhs.hasJavaMultipleFiles == rhs.hasJavaMultipleFiles) && (!lhs.hasJavaMultipleFiles || lhs.javaMultipleFiles == rhs.javaMultipleFiles)
-  fieldCheck = fieldCheck && (lhs.hasGoPackage == rhs.hasGoPackage) && (!lhs.hasGoPackage || lhs.goPackage == rhs.goPackage)
-  fieldCheck = fieldCheck && (lhs.hasCcGenericServices == rhs.hasCcGenericServices) && (!lhs.hasCcGenericServices || lhs.ccGenericServices == rhs.ccGenericServices)
-  fieldCheck = fieldCheck && (lhs.hasJavaGenericServices == rhs.hasJavaGenericServices) && (!lhs.hasJavaGenericServices || lhs.javaGenericServices == rhs.javaGenericServices)
-  fieldCheck = fieldCheck && (lhs.hasPyGenericServices == rhs.hasPyGenericServices) && (!lhs.hasPyGenericServices || lhs.pyGenericServices == rhs.pyGenericServices)
-  fieldCheck = fieldCheck && (lhs.hasJavaGenerateEqualsAndHash == rhs.hasJavaGenerateEqualsAndHash) && (!lhs.hasJavaGenerateEqualsAndHash || lhs.javaGenerateEqualsAndHash == rhs.javaGenerateEqualsAndHash)
-  fieldCheck = fieldCheck && (lhs.hasDeprecated == rhs.hasDeprecated) && (!lhs.hasDeprecated || lhs.deprecated == rhs.deprecated)
-  fieldCheck = fieldCheck && (lhs.hasJavaStringCheckUtf8 == rhs.hasJavaStringCheckUtf8) && (!lhs.hasJavaStringCheckUtf8 || lhs.javaStringCheckUtf8 == rhs.javaStringCheckUtf8)
-  fieldCheck = fieldCheck && (lhs.uninterpretedOption == rhs.uninterpretedOption)
-  fieldCheck = fieldCheck && lhs.isEqualExtensionsInOther(rhs, startInclusive:Int32(1000), endExclusive:Int32(536870912))
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.MessageOptions, rhs: Google.Protobuf.MessageOptions) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.hasMessageSetWireFormat == rhs.hasMessageSetWireFormat) && (!lhs.hasMessageSetWireFormat || lhs.messageSetWireFormat == rhs.messageSetWireFormat)
-  fieldCheck = fieldCheck && (lhs.hasNoStandardDescriptorAccessor == rhs.hasNoStandardDescriptorAccessor) && (!lhs.hasNoStandardDescriptorAccessor || lhs.noStandardDescriptorAccessor == rhs.noStandardDescriptorAccessor)
-  fieldCheck = fieldCheck && (lhs.hasDeprecated == rhs.hasDeprecated) && (!lhs.hasDeprecated || lhs.deprecated == rhs.deprecated)
-  fieldCheck = fieldCheck && (lhs.uninterpretedOption == rhs.uninterpretedOption)
-  fieldCheck = fieldCheck && lhs.isEqualExtensionsInOther(rhs, startInclusive:Int32(1000), endExclusive:Int32(536870912))
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.FieldOptions, rhs: Google.Protobuf.FieldOptions) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.hasCtype == rhs.hasCtype) && (!lhs.hasCtype || lhs.ctype == rhs.ctype)
-  fieldCheck = fieldCheck && (lhs.hasPacked == rhs.hasPacked) && (!lhs.hasPacked || lhs.packed == rhs.packed)
-  fieldCheck = fieldCheck && (lhs.hasDeprecated == rhs.hasDeprecated) && (!lhs.hasDeprecated || lhs.deprecated == rhs.deprecated)
-  fieldCheck = fieldCheck && (lhs.hasLazy == rhs.hasLazy) && (!lhs.hasLazy || lhs.lazy == rhs.lazy)
-  fieldCheck = fieldCheck && (lhs.hasExperimentalMapKey == rhs.hasExperimentalMapKey) && (!lhs.hasExperimentalMapKey || lhs.experimentalMapKey == rhs.experimentalMapKey)
-  fieldCheck = fieldCheck && (lhs.hasWeak == rhs.hasWeak) && (!lhs.hasWeak || lhs.weak == rhs.weak)
-  fieldCheck = fieldCheck && (lhs.uninterpretedOption == rhs.uninterpretedOption)
-  fieldCheck = fieldCheck && lhs.isEqualExtensionsInOther(rhs, startInclusive:Int32(1000), endExclusive:Int32(536870912))
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.EnumOptions, rhs: Google.Protobuf.EnumOptions) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.hasAllowAlias == rhs.hasAllowAlias) && (!lhs.hasAllowAlias || lhs.allowAlias == rhs.allowAlias)
-  fieldCheck = fieldCheck && (lhs.hasDeprecated == rhs.hasDeprecated) && (!lhs.hasDeprecated || lhs.deprecated == rhs.deprecated)
-  fieldCheck = fieldCheck && (lhs.uninterpretedOption == rhs.uninterpretedOption)
-  fieldCheck = fieldCheck && lhs.isEqualExtensionsInOther(rhs, startInclusive:Int32(1000), endExclusive:Int32(536870912))
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.EnumValueOptions, rhs: Google.Protobuf.EnumValueOptions) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.hasDeprecated == rhs.hasDeprecated) && (!lhs.hasDeprecated || lhs.deprecated == rhs.deprecated)
-  fieldCheck = fieldCheck && (lhs.uninterpretedOption == rhs.uninterpretedOption)
-  fieldCheck = fieldCheck && lhs.isEqualExtensionsInOther(rhs, startInclusive:Int32(1000), endExclusive:Int32(536870912))
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.ServiceOptions, rhs: Google.Protobuf.ServiceOptions) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.hasDeprecated == rhs.hasDeprecated) && (!lhs.hasDeprecated || lhs.deprecated == rhs.deprecated)
-  fieldCheck = fieldCheck && (lhs.uninterpretedOption == rhs.uninterpretedOption)
-  fieldCheck = fieldCheck && lhs.isEqualExtensionsInOther(rhs, startInclusive:Int32(1000), endExclusive:Int32(536870912))
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.MethodOptions, rhs: Google.Protobuf.MethodOptions) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.hasDeprecated == rhs.hasDeprecated) && (!lhs.hasDeprecated || lhs.deprecated == rhs.deprecated)
-  fieldCheck = fieldCheck && (lhs.uninterpretedOption == rhs.uninterpretedOption)
-  fieldCheck = fieldCheck && lhs.isEqualExtensionsInOther(rhs, startInclusive:Int32(1000), endExclusive:Int32(536870912))
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.UninterpretedOption.NamePart, rhs: Google.Protobuf.UninterpretedOption.NamePart) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.hasNamePart == rhs.hasNamePart) && (!lhs.hasNamePart || lhs.namePart == rhs.namePart)
-  fieldCheck = fieldCheck && (lhs.hasIsExtension == rhs.hasIsExtension) && (!lhs.hasIsExtension || lhs.isExtension == rhs.isExtension)
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.UninterpretedOption, rhs: Google.Protobuf.UninterpretedOption) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.name == rhs.name)
-  fieldCheck = fieldCheck && (lhs.hasIdentifierValue == rhs.hasIdentifierValue) && (!lhs.hasIdentifierValue || lhs.identifierValue == rhs.identifierValue)
-  fieldCheck = fieldCheck && (lhs.hasPositiveIntValue == rhs.hasPositiveIntValue) && (!lhs.hasPositiveIntValue || lhs.positiveIntValue == rhs.positiveIntValue)
-  fieldCheck = fieldCheck && (lhs.hasNegativeIntValue == rhs.hasNegativeIntValue) && (!lhs.hasNegativeIntValue || lhs.negativeIntValue == rhs.negativeIntValue)
-  fieldCheck = fieldCheck && (lhs.hasDoubleValue == rhs.hasDoubleValue) && (!lhs.hasDoubleValue || lhs.doubleValue == rhs.doubleValue)
-  fieldCheck = fieldCheck && (lhs.hasStringValue == rhs.hasStringValue) && (!lhs.hasStringValue || lhs.stringValue == rhs.stringValue)
-  fieldCheck = fieldCheck && (lhs.hasAggregateValue == rhs.hasAggregateValue) && (!lhs.hasAggregateValue || lhs.aggregateValue == rhs.aggregateValue)
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.SourceCodeInfo.Location, rhs: Google.Protobuf.SourceCodeInfo.Location) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.path == rhs.path)
-  fieldCheck = fieldCheck && (lhs.span == rhs.span)
-  fieldCheck = fieldCheck && (lhs.hasLeadingComments == rhs.hasLeadingComments) && (!lhs.hasLeadingComments || lhs.leadingComments == rhs.leadingComments)
-  fieldCheck = fieldCheck && (lhs.hasTrailingComments == rhs.hasTrailingComments) && (!lhs.hasTrailingComments || lhs.trailingComments == rhs.trailingComments)
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public func == (lhs: Google.Protobuf.SourceCodeInfo, rhs: Google.Protobuf.SourceCodeInfo) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.location == rhs.location)
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public extension Google.Protobuf {
-  public struct DescriptorRoot {
-    public static var sharedInstance : DescriptorRoot {
-     struct Static {
-         static let instance : DescriptorRoot = DescriptorRoot()
-     }
-     return Static.instance
-    }
-    public var extensionRegistry:ExtensionRegistry
-
-    init() {
-      extensionRegistry = ExtensionRegistry()
-      registerAllExtensions(extensionRegistry)
-    }
-    public func registerAllExtensions(registry:ExtensionRegistry) {
-    }
-  }
-
-  final public class FileDescriptorSet : GeneratedMessage, GeneratedMessageProtocol {
-    public private(set) var file:Array<Google.Protobuf.FileDescriptorProto>  = Array<Google.Protobuf.FileDescriptorProto>()
-    required public init() {
-         super.init()
-    }
-    override public func isInitialized() -> Bool {
-      var isInitfile:Bool = true
-      for oneElementfile in file {
-          if (!oneElementfile.isInitialized()) {
-              isInitfile = false
-              break 
-          }
-      }
-      if !isInitfile {
-       return isInitfile
-       }
-     return true
-    }
-    override public func writeToCodedOutputStream(output:CodedOutputStream) {
-      for oneElementfile in file {
-          output.writeMessage(1, value:oneElementfile)
-      }
-      unknownFields.writeToCodedOutputStream(output)
-    }
-    override public func serializedSize() -> Int32 {
-      var serialize_size:Int32 = memoizedSerializedSize
-      if serialize_size != -1 {
-       return serialize_size
-      }
-
-      serialize_size = 0
-      for oneElementfile in file {
-          serialize_size += oneElementfile.computeMessageSize(1)
-      }
-      serialize_size += unknownFields.serializedSize()
-      memoizedSerializedSize = serialize_size
-      return serialize_size
-    }
-    public class func parseFromData(data:NSData) -> Google.Protobuf.FileDescriptorSet {
-      return Google.Protobuf.FileDescriptorSet.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-    }
-    public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.FileDescriptorSet {
-      return Google.Protobuf.FileDescriptorSet.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.FileDescriptorSet {
-      return Google.Protobuf.FileDescriptorSet.builder().mergeFromInputStream(input).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.FileDescriptorSet {
-      return Google.Protobuf.FileDescriptorSet.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.FileDescriptorSet {
-      return Google.Protobuf.FileDescriptorSet.builder().mergeFromCodedInputStream(input).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.FileDescriptorSet {
-      return Google.Protobuf.FileDescriptorSet.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func builder() -> Google.Protobuf.FileDescriptorSetBuilder {
-      return Google.Protobuf.FileDescriptorSet.classBuilder() as Google.Protobuf.FileDescriptorSetBuilder
-    }
-    public func builder() -> Google.Protobuf.FileDescriptorSetBuilder {
-      return classBuilder() as Google.Protobuf.FileDescriptorSetBuilder
-    }
-    public override class func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.FileDescriptorSetBuilder()
-    }
-    public override func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.FileDescriptorSet.builder()
-    }
-    public func toBuilder() -> Google.Protobuf.FileDescriptorSetBuilder {
-      return Google.Protobuf.FileDescriptorSet.builderWithPrototype(self)
-    }
-    public class func builderWithPrototype(prototype:Google.Protobuf.FileDescriptorSet) -> Google.Protobuf.FileDescriptorSetBuilder {
-      return Google.Protobuf.FileDescriptorSet.builder().mergeFrom(prototype)
-    }
-    override public func writeDescriptionTo(inout output:String, indent:String) {
-      var fileElementIndex:Int = 0
-      for oneElementfile in file {
-          output += "\(indent) file[\(fileElementIndex)] {\n"
-          oneElementfile.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          fileElementIndex++
-      }
-      unknownFields.writeDescriptionTo(&output, indent:indent)
-    }
-    override public var hashValue:Int {
-        get {
-            var hashCode:Int = 7
-            for oneElementfile in file {
-                hashCode = (hashCode &* 31) &+ oneElementfile.hashValue
-            }
-            hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-            return hashCode
-        }
-    }
-
-
-    //Meta information declaration start
-
-    override public class func className() -> String {
-        return "Google.Protobuf.FileDescriptorSet"
-    }
-    override public func className() -> String {
-        return "Google.Protobuf.FileDescriptorSet"
-    }
-    override public func classMetaType() -> GeneratedMessage.Type {
-        return Google.Protobuf.FileDescriptorSet.self
-    }
-    //Meta information declaration end
-
-  }
-
-  final public class FileDescriptorSetBuilder : GeneratedMessageBuilder {
-    private var builderResult:Google.Protobuf.FileDescriptorSet
-
-    required override public init () {
-       builderResult = Google.Protobuf.FileDescriptorSet()
-       super.init()
-    }
-    public var file:Array<Google.Protobuf.FileDescriptorProto> {
-         get {
-             return builderResult.file
-         }
-         set (value) {
-             builderResult.file = value
-         }
-    }
-    public func setFile(value:Array<Google.Protobuf.FileDescriptorProto>)-> Google.Protobuf.FileDescriptorSetBuilder {
-      self.file = value
-      return self
-    }
-    public func clearFile() -> Google.Protobuf.FileDescriptorSetBuilder {
-      builderResult.file.removeAll(keepCapacity: false)
-      return self
-    }
-    override public var internalGetResult:GeneratedMessage {
-         get {
-            return builderResult
-         }
-    }
-    public override func clear() -> Google.Protobuf.FileDescriptorSetBuilder {
-      builderResult = Google.Protobuf.FileDescriptorSet()
-      return self
-    }
-    public override func clone() -> Google.Protobuf.FileDescriptorSetBuilder {
-      return Google.Protobuf.FileDescriptorSet.builderWithPrototype(builderResult)
-    }
-    public override func build() -> Google.Protobuf.FileDescriptorSet {
-         checkInitialized()
-         return buildPartial()
-    }
-    public func buildPartial() -> Google.Protobuf.FileDescriptorSet {
-      var returnMe:Google.Protobuf.FileDescriptorSet = builderResult
-      return returnMe
-    }
-    public func mergeFrom(other:Google.Protobuf.FileDescriptorSet) -> Google.Protobuf.FileDescriptorSetBuilder {
-      if (other == Google.Protobuf.FileDescriptorSet()) {
-       return self
-      }
-      if !other.file.isEmpty  {
-         builderResult.file += other.file
-      }
-      mergeUnknownFields(other.unknownFields)
-      return self
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.FileDescriptorSetBuilder {
-         return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.FileDescriptorSetBuilder {
-      var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-      while (true) {
-        var tag = input.readTag()
-        switch tag {
-        case 0: 
-          self.unknownFields = unknownFieldsBuilder.build()
-          return self
-
-        case 10 :
-          var subBuilder = Google.Protobuf.FileDescriptorProto.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          file += [subBuilder.buildPartial()]
-
-        default:
-          if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-             unknownFields = unknownFieldsBuilder.build()
-             return self
-          }
-        }
-      }
-    }
-  }
-
-  final public class FileDescriptorProto : GeneratedMessage, GeneratedMessageProtocol {
-    public private(set) var hasName:Bool = false
-    public private(set) var name:String = ""
-
-    public private(set) var hasPackage:Bool = false
-    public private(set) var package:String = ""
-
-    public private(set) var hasOptions:Bool = false
-    public private(set) var options:Google.Protobuf.FileOptions = Google.Protobuf.FileOptions()
-    public private(set) var hasSourceCodeInfo:Bool = false
-    public private(set) var sourceCodeInfo:Google.Protobuf.SourceCodeInfo = Google.Protobuf.SourceCodeInfo()
-    public private(set) var dependency:Array<String> = Array<String>()
-    public private(set) var publicDependency:Array<Int32> = Array<Int32>()
-    public private(set) var weakDependency:Array<Int32> = Array<Int32>()
-    public private(set) var messageType:Array<Google.Protobuf.DescriptorProto>  = Array<Google.Protobuf.DescriptorProto>()
-    public private(set) var enumType:Array<Google.Protobuf.EnumDescriptorProto>  = Array<Google.Protobuf.EnumDescriptorProto>()
-    public private(set) var service:Array<Google.Protobuf.ServiceDescriptorProto>  = Array<Google.Protobuf.ServiceDescriptorProto>()
-    public private(set) var extension_:Array<Google.Protobuf.FieldDescriptorProto>  = Array<Google.Protobuf.FieldDescriptorProto>()
-    required public init() {
-         super.init()
-    }
-    override public func isInitialized() -> Bool {
-      var isInitmessageType:Bool = true
-      for oneElementmessageType in messageType {
-          if (!oneElementmessageType.isInitialized()) {
-              isInitmessageType = false
-              break 
-          }
-      }
-      if !isInitmessageType {
-       return isInitmessageType
-       }
-      var isInitenumType:Bool = true
-      for oneElementenumType in enumType {
-          if (!oneElementenumType.isInitialized()) {
-              isInitenumType = false
-              break 
-          }
-      }
-      if !isInitenumType {
-       return isInitenumType
-       }
-      var isInitservice:Bool = true
-      for oneElementservice in service {
-          if (!oneElementservice.isInitialized()) {
-              isInitservice = false
-              break 
-          }
-      }
-      if !isInitservice {
-       return isInitservice
-       }
-      var isInitextension_:Bool = true
-      for oneElementextension_ in extension_ {
-          if (!oneElementextension_.isInitialized()) {
-              isInitextension_ = false
-              break 
-          }
-      }
-      if !isInitextension_ {
-       return isInitextension_
-       }
-      if hasOptions {
-       if !options.isInitialized() {
-         return false
-       }
-      }
-     return true
-    }
-    override public func writeToCodedOutputStream(output:CodedOutputStream) {
-      if hasName {
-        output.writeString(1, value:name)
-      }
-      if hasPackage {
-        output.writeString(2, value:package)
-      }
-      if !dependency.isEmpty {
-        for oneValuedependency in dependency {
-          output.writeString(3, value:oneValuedependency)
-        }
-      }
-      for oneElementmessageType in messageType {
-          output.writeMessage(4, value:oneElementmessageType)
-      }
-      for oneElementenumType in enumType {
-          output.writeMessage(5, value:oneElementenumType)
-      }
-      for oneElementservice in service {
-          output.writeMessage(6, value:oneElementservice)
-      }
-      for oneElementextension_ in extension_ {
-          output.writeMessage(7, value:oneElementextension_)
-      }
-      if hasOptions {
-        output.writeMessage(8, value:options)
-      }
-      if hasSourceCodeInfo {
-        output.writeMessage(9, value:sourceCodeInfo)
-      }
-      if !publicDependency.isEmpty {
-        for oneValuepublicDependency in publicDependency {
-          output.writeInt32(10, value:oneValuepublicDependency)
-        }
-      }
-      if !weakDependency.isEmpty {
-        for oneValueweakDependency in weakDependency {
-          output.writeInt32(11, value:oneValueweakDependency)
-        }
-      }
-      unknownFields.writeToCodedOutputStream(output)
-    }
-    override public func serializedSize() -> Int32 {
-      var serialize_size:Int32 = memoizedSerializedSize
-      if serialize_size != -1 {
-       return serialize_size
-      }
-
-      serialize_size = 0
-      if hasName {
-        serialize_size += name.computeStringSize(1)
-      }
-      if hasPackage {
-        serialize_size += package.computeStringSize(2)
-      }
-      var dataSizeDependency:Int32 = 0
-      for oneValuedependency in dependency {
-          dataSizeDependency += oneValuedependency.computeStringSizeNoTag()
-      }
-      serialize_size += dataSizeDependency
-      serialize_size += 1 * Int32(dependency.count)
-      for oneElementmessageType in messageType {
-          serialize_size += oneElementmessageType.computeMessageSize(4)
-      }
-      for oneElementenumType in enumType {
-          serialize_size += oneElementenumType.computeMessageSize(5)
-      }
-      for oneElementservice in service {
-          serialize_size += oneElementservice.computeMessageSize(6)
-      }
-      for oneElementextension_ in extension_ {
-          serialize_size += oneElementextension_.computeMessageSize(7)
-      }
-      if hasOptions {
-        serialize_size += options.computeMessageSize(8)
-      }
-      if hasSourceCodeInfo {
-        serialize_size += sourceCodeInfo.computeMessageSize(9)
-      }
-      var dataSizePublicDependency:Int32 = 0
-      for oneValuepublicDependency in publicDependency {
-          dataSizePublicDependency += oneValuepublicDependency.computeInt32SizeNoTag()
-      }
-      serialize_size += dataSizePublicDependency
-      serialize_size += 1 * Int32(publicDependency.count)
-      var dataSizeWeakDependency:Int32 = 0
-      for oneValueweakDependency in weakDependency {
-          dataSizeWeakDependency += oneValueweakDependency.computeInt32SizeNoTag()
-      }
-      serialize_size += dataSizeWeakDependency
-      serialize_size += 1 * Int32(weakDependency.count)
-      serialize_size += unknownFields.serializedSize()
-      memoizedSerializedSize = serialize_size
-      return serialize_size
-    }
-    public class func parseFromData(data:NSData) -> Google.Protobuf.FileDescriptorProto {
-      return Google.Protobuf.FileDescriptorProto.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-    }
-    public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.FileDescriptorProto {
-      return Google.Protobuf.FileDescriptorProto.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.FileDescriptorProto {
-      return Google.Protobuf.FileDescriptorProto.builder().mergeFromInputStream(input).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.FileDescriptorProto {
-      return Google.Protobuf.FileDescriptorProto.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.FileDescriptorProto {
-      return Google.Protobuf.FileDescriptorProto.builder().mergeFromCodedInputStream(input).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.FileDescriptorProto {
-      return Google.Protobuf.FileDescriptorProto.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func builder() -> Google.Protobuf.FileDescriptorProtoBuilder {
-      return Google.Protobuf.FileDescriptorProto.classBuilder() as Google.Protobuf.FileDescriptorProtoBuilder
-    }
-    public func builder() -> Google.Protobuf.FileDescriptorProtoBuilder {
-      return classBuilder() as Google.Protobuf.FileDescriptorProtoBuilder
-    }
-    public override class func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.FileDescriptorProtoBuilder()
-    }
-    public override func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.FileDescriptorProto.builder()
-    }
-    public func toBuilder() -> Google.Protobuf.FileDescriptorProtoBuilder {
-      return Google.Protobuf.FileDescriptorProto.builderWithPrototype(self)
-    }
-    public class func builderWithPrototype(prototype:Google.Protobuf.FileDescriptorProto) -> Google.Protobuf.FileDescriptorProtoBuilder {
-      return Google.Protobuf.FileDescriptorProto.builder().mergeFrom(prototype)
-    }
-    override public func writeDescriptionTo(inout output:String, indent:String) {
-      if hasName {
-        output += "\(indent) name: \(name) \n"
-      }
-      if hasPackage {
-        output += "\(indent) package: \(package) \n"
-      }
-      var dependencyElementIndex:Int = 0
-      for oneValuedependency in dependency  {
-          output += "\(indent) dependency[\(dependencyElementIndex)]: \(oneValuedependency)\n"
-          dependencyElementIndex++
-      }
-      var messageTypeElementIndex:Int = 0
-      for oneElementmessageType in messageType {
-          output += "\(indent) messageType[\(messageTypeElementIndex)] {\n"
-          oneElementmessageType.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          messageTypeElementIndex++
-      }
-      var enumTypeElementIndex:Int = 0
-      for oneElementenumType in enumType {
-          output += "\(indent) enumType[\(enumTypeElementIndex)] {\n"
-          oneElementenumType.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          enumTypeElementIndex++
-      }
-      var serviceElementIndex:Int = 0
-      for oneElementservice in service {
-          output += "\(indent) service[\(serviceElementIndex)] {\n"
-          oneElementservice.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          serviceElementIndex++
-      }
-      var extension_ElementIndex:Int = 0
-      for oneElementextension_ in extension_ {
-          output += "\(indent) extension_[\(extension_ElementIndex)] {\n"
-          oneElementextension_.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          extension_ElementIndex++
-      }
-      if hasOptions {
-        output += "\(indent) options {\n"
-        options.writeDescriptionTo(&output, indent:"\(indent)  ")
-        output += "\(indent) }\n"
-      }
-      if hasSourceCodeInfo {
-        output += "\(indent) sourceCodeInfo {\n"
-        sourceCodeInfo.writeDescriptionTo(&output, indent:"\(indent)  ")
-        output += "\(indent) }\n"
-      }
-      var publicDependencyElementIndex:Int = 0
-      for oneValuepublicDependency in publicDependency  {
-          output += "\(indent) publicDependency[\(publicDependencyElementIndex)]: \(oneValuepublicDependency)\n"
-          publicDependencyElementIndex++
-      }
-      var weakDependencyElementIndex:Int = 0
-      for oneValueweakDependency in weakDependency  {
-          output += "\(indent) weakDependency[\(weakDependencyElementIndex)]: \(oneValueweakDependency)\n"
-          weakDependencyElementIndex++
-      }
-      unknownFields.writeDescriptionTo(&output, indent:indent)
-    }
-    override public var hashValue:Int {
-        get {
-            var hashCode:Int = 7
-            if hasName {
-               hashCode = (hashCode &* 31) &+ name.hashValue
-            }
-            if hasPackage {
-               hashCode = (hashCode &* 31) &+ package.hashValue
-            }
-            for oneValuedependency in dependency {
-                hashCode = (hashCode &* 31) &+ oneValuedependency.hashValue
-            }
-            for oneElementmessageType in messageType {
-                hashCode = (hashCode &* 31) &+ oneElementmessageType.hashValue
-            }
-            for oneElementenumType in enumType {
-                hashCode = (hashCode &* 31) &+ oneElementenumType.hashValue
-            }
-            for oneElementservice in service {
-                hashCode = (hashCode &* 31) &+ oneElementservice.hashValue
-            }
-            for oneElementextension_ in extension_ {
-                hashCode = (hashCode &* 31) &+ oneElementextension_.hashValue
-            }
-            if hasOptions {
-              hashCode = (hashCode &* 31) &+ options.hashValue
-            }
-            if hasSourceCodeInfo {
-              hashCode = (hashCode &* 31) &+ sourceCodeInfo.hashValue
-            }
-            for oneValuepublicDependency in publicDependency {
-                hashCode = (hashCode &* 31) &+ oneValuepublicDependency.hashValue
-            }
-            for oneValueweakDependency in weakDependency {
-                hashCode = (hashCode &* 31) &+ oneValueweakDependency.hashValue
-            }
-            hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-            return hashCode
-        }
-    }
-
-
-    //Meta information declaration start
-
-    override public class func className() -> String {
-        return "Google.Protobuf.FileDescriptorProto"
-    }
-    override public func className() -> String {
-        return "Google.Protobuf.FileDescriptorProto"
-    }
-    override public func classMetaType() -> GeneratedMessage.Type {
-        return Google.Protobuf.FileDescriptorProto.self
-    }
-    //Meta information declaration end
-
-  }
-
-  final public class FileDescriptorProtoBuilder : GeneratedMessageBuilder {
-    private var builderResult:Google.Protobuf.FileDescriptorProto
-
-    required override public init () {
-       builderResult = Google.Protobuf.FileDescriptorProto()
-       super.init()
-    }
-    public var hasName:Bool {
-         get {
-              return builderResult.hasName
-         }
-    }
-    public var name:String {
-         get {
-              return builderResult.name
-         }
-         set (value) {
-             builderResult.hasName = true
-             builderResult.name = value
-         }
-    }
-    public func setName(value:String)-> Google.Protobuf.FileDescriptorProtoBuilder {
-      self.name = value
-      return self
-    }
-    public func clearName() -> Google.Protobuf.FileDescriptorProtoBuilder{
-         builderResult.hasName = false
-         builderResult.name = ""
-         return self
-    }
-    public var hasPackage:Bool {
-         get {
-              return builderResult.hasPackage
-         }
-    }
-    public var package:String {
-         get {
-              return builderResult.package
-         }
-         set (value) {
-             builderResult.hasPackage = true
-             builderResult.package = value
-         }
-    }
-    public func setPackage(value:String)-> Google.Protobuf.FileDescriptorProtoBuilder {
-      self.package = value
-      return self
-    }
-    public func clearPackage() -> Google.Protobuf.FileDescriptorProtoBuilder{
-         builderResult.hasPackage = false
-         builderResult.package = ""
-         return self
-    }
-    public var dependency:Array<String> {
-         get {
-             return builderResult.dependency
-         }
-         set (array) {
-             builderResult.dependency = array
-         }
-    }
-    public func setDependency(value:Array<String>)-> Google.Protobuf.FileDescriptorProtoBuilder {
-      self.dependency = value
-      return self
-    }
-    public func clearDependency() -> Google.Protobuf.FileDescriptorProtoBuilder {
-       builderResult.dependency.removeAll(keepCapacity: false)
-       return self
-    }
-    public var publicDependency:Array<Int32> {
-         get {
-             return builderResult.publicDependency
-         }
-         set (array) {
-             builderResult.publicDependency = array
-         }
-    }
-    public func setPublicDependency(value:Array<Int32>)-> Google.Protobuf.FileDescriptorProtoBuilder {
-      self.publicDependency = value
-      return self
-    }
-    public func clearPublicDependency() -> Google.Protobuf.FileDescriptorProtoBuilder {
-       builderResult.publicDependency.removeAll(keepCapacity: false)
-       return self
-    }
-    public var weakDependency:Array<Int32> {
-         get {
-             return builderResult.weakDependency
-         }
-         set (array) {
-             builderResult.weakDependency = array
-         }
-    }
-    public func setWeakDependency(value:Array<Int32>)-> Google.Protobuf.FileDescriptorProtoBuilder {
-      self.weakDependency = value
-      return self
-    }
-    public func clearWeakDependency() -> Google.Protobuf.FileDescriptorProtoBuilder {
-       builderResult.weakDependency.removeAll(keepCapacity: false)
-       return self
-    }
-    public var messageType:Array<Google.Protobuf.DescriptorProto> {
-         get {
-             return builderResult.messageType
-         }
-         set (value) {
-             builderResult.messageType = value
-         }
-    }
-    public func setMessageType(value:Array<Google.Protobuf.DescriptorProto>)-> Google.Protobuf.FileDescriptorProtoBuilder {
-      self.messageType = value
-      return self
-    }
-    public func clearMessageType() -> Google.Protobuf.FileDescriptorProtoBuilder {
-      builderResult.messageType.removeAll(keepCapacity: false)
-      return self
-    }
-    public var enumType:Array<Google.Protobuf.EnumDescriptorProto> {
-         get {
-             return builderResult.enumType
-         }
-         set (value) {
-             builderResult.enumType = value
-         }
-    }
-    public func setEnumType(value:Array<Google.Protobuf.EnumDescriptorProto>)-> Google.Protobuf.FileDescriptorProtoBuilder {
-      self.enumType = value
-      return self
-    }
-    public func clearEnumType() -> Google.Protobuf.FileDescriptorProtoBuilder {
-      builderResult.enumType.removeAll(keepCapacity: false)
-      return self
-    }
-    public var service:Array<Google.Protobuf.ServiceDescriptorProto> {
-         get {
-             return builderResult.service
-         }
-         set (value) {
-             builderResult.service = value
-         }
-    }
-    public func setService(value:Array<Google.Protobuf.ServiceDescriptorProto>)-> Google.Protobuf.FileDescriptorProtoBuilder {
-      self.service = value
-      return self
-    }
-    public func clearService() -> Google.Protobuf.FileDescriptorProtoBuilder {
-      builderResult.service.removeAll(keepCapacity: false)
-      return self
-    }
-    public var extension_:Array<Google.Protobuf.FieldDescriptorProto> {
-         get {
-             return builderResult.extension_
-         }
-         set (value) {
-             builderResult.extension_ = value
-         }
-    }
-    public func setExtension(value:Array<Google.Protobuf.FieldDescriptorProto>)-> Google.Protobuf.FileDescriptorProtoBuilder {
-      self.extension_ = value
-      return self
-    }
-    public func clearExtension() -> Google.Protobuf.FileDescriptorProtoBuilder {
-      builderResult.extension_.removeAll(keepCapacity: false)
-      return self
-    }
-    public var hasOptions:Bool {
-         get {
-             return builderResult.hasOptions
-         }
-    }
-    public var options:Google.Protobuf.FileOptions {
-         get {
-             return builderResult.options
-         }
-         set (value) {
-             builderResult.hasOptions = true
-             builderResult.options = value
-         }
-    }
-    public func setOptions(value:Google.Protobuf.FileOptions)-> Google.Protobuf.FileDescriptorProtoBuilder {
-      self.options = value
-      return self
-    }
-    public func mergeOptions(value:Google.Protobuf.FileOptions) -> Google.Protobuf.FileDescriptorProtoBuilder {
-      if (builderResult.hasOptions) {
-        builderResult.options = Google.Protobuf.FileOptions.builderWithPrototype(builderResult.options).mergeFrom(value).buildPartial()
-      } else {
-        builderResult.options = value
-      }
-      builderResult.hasOptions = true
-      return self
-    }
-    public func clearOptions() -> Google.Protobuf.FileDescriptorProtoBuilder {
-      builderResult.hasOptions = false
-      builderResult.options = Google.Protobuf.FileOptions()
-      return self
-    }
-    public var hasSourceCodeInfo:Bool {
-         get {
-             return builderResult.hasSourceCodeInfo
-         }
-    }
-    public var sourceCodeInfo:Google.Protobuf.SourceCodeInfo {
-         get {
-             return builderResult.sourceCodeInfo
-         }
-         set (value) {
-             builderResult.hasSourceCodeInfo = true
-             builderResult.sourceCodeInfo = value
-         }
-    }
-    public func setSourceCodeInfo(value:Google.Protobuf.SourceCodeInfo)-> Google.Protobuf.FileDescriptorProtoBuilder {
-      self.sourceCodeInfo = value
-      return self
-    }
-    public func mergeSourceCodeInfo(value:Google.Protobuf.SourceCodeInfo) -> Google.Protobuf.FileDescriptorProtoBuilder {
-      if (builderResult.hasSourceCodeInfo) {
-        builderResult.sourceCodeInfo = Google.Protobuf.SourceCodeInfo.builderWithPrototype(builderResult.sourceCodeInfo).mergeFrom(value).buildPartial()
-      } else {
-        builderResult.sourceCodeInfo = value
-      }
-      builderResult.hasSourceCodeInfo = true
-      return self
-    }
-    public func clearSourceCodeInfo() -> Google.Protobuf.FileDescriptorProtoBuilder {
-      builderResult.hasSourceCodeInfo = false
-      builderResult.sourceCodeInfo = Google.Protobuf.SourceCodeInfo()
-      return self
-    }
-    override public var internalGetResult:GeneratedMessage {
-         get {
-            return builderResult
-         }
-    }
-    public override func clear() -> Google.Protobuf.FileDescriptorProtoBuilder {
-      builderResult = Google.Protobuf.FileDescriptorProto()
-      return self
-    }
-    public override func clone() -> Google.Protobuf.FileDescriptorProtoBuilder {
-      return Google.Protobuf.FileDescriptorProto.builderWithPrototype(builderResult)
-    }
-    public override func build() -> Google.Protobuf.FileDescriptorProto {
-         checkInitialized()
-         return buildPartial()
-    }
-    public func buildPartial() -> Google.Protobuf.FileDescriptorProto {
-      var returnMe:Google.Protobuf.FileDescriptorProto = builderResult
-      return returnMe
-    }
-    public func mergeFrom(other:Google.Protobuf.FileDescriptorProto) -> Google.Protobuf.FileDescriptorProtoBuilder {
-      if (other == Google.Protobuf.FileDescriptorProto()) {
-       return self
-      }
-      if other.hasName {
-           name = other.name
-      }
-      if other.hasPackage {
-           package = other.package
-      }
-      if !other.dependency.isEmpty {
-          builderResult.dependency += other.dependency
-      }
-      if !other.publicDependency.isEmpty {
-          builderResult.publicDependency += other.publicDependency
-      }
-      if !other.weakDependency.isEmpty {
-          builderResult.weakDependency += other.weakDependency
-      }
-      if !other.messageType.isEmpty  {
-         builderResult.messageType += other.messageType
-      }
-      if !other.enumType.isEmpty  {
-         builderResult.enumType += other.enumType
-      }
-      if !other.service.isEmpty  {
-         builderResult.service += other.service
-      }
-      if !other.extension_.isEmpty  {
-         builderResult.extension_ += other.extension_
-      }
-      if (other.hasOptions) {
-          mergeOptions(other.options)
-      }
-      if (other.hasSourceCodeInfo) {
-          mergeSourceCodeInfo(other.sourceCodeInfo)
-      }
-      mergeUnknownFields(other.unknownFields)
-      return self
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.FileDescriptorProtoBuilder {
-         return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.FileDescriptorProtoBuilder {
-      var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-      while (true) {
-        var tag = input.readTag()
-        switch tag {
-        case 0: 
-          self.unknownFields = unknownFieldsBuilder.build()
-          return self
-
-        case 10 :
-          name = input.readString()
-
-        case 18 :
-          package = input.readString()
-
-        case 26 :
-          dependency += [input.readString()]
-
-        case 34 :
-          var subBuilder = Google.Protobuf.DescriptorProto.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          messageType += [subBuilder.buildPartial()]
-
-        case 42 :
-          var subBuilder = Google.Protobuf.EnumDescriptorProto.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          enumType += [subBuilder.buildPartial()]
-
-        case 50 :
-          var subBuilder = Google.Protobuf.ServiceDescriptorProto.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          service += [subBuilder.buildPartial()]
-
-        case 58 :
-          var subBuilder = Google.Protobuf.FieldDescriptorProto.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          extension_ += [subBuilder.buildPartial()]
-
-        case 66 :
-          var subBuilder:Google.Protobuf.FileOptionsBuilder = Google.Protobuf.FileOptions.builder()
-          if hasOptions {
-            subBuilder.mergeFrom(options)
-          }
-          input.readMessage(subBuilder, extensionRegistry:extensionRegistry)
-          options = subBuilder.buildPartial()
-
-        case 74 :
-          var subBuilder:Google.Protobuf.SourceCodeInfoBuilder = Google.Protobuf.SourceCodeInfo.builder()
-          if hasSourceCodeInfo {
-            subBuilder.mergeFrom(sourceCodeInfo)
-          }
-          input.readMessage(subBuilder, extensionRegistry:extensionRegistry)
-          sourceCodeInfo = subBuilder.buildPartial()
-
-        case 80 :
-          publicDependency += [input.readInt32()]
-
-        case 88 :
-          weakDependency += [input.readInt32()]
-
-        default:
-          if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-             unknownFields = unknownFieldsBuilder.build()
-             return self
-          }
-        }
-      }
-    }
-  }
-
-  final public class DescriptorProto : GeneratedMessage, GeneratedMessageProtocol {
-
-
-    //Nested type declaration start
-
-      final public class ExtensionRange : GeneratedMessage, GeneratedMessageProtocol {
-        public private(set) var hasStart:Bool = false
-        public private(set) var start:Int32 = Int32(0)
-
-        public private(set) var hasEnd:Bool = false
-        public private(set) var end:Int32 = Int32(0)
-
-        required public init() {
-             super.init()
-        }
-        override public func isInitialized() -> Bool {
-         return true
-        }
-        override public func writeToCodedOutputStream(output:CodedOutputStream) {
-          if hasStart {
-            output.writeInt32(1, value:start)
-          }
-          if hasEnd {
-            output.writeInt32(2, value:end)
-          }
-          unknownFields.writeToCodedOutputStream(output)
-        }
-        override public func serializedSize() -> Int32 {
-          var serialize_size:Int32 = memoizedSerializedSize
-          if serialize_size != -1 {
-           return serialize_size
-          }
-
-          serialize_size = 0
-          if hasStart {
-            serialize_size += start.computeInt32Size(1)
-          }
-          if hasEnd {
-            serialize_size += end.computeInt32Size(2)
-          }
-          serialize_size += unknownFields.serializedSize()
-          memoizedSerializedSize = serialize_size
-          return serialize_size
-        }
-        public class func parseFromData(data:NSData) -> Google.Protobuf.DescriptorProto.ExtensionRange {
-          return Google.Protobuf.DescriptorProto.ExtensionRange.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-        }
-        public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.DescriptorProto.ExtensionRange {
-          return Google.Protobuf.DescriptorProto.ExtensionRange.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-        }
-        public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.DescriptorProto.ExtensionRange {
-          return Google.Protobuf.DescriptorProto.ExtensionRange.builder().mergeFromInputStream(input).build()
-        }
-        public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.DescriptorProto.ExtensionRange {
-          return Google.Protobuf.DescriptorProto.ExtensionRange.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-        }
-        public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.DescriptorProto.ExtensionRange {
-          return Google.Protobuf.DescriptorProto.ExtensionRange.builder().mergeFromCodedInputStream(input).build()
-        }
-        public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.DescriptorProto.ExtensionRange {
-          return Google.Protobuf.DescriptorProto.ExtensionRange.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-        }
-        public class func builder() -> Google.Protobuf.DescriptorProto.ExtensionRangeBuilder {
-          return Google.Protobuf.DescriptorProto.ExtensionRange.classBuilder() as Google.Protobuf.DescriptorProto.ExtensionRangeBuilder
-        }
-        public func builder() -> Google.Protobuf.DescriptorProto.ExtensionRangeBuilder {
-          return classBuilder() as Google.Protobuf.DescriptorProto.ExtensionRangeBuilder
-        }
-        public override class func classBuilder() -> MessageBuilder {
-          return Google.Protobuf.DescriptorProto.ExtensionRangeBuilder()
-        }
-        public override func classBuilder() -> MessageBuilder {
-          return Google.Protobuf.DescriptorProto.ExtensionRange.builder()
-        }
-        public func toBuilder() -> Google.Protobuf.DescriptorProto.ExtensionRangeBuilder {
-          return Google.Protobuf.DescriptorProto.ExtensionRange.builderWithPrototype(self)
-        }
-        public class func builderWithPrototype(prototype:Google.Protobuf.DescriptorProto.ExtensionRange) -> Google.Protobuf.DescriptorProto.ExtensionRangeBuilder {
-          return Google.Protobuf.DescriptorProto.ExtensionRange.builder().mergeFrom(prototype)
-        }
-        override public func writeDescriptionTo(inout output:String, indent:String) {
-          if hasStart {
-            output += "\(indent) start: \(start) \n"
-          }
-          if hasEnd {
-            output += "\(indent) end: \(end) \n"
-          }
-          unknownFields.writeDescriptionTo(&output, indent:indent)
-        }
-        override public var hashValue:Int {
-            get {
-                var hashCode:Int = 7
-                if hasStart {
-                   hashCode = (hashCode &* 31) &+ start.hashValue
-                }
-                if hasEnd {
-                   hashCode = (hashCode &* 31) &+ end.hashValue
-                }
-                hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-                return hashCode
-            }
-        }
-
-
-        //Meta information declaration start
-
-        override public class func className() -> String {
-            return "Google.Protobuf.DescriptorProto.ExtensionRange"
-        }
-        override public func className() -> String {
-            return "Google.Protobuf.DescriptorProto.ExtensionRange"
-        }
-        override public func classMetaType() -> GeneratedMessage.Type {
-            return Google.Protobuf.DescriptorProto.ExtensionRange.self
-        }
-        //Meta information declaration end
-
-      }
-
-      final public class ExtensionRangeBuilder : GeneratedMessageBuilder {
-        private var builderResult:Google.Protobuf.DescriptorProto.ExtensionRange
-
-        required override public init () {
-           builderResult = Google.Protobuf.DescriptorProto.ExtensionRange()
-           super.init()
-        }
-        public var hasStart:Bool {
-             get {
-                  return builderResult.hasStart
-             }
-        }
-        public var start:Int32 {
-             get {
-                  return builderResult.start
-             }
-             set (value) {
-                 builderResult.hasStart = true
-                 builderResult.start = value
-             }
-        }
-        public func setStart(value:Int32)-> Google.Protobuf.DescriptorProto.ExtensionRangeBuilder {
-          self.start = value
-          return self
-        }
-        public func clearStart() -> Google.Protobuf.DescriptorProto.ExtensionRangeBuilder{
-             builderResult.hasStart = false
-             builderResult.start = Int32(0)
-             return self
-        }
-        public var hasEnd:Bool {
-             get {
-                  return builderResult.hasEnd
-             }
-        }
-        public var end:Int32 {
-             get {
-                  return builderResult.end
-             }
-             set (value) {
-                 builderResult.hasEnd = true
-                 builderResult.end = value
-             }
-        }
-        public func setEnd(value:Int32)-> Google.Protobuf.DescriptorProto.ExtensionRangeBuilder {
-          self.end = value
-          return self
-        }
-        public func clearEnd() -> Google.Protobuf.DescriptorProto.ExtensionRangeBuilder{
-             builderResult.hasEnd = false
-             builderResult.end = Int32(0)
-             return self
-        }
-        override public var internalGetResult:GeneratedMessage {
-             get {
-                return builderResult
-             }
-        }
-        public override func clear() -> Google.Protobuf.DescriptorProto.ExtensionRangeBuilder {
-          builderResult = Google.Protobuf.DescriptorProto.ExtensionRange()
-          return self
-        }
-        public override func clone() -> Google.Protobuf.DescriptorProto.ExtensionRangeBuilder {
-          return Google.Protobuf.DescriptorProto.ExtensionRange.builderWithPrototype(builderResult)
-        }
-        public override func build() -> Google.Protobuf.DescriptorProto.ExtensionRange {
-             checkInitialized()
-             return buildPartial()
-        }
-        public func buildPartial() -> Google.Protobuf.DescriptorProto.ExtensionRange {
-          var returnMe:Google.Protobuf.DescriptorProto.ExtensionRange = builderResult
-          return returnMe
-        }
-        public func mergeFrom(other:Google.Protobuf.DescriptorProto.ExtensionRange) -> Google.Protobuf.DescriptorProto.ExtensionRangeBuilder {
-          if (other == Google.Protobuf.DescriptorProto.ExtensionRange()) {
-           return self
-          }
-          if other.hasStart {
-               start = other.start
-          }
-          if other.hasEnd {
-               end = other.end
-          }
-          mergeUnknownFields(other.unknownFields)
-          return self
-        }
-        public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.DescriptorProto.ExtensionRangeBuilder {
-             return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-        }
-        public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.DescriptorProto.ExtensionRangeBuilder {
-          var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-          while (true) {
-            var tag = input.readTag()
-            switch tag {
-            case 0: 
-              self.unknownFields = unknownFieldsBuilder.build()
-              return self
-
-            case 8 :
-              start = input.readInt32()
-
-            case 16 :
-              end = input.readInt32()
-
-            default:
-              if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-                 unknownFields = unknownFieldsBuilder.build()
-                 return self
-              }
-            }
-          }
-        }
-      }
-
-    //Nested type declaration end
-
-    public private(set) var hasName:Bool = false
-    public private(set) var name:String = ""
-
-    public private(set) var hasOptions:Bool = false
-    public private(set) var options:Google.Protobuf.MessageOptions = Google.Protobuf.MessageOptions()
-    public private(set) var field:Array<Google.Protobuf.FieldDescriptorProto>  = Array<Google.Protobuf.FieldDescriptorProto>()
-    public private(set) var extension_:Array<Google.Protobuf.FieldDescriptorProto>  = Array<Google.Protobuf.FieldDescriptorProto>()
-    public private(set) var nestedType:Array<Google.Protobuf.DescriptorProto>  = Array<Google.Protobuf.DescriptorProto>()
-    public private(set) var enumType:Array<Google.Protobuf.EnumDescriptorProto>  = Array<Google.Protobuf.EnumDescriptorProto>()
-    public private(set) var extensionRange:Array<Google.Protobuf.DescriptorProto.ExtensionRange>  = Array<Google.Protobuf.DescriptorProto.ExtensionRange>()
-    public private(set) var oneofDecl:Array<Google.Protobuf.OneofDescriptorProto>  = Array<Google.Protobuf.OneofDescriptorProto>()
-    required public init() {
-         super.init()
-    }
-    override public func isInitialized() -> Bool {
-      var isInitfield:Bool = true
-      for oneElementfield in field {
-          if (!oneElementfield.isInitialized()) {
-              isInitfield = false
-              break 
-          }
-      }
-      if !isInitfield {
-       return isInitfield
-       }
-      var isInitextension_:Bool = true
-      for oneElementextension_ in extension_ {
-          if (!oneElementextension_.isInitialized()) {
-              isInitextension_ = false
-              break 
-          }
-      }
-      if !isInitextension_ {
-       return isInitextension_
-       }
-      var isInitnestedType:Bool = true
-      for oneElementnestedType in nestedType {
-          if (!oneElementnestedType.isInitialized()) {
-              isInitnestedType = false
-              break 
-          }
-      }
-      if !isInitnestedType {
-       return isInitnestedType
-       }
-      var isInitenumType:Bool = true
-      for oneElementenumType in enumType {
-          if (!oneElementenumType.isInitialized()) {
-              isInitenumType = false
-              break 
-          }
-      }
-      if !isInitenumType {
-       return isInitenumType
-       }
-      if hasOptions {
-       if !options.isInitialized() {
-         return false
-       }
-      }
-     return true
-    }
-    override public func writeToCodedOutputStream(output:CodedOutputStream) {
-      if hasName {
-        output.writeString(1, value:name)
-      }
-      for oneElementfield in field {
-          output.writeMessage(2, value:oneElementfield)
-      }
-      for oneElementnestedType in nestedType {
-          output.writeMessage(3, value:oneElementnestedType)
-      }
-      for oneElementenumType in enumType {
-          output.writeMessage(4, value:oneElementenumType)
-      }
-      for oneElementextensionRange in extensionRange {
-          output.writeMessage(5, value:oneElementextensionRange)
-      }
-      for oneElementextension_ in extension_ {
-          output.writeMessage(6, value:oneElementextension_)
-      }
-      if hasOptions {
-        output.writeMessage(7, value:options)
-      }
-      for oneElementoneofDecl in oneofDecl {
-          output.writeMessage(8, value:oneElementoneofDecl)
-      }
-      unknownFields.writeToCodedOutputStream(output)
-    }
-    override public func serializedSize() -> Int32 {
-      var serialize_size:Int32 = memoizedSerializedSize
-      if serialize_size != -1 {
-       return serialize_size
-      }
-
-      serialize_size = 0
-      if hasName {
-        serialize_size += name.computeStringSize(1)
-      }
-      for oneElementfield in field {
-          serialize_size += oneElementfield.computeMessageSize(2)
-      }
-      for oneElementnestedType in nestedType {
-          serialize_size += oneElementnestedType.computeMessageSize(3)
-      }
-      for oneElementenumType in enumType {
-          serialize_size += oneElementenumType.computeMessageSize(4)
-      }
-      for oneElementextensionRange in extensionRange {
-          serialize_size += oneElementextensionRange.computeMessageSize(5)
-      }
-      for oneElementextension_ in extension_ {
-          serialize_size += oneElementextension_.computeMessageSize(6)
-      }
-      if hasOptions {
-        serialize_size += options.computeMessageSize(7)
-      }
-      for oneElementoneofDecl in oneofDecl {
-          serialize_size += oneElementoneofDecl.computeMessageSize(8)
-      }
-      serialize_size += unknownFields.serializedSize()
-      memoizedSerializedSize = serialize_size
-      return serialize_size
-    }
-    public class func parseFromData(data:NSData) -> Google.Protobuf.DescriptorProto {
-      return Google.Protobuf.DescriptorProto.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-    }
-    public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.DescriptorProto {
-      return Google.Protobuf.DescriptorProto.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.DescriptorProto {
-      return Google.Protobuf.DescriptorProto.builder().mergeFromInputStream(input).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.DescriptorProto {
-      return Google.Protobuf.DescriptorProto.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.DescriptorProto {
-      return Google.Protobuf.DescriptorProto.builder().mergeFromCodedInputStream(input).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.DescriptorProto {
-      return Google.Protobuf.DescriptorProto.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func builder() -> Google.Protobuf.DescriptorProtoBuilder {
-      return Google.Protobuf.DescriptorProto.classBuilder() as Google.Protobuf.DescriptorProtoBuilder
-    }
-    public func builder() -> Google.Protobuf.DescriptorProtoBuilder {
-      return classBuilder() as Google.Protobuf.DescriptorProtoBuilder
-    }
-    public override class func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.DescriptorProtoBuilder()
-    }
-    public override func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.DescriptorProto.builder()
-    }
-    public func toBuilder() -> Google.Protobuf.DescriptorProtoBuilder {
-      return Google.Protobuf.DescriptorProto.builderWithPrototype(self)
-    }
-    public class func builderWithPrototype(prototype:Google.Protobuf.DescriptorProto) -> Google.Protobuf.DescriptorProtoBuilder {
-      return Google.Protobuf.DescriptorProto.builder().mergeFrom(prototype)
-    }
-    override public func writeDescriptionTo(inout output:String, indent:String) {
-      if hasName {
-        output += "\(indent) name: \(name) \n"
-      }
-      var fieldElementIndex:Int = 0
-      for oneElementfield in field {
-          output += "\(indent) field[\(fieldElementIndex)] {\n"
-          oneElementfield.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          fieldElementIndex++
-      }
-      var nestedTypeElementIndex:Int = 0
-      for oneElementnestedType in nestedType {
-          output += "\(indent) nestedType[\(nestedTypeElementIndex)] {\n"
-          oneElementnestedType.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          nestedTypeElementIndex++
-      }
-      var enumTypeElementIndex:Int = 0
-      for oneElementenumType in enumType {
-          output += "\(indent) enumType[\(enumTypeElementIndex)] {\n"
-          oneElementenumType.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          enumTypeElementIndex++
-      }
-      var extensionRangeElementIndex:Int = 0
-      for oneElementextensionRange in extensionRange {
-          output += "\(indent) extensionRange[\(extensionRangeElementIndex)] {\n"
-          oneElementextensionRange.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          extensionRangeElementIndex++
-      }
-      var extension_ElementIndex:Int = 0
-      for oneElementextension_ in extension_ {
-          output += "\(indent) extension_[\(extension_ElementIndex)] {\n"
-          oneElementextension_.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          extension_ElementIndex++
-      }
-      if hasOptions {
-        output += "\(indent) options {\n"
-        options.writeDescriptionTo(&output, indent:"\(indent)  ")
-        output += "\(indent) }\n"
-      }
-      var oneofDeclElementIndex:Int = 0
-      for oneElementoneofDecl in oneofDecl {
-          output += "\(indent) oneofDecl[\(oneofDeclElementIndex)] {\n"
-          oneElementoneofDecl.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          oneofDeclElementIndex++
-      }
-      unknownFields.writeDescriptionTo(&output, indent:indent)
-    }
-    override public var hashValue:Int {
-        get {
-            var hashCode:Int = 7
-            if hasName {
-               hashCode = (hashCode &* 31) &+ name.hashValue
-            }
-            for oneElementfield in field {
-                hashCode = (hashCode &* 31) &+ oneElementfield.hashValue
-            }
-            for oneElementnestedType in nestedType {
-                hashCode = (hashCode &* 31) &+ oneElementnestedType.hashValue
-            }
-            for oneElementenumType in enumType {
-                hashCode = (hashCode &* 31) &+ oneElementenumType.hashValue
-            }
-            for oneElementextensionRange in extensionRange {
-                hashCode = (hashCode &* 31) &+ oneElementextensionRange.hashValue
-            }
-            for oneElementextension_ in extension_ {
-                hashCode = (hashCode &* 31) &+ oneElementextension_.hashValue
-            }
-            if hasOptions {
-              hashCode = (hashCode &* 31) &+ options.hashValue
-            }
-            for oneElementoneofDecl in oneofDecl {
-                hashCode = (hashCode &* 31) &+ oneElementoneofDecl.hashValue
-            }
-            hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-            return hashCode
-        }
-    }
-
-
-    //Meta information declaration start
-
-    override public class func className() -> String {
-        return "Google.Protobuf.DescriptorProto"
-    }
-    override public func className() -> String {
-        return "Google.Protobuf.DescriptorProto"
-    }
-    override public func classMetaType() -> GeneratedMessage.Type {
-        return Google.Protobuf.DescriptorProto.self
-    }
-    //Meta information declaration end
-
-  }
-
-  final public class DescriptorProtoBuilder : GeneratedMessageBuilder {
-    private var builderResult:Google.Protobuf.DescriptorProto
-
-    required override public init () {
-       builderResult = Google.Protobuf.DescriptorProto()
-       super.init()
-    }
-    public var hasName:Bool {
-         get {
-              return builderResult.hasName
-         }
-    }
-    public var name:String {
-         get {
-              return builderResult.name
-         }
-         set (value) {
-             builderResult.hasName = true
-             builderResult.name = value
-         }
-    }
-    public func setName(value:String)-> Google.Protobuf.DescriptorProtoBuilder {
-      self.name = value
-      return self
-    }
-    public func clearName() -> Google.Protobuf.DescriptorProtoBuilder{
-         builderResult.hasName = false
-         builderResult.name = ""
-         return self
-    }
-    public var field:Array<Google.Protobuf.FieldDescriptorProto> {
-         get {
-             return builderResult.field
-         }
-         set (value) {
-             builderResult.field = value
-         }
-    }
-    public func setField(value:Array<Google.Protobuf.FieldDescriptorProto>)-> Google.Protobuf.DescriptorProtoBuilder {
-      self.field = value
-      return self
-    }
-    public func clearField() -> Google.Protobuf.DescriptorProtoBuilder {
-      builderResult.field.removeAll(keepCapacity: false)
-      return self
-    }
-    public var extension_:Array<Google.Protobuf.FieldDescriptorProto> {
-         get {
-             return builderResult.extension_
-         }
-         set (value) {
-             builderResult.extension_ = value
-         }
-    }
-    public func setExtension(value:Array<Google.Protobuf.FieldDescriptorProto>)-> Google.Protobuf.DescriptorProtoBuilder {
-      self.extension_ = value
-      return self
-    }
-    public func clearExtension() -> Google.Protobuf.DescriptorProtoBuilder {
-      builderResult.extension_.removeAll(keepCapacity: false)
-      return self
-    }
-    public var nestedType:Array<Google.Protobuf.DescriptorProto> {
-         get {
-             return builderResult.nestedType
-         }
-         set (value) {
-             builderResult.nestedType = value
-         }
-    }
-    public func setNestedType(value:Array<Google.Protobuf.DescriptorProto>)-> Google.Protobuf.DescriptorProtoBuilder {
-      self.nestedType = value
-      return self
-    }
-    public func clearNestedType() -> Google.Protobuf.DescriptorProtoBuilder {
-      builderResult.nestedType.removeAll(keepCapacity: false)
-      return self
-    }
-    public var enumType:Array<Google.Protobuf.EnumDescriptorProto> {
-         get {
-             return builderResult.enumType
-         }
-         set (value) {
-             builderResult.enumType = value
-         }
-    }
-    public func setEnumType(value:Array<Google.Protobuf.EnumDescriptorProto>)-> Google.Protobuf.DescriptorProtoBuilder {
-      self.enumType = value
-      return self
-    }
-    public func clearEnumType() -> Google.Protobuf.DescriptorProtoBuilder {
-      builderResult.enumType.removeAll(keepCapacity: false)
-      return self
-    }
-    public var extensionRange:Array<Google.Protobuf.DescriptorProto.ExtensionRange> {
-         get {
-             return builderResult.extensionRange
-         }
-         set (value) {
-             builderResult.extensionRange = value
-         }
-    }
-    public func setExtensionRange(value:Array<Google.Protobuf.DescriptorProto.ExtensionRange>)-> Google.Protobuf.DescriptorProtoBuilder {
-      self.extensionRange = value
-      return self
-    }
-    public func clearExtensionRange() -> Google.Protobuf.DescriptorProtoBuilder {
-      builderResult.extensionRange.removeAll(keepCapacity: false)
-      return self
-    }
-    public var oneofDecl:Array<Google.Protobuf.OneofDescriptorProto> {
-         get {
-             return builderResult.oneofDecl
-         }
-         set (value) {
-             builderResult.oneofDecl = value
-         }
-    }
-    public func setOneofDecl(value:Array<Google.Protobuf.OneofDescriptorProto>)-> Google.Protobuf.DescriptorProtoBuilder {
-      self.oneofDecl = value
-      return self
-    }
-    public func clearOneofDecl() -> Google.Protobuf.DescriptorProtoBuilder {
-      builderResult.oneofDecl.removeAll(keepCapacity: false)
-      return self
-    }
-    public var hasOptions:Bool {
-         get {
-             return builderResult.hasOptions
-         }
-    }
-    public var options:Google.Protobuf.MessageOptions {
-         get {
-             return builderResult.options
-         }
-         set (value) {
-             builderResult.hasOptions = true
-             builderResult.options = value
-         }
-    }
-    public func setOptions(value:Google.Protobuf.MessageOptions)-> Google.Protobuf.DescriptorProtoBuilder {
-      self.options = value
-      return self
-    }
-    public func mergeOptions(value:Google.Protobuf.MessageOptions) -> Google.Protobuf.DescriptorProtoBuilder {
-      if (builderResult.hasOptions) {
-        builderResult.options = Google.Protobuf.MessageOptions.builderWithPrototype(builderResult.options).mergeFrom(value).buildPartial()
-      } else {
-        builderResult.options = value
-      }
-      builderResult.hasOptions = true
-      return self
-    }
-    public func clearOptions() -> Google.Protobuf.DescriptorProtoBuilder {
-      builderResult.hasOptions = false
-      builderResult.options = Google.Protobuf.MessageOptions()
-      return self
-    }
-    override public var internalGetResult:GeneratedMessage {
-         get {
-            return builderResult
-         }
-    }
-    public override func clear() -> Google.Protobuf.DescriptorProtoBuilder {
-      builderResult = Google.Protobuf.DescriptorProto()
-      return self
-    }
-    public override func clone() -> Google.Protobuf.DescriptorProtoBuilder {
-      return Google.Protobuf.DescriptorProto.builderWithPrototype(builderResult)
-    }
-    public override func build() -> Google.Protobuf.DescriptorProto {
-         checkInitialized()
-         return buildPartial()
-    }
-    public func buildPartial() -> Google.Protobuf.DescriptorProto {
-      var returnMe:Google.Protobuf.DescriptorProto = builderResult
-      return returnMe
-    }
-    public func mergeFrom(other:Google.Protobuf.DescriptorProto) -> Google.Protobuf.DescriptorProtoBuilder {
-      if (other == Google.Protobuf.DescriptorProto()) {
-       return self
-      }
-      if other.hasName {
-           name = other.name
-      }
-      if !other.field.isEmpty  {
-         builderResult.field += other.field
-      }
-      if !other.extension_.isEmpty  {
-         builderResult.extension_ += other.extension_
-      }
-      if !other.nestedType.isEmpty  {
-         builderResult.nestedType += other.nestedType
-      }
-      if !other.enumType.isEmpty  {
-         builderResult.enumType += other.enumType
-      }
-      if !other.extensionRange.isEmpty  {
-         builderResult.extensionRange += other.extensionRange
-      }
-      if !other.oneofDecl.isEmpty  {
-         builderResult.oneofDecl += other.oneofDecl
-      }
-      if (other.hasOptions) {
-          mergeOptions(other.options)
-      }
-      mergeUnknownFields(other.unknownFields)
-      return self
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.DescriptorProtoBuilder {
-         return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.DescriptorProtoBuilder {
-      var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-      while (true) {
-        var tag = input.readTag()
-        switch tag {
-        case 0: 
-          self.unknownFields = unknownFieldsBuilder.build()
-          return self
-
-        case 10 :
-          name = input.readString()
-
-        case 18 :
-          var subBuilder = Google.Protobuf.FieldDescriptorProto.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          field += [subBuilder.buildPartial()]
-
-        case 26 :
-          var subBuilder = Google.Protobuf.DescriptorProto.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          nestedType += [subBuilder.buildPartial()]
-
-        case 34 :
-          var subBuilder = Google.Protobuf.EnumDescriptorProto.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          enumType += [subBuilder.buildPartial()]
-
-        case 42 :
-          var subBuilder = Google.Protobuf.DescriptorProto.ExtensionRange.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          extensionRange += [subBuilder.buildPartial()]
-
-        case 50 :
-          var subBuilder = Google.Protobuf.FieldDescriptorProto.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          extension_ += [subBuilder.buildPartial()]
-
-        case 58 :
-          var subBuilder:Google.Protobuf.MessageOptionsBuilder = Google.Protobuf.MessageOptions.builder()
-          if hasOptions {
-            subBuilder.mergeFrom(options)
-          }
-          input.readMessage(subBuilder, extensionRegistry:extensionRegistry)
-          options = subBuilder.buildPartial()
-
-        case 66 :
-          var subBuilder = Google.Protobuf.OneofDescriptorProto.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          oneofDecl += [subBuilder.buildPartial()]
-
-        default:
-          if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-             unknownFields = unknownFieldsBuilder.build()
-             return self
-          }
-        }
-      }
-    }
-  }
-
-  final public class FieldDescriptorProto : GeneratedMessage, GeneratedMessageProtocol {
-
-
-      //Enum type declaration start 
-
-      public enum Types:Int32 {
-        case TypeDouble = 1
-        case TypeFloat = 2
-        case TypeInt64 = 3
-        case TypeUint64 = 4
-        case TypeInt32 = 5
-        case TypeFixed64 = 6
-        case TypeFixed32 = 7
-        case TypeBool = 8
-        case TypeString = 9
-        case TypeGroup = 10
-        case TypeMessage = 11
-        case TypeBytes = 12
-        case TypeUint32 = 13
-        case TypeEnum = 14
-        case TypeSfixed32 = 15
-        case TypeSfixed64 = 16
-        case TypeSint32 = 17
-        case TypeSint64 = 18
-
-      }
-
-      //Enum type declaration end 
-
-
-
-      //Enum type declaration start 
-
-      public enum Label:Int32 {
-        case LabelOptional = 1
-        case LabelRequired = 2
-        case LabelRepeated = 3
-
-      }
-
-      //Enum type declaration end 
-
-    public private(set) var hasName:Bool = false
-    public private(set) var name:String = ""
-
-    public private(set) var hasNumber:Bool = false
-    public private(set) var number:Int32 = Int32(0)
-
-    public private(set) var label:Google.Protobuf.FieldDescriptorProto.Label = Google.Protobuf.FieldDescriptorProto.Label.LabelOptional
-    public private(set) var hasLabel:Bool = false
-    public private(set) var types:Google.Protobuf.FieldDescriptorProto.Types = Google.Protobuf.FieldDescriptorProto.Types.TypeDouble
-    public private(set) var hasTypes:Bool = false
-    public private(set) var hasTypeName:Bool = false
-    public private(set) var typeName:String = ""
-
-    public private(set) var hasExtendee:Bool = false
-    public private(set) var extendee:String = ""
-
-    public private(set) var hasDefaultValue:Bool = false
-    public private(set) var defaultValue:String = ""
-
-    public private(set) var hasOneofIndex:Bool = false
-    public private(set) var oneofIndex:Int32 = Int32(0)
-
-    public private(set) var hasOptions:Bool = false
-    public private(set) var options:Google.Protobuf.FieldOptions = Google.Protobuf.FieldOptions()
-    required public init() {
-         super.init()
-    }
-    override public func isInitialized() -> Bool {
-      if hasOptions {
-       if !options.isInitialized() {
-         return false
-       }
-      }
-     return true
-    }
-    override public func writeToCodedOutputStream(output:CodedOutputStream) {
-      if hasName {
-        output.writeString(1, value:name)
-      }
-      if hasExtendee {
-        output.writeString(2, value:extendee)
-      }
-      if hasNumber {
-        output.writeInt32(3, value:number)
-      }
-      if hasLabel {
-        output.writeEnum(4, value:label.rawValue)
-      }
-      if hasTypes {
-        output.writeEnum(5, value:types.rawValue)
-      }
-      if hasTypeName {
-        output.writeString(6, value:typeName)
-      }
-      if hasDefaultValue {
-        output.writeString(7, value:defaultValue)
-      }
-      if hasOptions {
-        output.writeMessage(8, value:options)
-      }
-      if hasOneofIndex {
-        output.writeInt32(9, value:oneofIndex)
-      }
-      unknownFields.writeToCodedOutputStream(output)
-    }
-    override public func serializedSize() -> Int32 {
-      var serialize_size:Int32 = memoizedSerializedSize
-      if serialize_size != -1 {
-       return serialize_size
-      }
-
-      serialize_size = 0
-      if hasName {
-        serialize_size += name.computeStringSize(1)
-      }
-      if hasExtendee {
-        serialize_size += extendee.computeStringSize(2)
-      }
-      if hasNumber {
-        serialize_size += number.computeInt32Size(3)
-      }
-      if (hasLabel) {
-        serialize_size += label.rawValue.computeEnumSize(4)
-      }
-      if (hasTypes) {
-        serialize_size += types.rawValue.computeEnumSize(5)
-      }
-      if hasTypeName {
-        serialize_size += typeName.computeStringSize(6)
-      }
-      if hasDefaultValue {
-        serialize_size += defaultValue.computeStringSize(7)
-      }
-      if hasOptions {
-        serialize_size += options.computeMessageSize(8)
-      }
-      if hasOneofIndex {
-        serialize_size += oneofIndex.computeInt32Size(9)
-      }
-      serialize_size += unknownFields.serializedSize()
-      memoizedSerializedSize = serialize_size
-      return serialize_size
-    }
-    public class func parseFromData(data:NSData) -> Google.Protobuf.FieldDescriptorProto {
-      return Google.Protobuf.FieldDescriptorProto.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-    }
-    public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.FieldDescriptorProto {
-      return Google.Protobuf.FieldDescriptorProto.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.FieldDescriptorProto {
-      return Google.Protobuf.FieldDescriptorProto.builder().mergeFromInputStream(input).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.FieldDescriptorProto {
-      return Google.Protobuf.FieldDescriptorProto.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.FieldDescriptorProto {
-      return Google.Protobuf.FieldDescriptorProto.builder().mergeFromCodedInputStream(input).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.FieldDescriptorProto {
-      return Google.Protobuf.FieldDescriptorProto.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func builder() -> Google.Protobuf.FieldDescriptorProtoBuilder {
-      return Google.Protobuf.FieldDescriptorProto.classBuilder() as Google.Protobuf.FieldDescriptorProtoBuilder
-    }
-    public func builder() -> Google.Protobuf.FieldDescriptorProtoBuilder {
-      return classBuilder() as Google.Protobuf.FieldDescriptorProtoBuilder
-    }
-    public override class func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.FieldDescriptorProtoBuilder()
-    }
-    public override func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.FieldDescriptorProto.builder()
-    }
-    public func toBuilder() -> Google.Protobuf.FieldDescriptorProtoBuilder {
-      return Google.Protobuf.FieldDescriptorProto.builderWithPrototype(self)
-    }
-    public class func builderWithPrototype(prototype:Google.Protobuf.FieldDescriptorProto) -> Google.Protobuf.FieldDescriptorProtoBuilder {
-      return Google.Protobuf.FieldDescriptorProto.builder().mergeFrom(prototype)
-    }
-    override public func writeDescriptionTo(inout output:String, indent:String) {
-      if hasName {
-        output += "\(indent) name: \(name) \n"
-      }
-      if hasExtendee {
-        output += "\(indent) extendee: \(extendee) \n"
-      }
-      if hasNumber {
-        output += "\(indent) number: \(number) \n"
-      }
-      if (hasLabel) {
-        output += "\(indent) label: \(label.rawValue)\n"
-      }
-      if (hasTypes) {
-        output += "\(indent) types: \(types.rawValue)\n"
-      }
-      if hasTypeName {
-        output += "\(indent) typeName: \(typeName) \n"
-      }
-      if hasDefaultValue {
-        output += "\(indent) defaultValue: \(defaultValue) \n"
-      }
-      if hasOptions {
-        output += "\(indent) options {\n"
-        options.writeDescriptionTo(&output, indent:"\(indent)  ")
-        output += "\(indent) }\n"
-      }
-      if hasOneofIndex {
-        output += "\(indent) oneofIndex: \(oneofIndex) \n"
-      }
-      unknownFields.writeDescriptionTo(&output, indent:indent)
-    }
-    override public var hashValue:Int {
-        get {
-            var hashCode:Int = 7
-            if hasName {
-               hashCode = (hashCode &* 31) &+ name.hashValue
-            }
-            if hasExtendee {
-               hashCode = (hashCode &* 31) &+ extendee.hashValue
-            }
-            if hasNumber {
-               hashCode = (hashCode &* 31) &+ number.hashValue
-            }
-            if hasLabel {
-               hashCode = (hashCode &* 31) &+ Int(label.rawValue)
-            }
-            if hasTypes {
-               hashCode = (hashCode &* 31) &+ Int(types.rawValue)
-            }
-            if hasTypeName {
-               hashCode = (hashCode &* 31) &+ typeName.hashValue
-            }
-            if hasDefaultValue {
-               hashCode = (hashCode &* 31) &+ defaultValue.hashValue
-            }
-            if hasOptions {
-              hashCode = (hashCode &* 31) &+ options.hashValue
-            }
-            if hasOneofIndex {
-               hashCode = (hashCode &* 31) &+ oneofIndex.hashValue
-            }
-            hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-            return hashCode
-        }
-    }
-
-
-    //Meta information declaration start
-
-    override public class func className() -> String {
-        return "Google.Protobuf.FieldDescriptorProto"
-    }
-    override public func className() -> String {
-        return "Google.Protobuf.FieldDescriptorProto"
-    }
-    override public func classMetaType() -> GeneratedMessage.Type {
-        return Google.Protobuf.FieldDescriptorProto.self
-    }
-    //Meta information declaration end
-
-  }
-
-  final public class FieldDescriptorProtoBuilder : GeneratedMessageBuilder {
-    private var builderResult:Google.Protobuf.FieldDescriptorProto
-
-    required override public init () {
-       builderResult = Google.Protobuf.FieldDescriptorProto()
-       super.init()
-    }
-    public var hasName:Bool {
-         get {
-              return builderResult.hasName
-         }
-    }
-    public var name:String {
-         get {
-              return builderResult.name
-         }
-         set (value) {
-             builderResult.hasName = true
-             builderResult.name = value
-         }
-    }
-    public func setName(value:String)-> Google.Protobuf.FieldDescriptorProtoBuilder {
-      self.name = value
-      return self
-    }
-    public func clearName() -> Google.Protobuf.FieldDescriptorProtoBuilder{
-         builderResult.hasName = false
-         builderResult.name = ""
-         return self
-    }
-    public var hasNumber:Bool {
-         get {
-              return builderResult.hasNumber
-         }
-    }
-    public var number:Int32 {
-         get {
-              return builderResult.number
-         }
-         set (value) {
-             builderResult.hasNumber = true
-             builderResult.number = value
-         }
-    }
-    public func setNumber(value:Int32)-> Google.Protobuf.FieldDescriptorProtoBuilder {
-      self.number = value
-      return self
-    }
-    public func clearNumber() -> Google.Protobuf.FieldDescriptorProtoBuilder{
-         builderResult.hasNumber = false
-         builderResult.number = Int32(0)
-         return self
-    }
-      public var hasLabel:Bool{
-          get {
-              return builderResult.hasLabel
-          }
-      }
-      public var label:Google.Protobuf.FieldDescriptorProto.Label {
-          get {
-              return builderResult.label
-          }
-          set (value) {
-              builderResult.hasLabel = true
-              builderResult.label = value
-          }
-      }
-      public func setLabel(value:Google.Protobuf.FieldDescriptorProto.Label)-> Google.Protobuf.FieldDescriptorProtoBuilder {
-        self.label = value
-        return self
-      }
-      public func clearLabel() -> Google.Protobuf.FieldDescriptorProtoBuilder {
-         builderResult.hasLabel = false
-         builderResult.label = .LabelOptional
-         return self
-      }
-      public var hasTypes:Bool{
-          get {
-              return builderResult.hasTypes
-          }
-      }
-      public var types:Google.Protobuf.FieldDescriptorProto.Types {
-          get {
-              return builderResult.types
-          }
-          set (value) {
-              builderResult.hasTypes = true
-              builderResult.types = value
-          }
-      }
-      public func setTypes(value:Google.Protobuf.FieldDescriptorProto.Types)-> Google.Protobuf.FieldDescriptorProtoBuilder {
-        self.types = value
-        return self
-      }
-      public func clearTypes() -> Google.Protobuf.FieldDescriptorProtoBuilder {
-         builderResult.hasTypes = false
-         builderResult.types = .TypeDouble
-         return self
-      }
-    public var hasTypeName:Bool {
-         get {
-              return builderResult.hasTypeName
-         }
-    }
-    public var typeName:String {
-         get {
-              return builderResult.typeName
-         }
-         set (value) {
-             builderResult.hasTypeName = true
-             builderResult.typeName = value
-         }
-    }
-    public func setTypeName(value:String)-> Google.Protobuf.FieldDescriptorProtoBuilder {
-      self.typeName = value
-      return self
-    }
-    public func clearTypeName() -> Google.Protobuf.FieldDescriptorProtoBuilder{
-         builderResult.hasTypeName = false
-         builderResult.typeName = ""
-         return self
-    }
-    public var hasExtendee:Bool {
-         get {
-              return builderResult.hasExtendee
-         }
-    }
-    public var extendee:String {
-         get {
-              return builderResult.extendee
-         }
-         set (value) {
-             builderResult.hasExtendee = true
-             builderResult.extendee = value
-         }
-    }
-    public func setExtendee(value:String)-> Google.Protobuf.FieldDescriptorProtoBuilder {
-      self.extendee = value
-      return self
-    }
-    public func clearExtendee() -> Google.Protobuf.FieldDescriptorProtoBuilder{
-         builderResult.hasExtendee = false
-         builderResult.extendee = ""
-         return self
-    }
-    public var hasDefaultValue:Bool {
-         get {
-              return builderResult.hasDefaultValue
-         }
-    }
-    public var defaultValue:String {
-         get {
-              return builderResult.defaultValue
-         }
-         set (value) {
-             builderResult.hasDefaultValue = true
-             builderResult.defaultValue = value
-         }
-    }
-    public func setDefaultValue(value:String)-> Google.Protobuf.FieldDescriptorProtoBuilder {
-      self.defaultValue = value
-      return self
-    }
-    public func clearDefaultValue() -> Google.Protobuf.FieldDescriptorProtoBuilder{
-         builderResult.hasDefaultValue = false
-         builderResult.defaultValue = ""
-         return self
-    }
-    public var hasOneofIndex:Bool {
-         get {
-              return builderResult.hasOneofIndex
-         }
-    }
-    public var oneofIndex:Int32 {
-         get {
-              return builderResult.oneofIndex
-         }
-         set (value) {
-             builderResult.hasOneofIndex = true
-             builderResult.oneofIndex = value
-         }
-    }
-    public func setOneofIndex(value:Int32)-> Google.Protobuf.FieldDescriptorProtoBuilder {
-      self.oneofIndex = value
-      return self
-    }
-    public func clearOneofIndex() -> Google.Protobuf.FieldDescriptorProtoBuilder{
-         builderResult.hasOneofIndex = false
-         builderResult.oneofIndex = Int32(0)
-         return self
-    }
-    public var hasOptions:Bool {
-         get {
-             return builderResult.hasOptions
-         }
-    }
-    public var options:Google.Protobuf.FieldOptions {
-         get {
-             return builderResult.options
-         }
-         set (value) {
-             builderResult.hasOptions = true
-             builderResult.options = value
-         }
-    }
-    public func setOptions(value:Google.Protobuf.FieldOptions)-> Google.Protobuf.FieldDescriptorProtoBuilder {
-      self.options = value
-      return self
-    }
-    public func mergeOptions(value:Google.Protobuf.FieldOptions) -> Google.Protobuf.FieldDescriptorProtoBuilder {
-      if (builderResult.hasOptions) {
-        builderResult.options = Google.Protobuf.FieldOptions.builderWithPrototype(builderResult.options).mergeFrom(value).buildPartial()
-      } else {
-        builderResult.options = value
-      }
-      builderResult.hasOptions = true
-      return self
-    }
-    public func clearOptions() -> Google.Protobuf.FieldDescriptorProtoBuilder {
-      builderResult.hasOptions = false
-      builderResult.options = Google.Protobuf.FieldOptions()
-      return self
-    }
-    override public var internalGetResult:GeneratedMessage {
-         get {
-            return builderResult
-         }
-    }
-    public override func clear() -> Google.Protobuf.FieldDescriptorProtoBuilder {
-      builderResult = Google.Protobuf.FieldDescriptorProto()
-      return self
-    }
-    public override func clone() -> Google.Protobuf.FieldDescriptorProtoBuilder {
-      return Google.Protobuf.FieldDescriptorProto.builderWithPrototype(builderResult)
-    }
-    public override func build() -> Google.Protobuf.FieldDescriptorProto {
-         checkInitialized()
-         return buildPartial()
-    }
-    public func buildPartial() -> Google.Protobuf.FieldDescriptorProto {
-      var returnMe:Google.Protobuf.FieldDescriptorProto = builderResult
-      return returnMe
-    }
-    public func mergeFrom(other:Google.Protobuf.FieldDescriptorProto) -> Google.Protobuf.FieldDescriptorProtoBuilder {
-      if (other == Google.Protobuf.FieldDescriptorProto()) {
-       return self
-      }
-      if other.hasName {
-           name = other.name
-      }
-      if other.hasNumber {
-           number = other.number
-      }
-      if other.hasLabel {
-           label = other.label
-      }
-      if other.hasTypes {
-           types = other.types
-      }
-      if other.hasTypeName {
-           typeName = other.typeName
-      }
-      if other.hasExtendee {
-           extendee = other.extendee
-      }
-      if other.hasDefaultValue {
-           defaultValue = other.defaultValue
-      }
-      if other.hasOneofIndex {
-           oneofIndex = other.oneofIndex
-      }
-      if (other.hasOptions) {
-          mergeOptions(other.options)
-      }
-      mergeUnknownFields(other.unknownFields)
-      return self
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.FieldDescriptorProtoBuilder {
-         return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.FieldDescriptorProtoBuilder {
-      var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-      while (true) {
-        var tag = input.readTag()
-        switch tag {
-        case 0: 
-          self.unknownFields = unknownFieldsBuilder.build()
-          return self
-
-        case 10 :
-          name = input.readString()
-
-        case 18 :
-          extendee = input.readString()
-
-        case 24 :
-          number = input.readInt32()
-
-        case 32 :
-          let valueIntlabel = input.readEnum()
-          if let enumslabel = Google.Protobuf.FieldDescriptorProto.Label(rawValue:valueIntlabel){
-               label = enumslabel
-          } else {
-               unknownFieldsBuilder.mergeVarintField(4, value:Int64(valueIntlabel))
-          }
-
-        case 40 :
-          let valueInttypes = input.readEnum()
-          if let enumstypes = Google.Protobuf.FieldDescriptorProto.Types(rawValue:valueInttypes){
-               types = enumstypes
-          } else {
-               unknownFieldsBuilder.mergeVarintField(5, value:Int64(valueInttypes))
-          }
-
-        case 50 :
-          typeName = input.readString()
-
-        case 58 :
-          defaultValue = input.readString()
-
-        case 66 :
-          var subBuilder:Google.Protobuf.FieldOptionsBuilder = Google.Protobuf.FieldOptions.builder()
-          if hasOptions {
-            subBuilder.mergeFrom(options)
-          }
-          input.readMessage(subBuilder, extensionRegistry:extensionRegistry)
-          options = subBuilder.buildPartial()
-
-        case 72 :
-          oneofIndex = input.readInt32()
-
-        default:
-          if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-             unknownFields = unknownFieldsBuilder.build()
-             return self
-          }
-        }
-      }
-    }
-  }
-
-  final public class OneofDescriptorProto : GeneratedMessage, GeneratedMessageProtocol {
-    public private(set) var hasName:Bool = false
-    public private(set) var name:String = ""
-
-    required public init() {
-         super.init()
-    }
-    override public func isInitialized() -> Bool {
-     return true
-    }
-    override public func writeToCodedOutputStream(output:CodedOutputStream) {
-      if hasName {
-        output.writeString(1, value:name)
-      }
-      unknownFields.writeToCodedOutputStream(output)
-    }
-    override public func serializedSize() -> Int32 {
-      var serialize_size:Int32 = memoizedSerializedSize
-      if serialize_size != -1 {
-       return serialize_size
-      }
-
-      serialize_size = 0
-      if hasName {
-        serialize_size += name.computeStringSize(1)
-      }
-      serialize_size += unknownFields.serializedSize()
-      memoizedSerializedSize = serialize_size
-      return serialize_size
-    }
-    public class func parseFromData(data:NSData) -> Google.Protobuf.OneofDescriptorProto {
-      return Google.Protobuf.OneofDescriptorProto.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-    }
-    public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.OneofDescriptorProto {
-      return Google.Protobuf.OneofDescriptorProto.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.OneofDescriptorProto {
-      return Google.Protobuf.OneofDescriptorProto.builder().mergeFromInputStream(input).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.OneofDescriptorProto {
-      return Google.Protobuf.OneofDescriptorProto.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.OneofDescriptorProto {
-      return Google.Protobuf.OneofDescriptorProto.builder().mergeFromCodedInputStream(input).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.OneofDescriptorProto {
-      return Google.Protobuf.OneofDescriptorProto.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func builder() -> Google.Protobuf.OneofDescriptorProtoBuilder {
-      return Google.Protobuf.OneofDescriptorProto.classBuilder() as Google.Protobuf.OneofDescriptorProtoBuilder
-    }
-    public func builder() -> Google.Protobuf.OneofDescriptorProtoBuilder {
-      return classBuilder() as Google.Protobuf.OneofDescriptorProtoBuilder
-    }
-    public override class func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.OneofDescriptorProtoBuilder()
-    }
-    public override func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.OneofDescriptorProto.builder()
-    }
-    public func toBuilder() -> Google.Protobuf.OneofDescriptorProtoBuilder {
-      return Google.Protobuf.OneofDescriptorProto.builderWithPrototype(self)
-    }
-    public class func builderWithPrototype(prototype:Google.Protobuf.OneofDescriptorProto) -> Google.Protobuf.OneofDescriptorProtoBuilder {
-      return Google.Protobuf.OneofDescriptorProto.builder().mergeFrom(prototype)
-    }
-    override public func writeDescriptionTo(inout output:String, indent:String) {
-      if hasName {
-        output += "\(indent) name: \(name) \n"
-      }
-      unknownFields.writeDescriptionTo(&output, indent:indent)
-    }
-    override public var hashValue:Int {
-        get {
-            var hashCode:Int = 7
-            if hasName {
-               hashCode = (hashCode &* 31) &+ name.hashValue
-            }
-            hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-            return hashCode
-        }
-    }
-
-
-    //Meta information declaration start
-
-    override public class func className() -> String {
-        return "Google.Protobuf.OneofDescriptorProto"
-    }
-    override public func className() -> String {
-        return "Google.Protobuf.OneofDescriptorProto"
-    }
-    override public func classMetaType() -> GeneratedMessage.Type {
-        return Google.Protobuf.OneofDescriptorProto.self
-    }
-    //Meta information declaration end
-
-  }
-
-  final public class OneofDescriptorProtoBuilder : GeneratedMessageBuilder {
-    private var builderResult:Google.Protobuf.OneofDescriptorProto
-
-    required override public init () {
-       builderResult = Google.Protobuf.OneofDescriptorProto()
-       super.init()
-    }
-    public var hasName:Bool {
-         get {
-              return builderResult.hasName
-         }
-    }
-    public var name:String {
-         get {
-              return builderResult.name
-         }
-         set (value) {
-             builderResult.hasName = true
-             builderResult.name = value
-         }
-    }
-    public func setName(value:String)-> Google.Protobuf.OneofDescriptorProtoBuilder {
-      self.name = value
-      return self
-    }
-    public func clearName() -> Google.Protobuf.OneofDescriptorProtoBuilder{
-         builderResult.hasName = false
-         builderResult.name = ""
-         return self
-    }
-    override public var internalGetResult:GeneratedMessage {
-         get {
-            return builderResult
-         }
-    }
-    public override func clear() -> Google.Protobuf.OneofDescriptorProtoBuilder {
-      builderResult = Google.Protobuf.OneofDescriptorProto()
-      return self
-    }
-    public override func clone() -> Google.Protobuf.OneofDescriptorProtoBuilder {
-      return Google.Protobuf.OneofDescriptorProto.builderWithPrototype(builderResult)
-    }
-    public override func build() -> Google.Protobuf.OneofDescriptorProto {
-         checkInitialized()
-         return buildPartial()
-    }
-    public func buildPartial() -> Google.Protobuf.OneofDescriptorProto {
-      var returnMe:Google.Protobuf.OneofDescriptorProto = builderResult
-      return returnMe
-    }
-    public func mergeFrom(other:Google.Protobuf.OneofDescriptorProto) -> Google.Protobuf.OneofDescriptorProtoBuilder {
-      if (other == Google.Protobuf.OneofDescriptorProto()) {
-       return self
-      }
-      if other.hasName {
-           name = other.name
-      }
-      mergeUnknownFields(other.unknownFields)
-      return self
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.OneofDescriptorProtoBuilder {
-         return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.OneofDescriptorProtoBuilder {
-      var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-      while (true) {
-        var tag = input.readTag()
-        switch tag {
-        case 0: 
-          self.unknownFields = unknownFieldsBuilder.build()
-          return self
-
-        case 10 :
-          name = input.readString()
-
-        default:
-          if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-             unknownFields = unknownFieldsBuilder.build()
-             return self
-          }
-        }
-      }
-    }
-  }
-
-  final public class EnumDescriptorProto : GeneratedMessage, GeneratedMessageProtocol {
-    public private(set) var hasName:Bool = false
-    public private(set) var name:String = ""
-
-    public private(set) var hasOptions:Bool = false
-    public private(set) var options:Google.Protobuf.EnumOptions = Google.Protobuf.EnumOptions()
-    public private(set) var value:Array<Google.Protobuf.EnumValueDescriptorProto>  = Array<Google.Protobuf.EnumValueDescriptorProto>()
-    required public init() {
-         super.init()
-    }
-    override public func isInitialized() -> Bool {
-      var isInitvalue:Bool = true
-      for oneElementvalue in value {
-          if (!oneElementvalue.isInitialized()) {
-              isInitvalue = false
-              break 
-          }
-      }
-      if !isInitvalue {
-       return isInitvalue
-       }
-      if hasOptions {
-       if !options.isInitialized() {
-         return false
-       }
-      }
-     return true
-    }
-    override public func writeToCodedOutputStream(output:CodedOutputStream) {
-      if hasName {
-        output.writeString(1, value:name)
-      }
-      for oneElementvalue in value {
-          output.writeMessage(2, value:oneElementvalue)
-      }
-      if hasOptions {
-        output.writeMessage(3, value:options)
-      }
-      unknownFields.writeToCodedOutputStream(output)
-    }
-    override public func serializedSize() -> Int32 {
-      var serialize_size:Int32 = memoizedSerializedSize
-      if serialize_size != -1 {
-       return serialize_size
-      }
-
-      serialize_size = 0
-      if hasName {
-        serialize_size += name.computeStringSize(1)
-      }
-      for oneElementvalue in value {
-          serialize_size += oneElementvalue.computeMessageSize(2)
-      }
-      if hasOptions {
-        serialize_size += options.computeMessageSize(3)
-      }
-      serialize_size += unknownFields.serializedSize()
-      memoizedSerializedSize = serialize_size
-      return serialize_size
-    }
-    public class func parseFromData(data:NSData) -> Google.Protobuf.EnumDescriptorProto {
-      return Google.Protobuf.EnumDescriptorProto.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-    }
-    public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.EnumDescriptorProto {
-      return Google.Protobuf.EnumDescriptorProto.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.EnumDescriptorProto {
-      return Google.Protobuf.EnumDescriptorProto.builder().mergeFromInputStream(input).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.EnumDescriptorProto {
-      return Google.Protobuf.EnumDescriptorProto.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.EnumDescriptorProto {
-      return Google.Protobuf.EnumDescriptorProto.builder().mergeFromCodedInputStream(input).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.EnumDescriptorProto {
-      return Google.Protobuf.EnumDescriptorProto.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func builder() -> Google.Protobuf.EnumDescriptorProtoBuilder {
-      return Google.Protobuf.EnumDescriptorProto.classBuilder() as Google.Protobuf.EnumDescriptorProtoBuilder
-    }
-    public func builder() -> Google.Protobuf.EnumDescriptorProtoBuilder {
-      return classBuilder() as Google.Protobuf.EnumDescriptorProtoBuilder
-    }
-    public override class func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.EnumDescriptorProtoBuilder()
-    }
-    public override func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.EnumDescriptorProto.builder()
-    }
-    public func toBuilder() -> Google.Protobuf.EnumDescriptorProtoBuilder {
-      return Google.Protobuf.EnumDescriptorProto.builderWithPrototype(self)
-    }
-    public class func builderWithPrototype(prototype:Google.Protobuf.EnumDescriptorProto) -> Google.Protobuf.EnumDescriptorProtoBuilder {
-      return Google.Protobuf.EnumDescriptorProto.builder().mergeFrom(prototype)
-    }
-    override public func writeDescriptionTo(inout output:String, indent:String) {
-      if hasName {
-        output += "\(indent) name: \(name) \n"
-      }
-      var valueElementIndex:Int = 0
-      for oneElementvalue in value {
-          output += "\(indent) value[\(valueElementIndex)] {\n"
-          oneElementvalue.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          valueElementIndex++
-      }
-      if hasOptions {
-        output += "\(indent) options {\n"
-        options.writeDescriptionTo(&output, indent:"\(indent)  ")
-        output += "\(indent) }\n"
-      }
-      unknownFields.writeDescriptionTo(&output, indent:indent)
-    }
-    override public var hashValue:Int {
-        get {
-            var hashCode:Int = 7
-            if hasName {
-               hashCode = (hashCode &* 31) &+ name.hashValue
-            }
-            for oneElementvalue in value {
-                hashCode = (hashCode &* 31) &+ oneElementvalue.hashValue
-            }
-            if hasOptions {
-              hashCode = (hashCode &* 31) &+ options.hashValue
-            }
-            hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-            return hashCode
-        }
-    }
-
-
-    //Meta information declaration start
-
-    override public class func className() -> String {
-        return "Google.Protobuf.EnumDescriptorProto"
-    }
-    override public func className() -> String {
-        return "Google.Protobuf.EnumDescriptorProto"
-    }
-    override public func classMetaType() -> GeneratedMessage.Type {
-        return Google.Protobuf.EnumDescriptorProto.self
-    }
-    //Meta information declaration end
-
-  }
-
-  final public class EnumDescriptorProtoBuilder : GeneratedMessageBuilder {
-    private var builderResult:Google.Protobuf.EnumDescriptorProto
-
-    required override public init () {
-       builderResult = Google.Protobuf.EnumDescriptorProto()
-       super.init()
-    }
-    public var hasName:Bool {
-         get {
-              return builderResult.hasName
-         }
-    }
-    public var name:String {
-         get {
-              return builderResult.name
-         }
-         set (value) {
-             builderResult.hasName = true
-             builderResult.name = value
-         }
-    }
-    public func setName(value:String)-> Google.Protobuf.EnumDescriptorProtoBuilder {
-      self.name = value
-      return self
-    }
-    public func clearName() -> Google.Protobuf.EnumDescriptorProtoBuilder{
-         builderResult.hasName = false
-         builderResult.name = ""
-         return self
-    }
-    public var value:Array<Google.Protobuf.EnumValueDescriptorProto> {
-         get {
-             return builderResult.value
-         }
-         set (value) {
-             builderResult.value = value
-         }
-    }
-    public func setValue(value:Array<Google.Protobuf.EnumValueDescriptorProto>)-> Google.Protobuf.EnumDescriptorProtoBuilder {
-      self.value = value
-      return self
-    }
-    public func clearValue() -> Google.Protobuf.EnumDescriptorProtoBuilder {
-      builderResult.value.removeAll(keepCapacity: false)
-      return self
-    }
-    public var hasOptions:Bool {
-         get {
-             return builderResult.hasOptions
-         }
-    }
-    public var options:Google.Protobuf.EnumOptions {
-         get {
-             return builderResult.options
-         }
-         set (value) {
-             builderResult.hasOptions = true
-             builderResult.options = value
-         }
-    }
-    public func setOptions(value:Google.Protobuf.EnumOptions)-> Google.Protobuf.EnumDescriptorProtoBuilder {
-      self.options = value
-      return self
-    }
-    public func mergeOptions(value:Google.Protobuf.EnumOptions) -> Google.Protobuf.EnumDescriptorProtoBuilder {
-      if (builderResult.hasOptions) {
-        builderResult.options = Google.Protobuf.EnumOptions.builderWithPrototype(builderResult.options).mergeFrom(value).buildPartial()
-      } else {
-        builderResult.options = value
-      }
-      builderResult.hasOptions = true
-      return self
-    }
-    public func clearOptions() -> Google.Protobuf.EnumDescriptorProtoBuilder {
-      builderResult.hasOptions = false
-      builderResult.options = Google.Protobuf.EnumOptions()
-      return self
-    }
-    override public var internalGetResult:GeneratedMessage {
-         get {
-            return builderResult
-         }
-    }
-    public override func clear() -> Google.Protobuf.EnumDescriptorProtoBuilder {
-      builderResult = Google.Protobuf.EnumDescriptorProto()
-      return self
-    }
-    public override func clone() -> Google.Protobuf.EnumDescriptorProtoBuilder {
-      return Google.Protobuf.EnumDescriptorProto.builderWithPrototype(builderResult)
-    }
-    public override func build() -> Google.Protobuf.EnumDescriptorProto {
-         checkInitialized()
-         return buildPartial()
-    }
-    public func buildPartial() -> Google.Protobuf.EnumDescriptorProto {
-      var returnMe:Google.Protobuf.EnumDescriptorProto = builderResult
-      return returnMe
-    }
-    public func mergeFrom(other:Google.Protobuf.EnumDescriptorProto) -> Google.Protobuf.EnumDescriptorProtoBuilder {
-      if (other == Google.Protobuf.EnumDescriptorProto()) {
-       return self
-      }
-      if other.hasName {
-           name = other.name
-      }
-      if !other.value.isEmpty  {
-         builderResult.value += other.value
-      }
-      if (other.hasOptions) {
-          mergeOptions(other.options)
-      }
-      mergeUnknownFields(other.unknownFields)
-      return self
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.EnumDescriptorProtoBuilder {
-         return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.EnumDescriptorProtoBuilder {
-      var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-      while (true) {
-        var tag = input.readTag()
-        switch tag {
-        case 0: 
-          self.unknownFields = unknownFieldsBuilder.build()
-          return self
-
-        case 10 :
-          name = input.readString()
-
-        case 18 :
-          var subBuilder = Google.Protobuf.EnumValueDescriptorProto.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          value += [subBuilder.buildPartial()]
-
-        case 26 :
-          var subBuilder:Google.Protobuf.EnumOptionsBuilder = Google.Protobuf.EnumOptions.builder()
-          if hasOptions {
-            subBuilder.mergeFrom(options)
-          }
-          input.readMessage(subBuilder, extensionRegistry:extensionRegistry)
-          options = subBuilder.buildPartial()
-
-        default:
-          if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-             unknownFields = unknownFieldsBuilder.build()
-             return self
-          }
-        }
-      }
-    }
-  }
-
-  final public class EnumValueDescriptorProto : GeneratedMessage, GeneratedMessageProtocol {
-    public private(set) var hasName:Bool = false
-    public private(set) var name:String = ""
-
-    public private(set) var hasNumber:Bool = false
-    public private(set) var number:Int32 = Int32(0)
-
-    public private(set) var hasOptions:Bool = false
-    public private(set) var options:Google.Protobuf.EnumValueOptions = Google.Protobuf.EnumValueOptions()
-    required public init() {
-         super.init()
-    }
-    override public func isInitialized() -> Bool {
-      if hasOptions {
-       if !options.isInitialized() {
-         return false
-       }
-      }
-     return true
-    }
-    override public func writeToCodedOutputStream(output:CodedOutputStream) {
-      if hasName {
-        output.writeString(1, value:name)
-      }
-      if hasNumber {
-        output.writeInt32(2, value:number)
-      }
-      if hasOptions {
-        output.writeMessage(3, value:options)
-      }
-      unknownFields.writeToCodedOutputStream(output)
-    }
-    override public func serializedSize() -> Int32 {
-      var serialize_size:Int32 = memoizedSerializedSize
-      if serialize_size != -1 {
-       return serialize_size
-      }
-
-      serialize_size = 0
-      if hasName {
-        serialize_size += name.computeStringSize(1)
-      }
-      if hasNumber {
-        serialize_size += number.computeInt32Size(2)
-      }
-      if hasOptions {
-        serialize_size += options.computeMessageSize(3)
-      }
-      serialize_size += unknownFields.serializedSize()
-      memoizedSerializedSize = serialize_size
-      return serialize_size
-    }
-    public class func parseFromData(data:NSData) -> Google.Protobuf.EnumValueDescriptorProto {
-      return Google.Protobuf.EnumValueDescriptorProto.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-    }
-    public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.EnumValueDescriptorProto {
-      return Google.Protobuf.EnumValueDescriptorProto.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.EnumValueDescriptorProto {
-      return Google.Protobuf.EnumValueDescriptorProto.builder().mergeFromInputStream(input).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.EnumValueDescriptorProto {
-      return Google.Protobuf.EnumValueDescriptorProto.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.EnumValueDescriptorProto {
-      return Google.Protobuf.EnumValueDescriptorProto.builder().mergeFromCodedInputStream(input).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.EnumValueDescriptorProto {
-      return Google.Protobuf.EnumValueDescriptorProto.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func builder() -> Google.Protobuf.EnumValueDescriptorProtoBuilder {
-      return Google.Protobuf.EnumValueDescriptorProto.classBuilder() as Google.Protobuf.EnumValueDescriptorProtoBuilder
-    }
-    public func builder() -> Google.Protobuf.EnumValueDescriptorProtoBuilder {
-      return classBuilder() as Google.Protobuf.EnumValueDescriptorProtoBuilder
-    }
-    public override class func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.EnumValueDescriptorProtoBuilder()
-    }
-    public override func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.EnumValueDescriptorProto.builder()
-    }
-    public func toBuilder() -> Google.Protobuf.EnumValueDescriptorProtoBuilder {
-      return Google.Protobuf.EnumValueDescriptorProto.builderWithPrototype(self)
-    }
-    public class func builderWithPrototype(prototype:Google.Protobuf.EnumValueDescriptorProto) -> Google.Protobuf.EnumValueDescriptorProtoBuilder {
-      return Google.Protobuf.EnumValueDescriptorProto.builder().mergeFrom(prototype)
-    }
-    override public func writeDescriptionTo(inout output:String, indent:String) {
-      if hasName {
-        output += "\(indent) name: \(name) \n"
-      }
-      if hasNumber {
-        output += "\(indent) number: \(number) \n"
-      }
-      if hasOptions {
-        output += "\(indent) options {\n"
-        options.writeDescriptionTo(&output, indent:"\(indent)  ")
-        output += "\(indent) }\n"
-      }
-      unknownFields.writeDescriptionTo(&output, indent:indent)
-    }
-    override public var hashValue:Int {
-        get {
-            var hashCode:Int = 7
-            if hasName {
-               hashCode = (hashCode &* 31) &+ name.hashValue
-            }
-            if hasNumber {
-               hashCode = (hashCode &* 31) &+ number.hashValue
-            }
-            if hasOptions {
-              hashCode = (hashCode &* 31) &+ options.hashValue
-            }
-            hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-            return hashCode
-        }
-    }
-
-
-    //Meta information declaration start
-
-    override public class func className() -> String {
-        return "Google.Protobuf.EnumValueDescriptorProto"
-    }
-    override public func className() -> String {
-        return "Google.Protobuf.EnumValueDescriptorProto"
-    }
-    override public func classMetaType() -> GeneratedMessage.Type {
-        return Google.Protobuf.EnumValueDescriptorProto.self
-    }
-    //Meta information declaration end
-
-  }
-
-  final public class EnumValueDescriptorProtoBuilder : GeneratedMessageBuilder {
-    private var builderResult:Google.Protobuf.EnumValueDescriptorProto
-
-    required override public init () {
-       builderResult = Google.Protobuf.EnumValueDescriptorProto()
-       super.init()
-    }
-    public var hasName:Bool {
-         get {
-              return builderResult.hasName
-         }
-    }
-    public var name:String {
-         get {
-              return builderResult.name
-         }
-         set (value) {
-             builderResult.hasName = true
-             builderResult.name = value
-         }
-    }
-    public func setName(value:String)-> Google.Protobuf.EnumValueDescriptorProtoBuilder {
-      self.name = value
-      return self
-    }
-    public func clearName() -> Google.Protobuf.EnumValueDescriptorProtoBuilder{
-         builderResult.hasName = false
-         builderResult.name = ""
-         return self
-    }
-    public var hasNumber:Bool {
-         get {
-              return builderResult.hasNumber
-         }
-    }
-    public var number:Int32 {
-         get {
-              return builderResult.number
-         }
-         set (value) {
-             builderResult.hasNumber = true
-             builderResult.number = value
-         }
-    }
-    public func setNumber(value:Int32)-> Google.Protobuf.EnumValueDescriptorProtoBuilder {
-      self.number = value
-      return self
-    }
-    public func clearNumber() -> Google.Protobuf.EnumValueDescriptorProtoBuilder{
-         builderResult.hasNumber = false
-         builderResult.number = Int32(0)
-         return self
-    }
-    public var hasOptions:Bool {
-         get {
-             return builderResult.hasOptions
-         }
-    }
-    public var options:Google.Protobuf.EnumValueOptions {
-         get {
-             return builderResult.options
-         }
-         set (value) {
-             builderResult.hasOptions = true
-             builderResult.options = value
-         }
-    }
-    public func setOptions(value:Google.Protobuf.EnumValueOptions)-> Google.Protobuf.EnumValueDescriptorProtoBuilder {
-      self.options = value
-      return self
-    }
-    public func mergeOptions(value:Google.Protobuf.EnumValueOptions) -> Google.Protobuf.EnumValueDescriptorProtoBuilder {
-      if (builderResult.hasOptions) {
-        builderResult.options = Google.Protobuf.EnumValueOptions.builderWithPrototype(builderResult.options).mergeFrom(value).buildPartial()
-      } else {
-        builderResult.options = value
-      }
-      builderResult.hasOptions = true
-      return self
-    }
-    public func clearOptions() -> Google.Protobuf.EnumValueDescriptorProtoBuilder {
-      builderResult.hasOptions = false
-      builderResult.options = Google.Protobuf.EnumValueOptions()
-      return self
-    }
-    override public var internalGetResult:GeneratedMessage {
-         get {
-            return builderResult
-         }
-    }
-    public override func clear() -> Google.Protobuf.EnumValueDescriptorProtoBuilder {
-      builderResult = Google.Protobuf.EnumValueDescriptorProto()
-      return self
-    }
-    public override func clone() -> Google.Protobuf.EnumValueDescriptorProtoBuilder {
-      return Google.Protobuf.EnumValueDescriptorProto.builderWithPrototype(builderResult)
-    }
-    public override func build() -> Google.Protobuf.EnumValueDescriptorProto {
-         checkInitialized()
-         return buildPartial()
-    }
-    public func buildPartial() -> Google.Protobuf.EnumValueDescriptorProto {
-      var returnMe:Google.Protobuf.EnumValueDescriptorProto = builderResult
-      return returnMe
-    }
-    public func mergeFrom(other:Google.Protobuf.EnumValueDescriptorProto) -> Google.Protobuf.EnumValueDescriptorProtoBuilder {
-      if (other == Google.Protobuf.EnumValueDescriptorProto()) {
-       return self
-      }
-      if other.hasName {
-           name = other.name
-      }
-      if other.hasNumber {
-           number = other.number
-      }
-      if (other.hasOptions) {
-          mergeOptions(other.options)
-      }
-      mergeUnknownFields(other.unknownFields)
-      return self
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.EnumValueDescriptorProtoBuilder {
-         return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.EnumValueDescriptorProtoBuilder {
-      var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-      while (true) {
-        var tag = input.readTag()
-        switch tag {
-        case 0: 
-          self.unknownFields = unknownFieldsBuilder.build()
-          return self
-
-        case 10 :
-          name = input.readString()
-
-        case 16 :
-          number = input.readInt32()
-
-        case 26 :
-          var subBuilder:Google.Protobuf.EnumValueOptionsBuilder = Google.Protobuf.EnumValueOptions.builder()
-          if hasOptions {
-            subBuilder.mergeFrom(options)
-          }
-          input.readMessage(subBuilder, extensionRegistry:extensionRegistry)
-          options = subBuilder.buildPartial()
-
-        default:
-          if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-             unknownFields = unknownFieldsBuilder.build()
-             return self
-          }
-        }
-      }
-    }
-  }
-
-  final public class ServiceDescriptorProto : GeneratedMessage, GeneratedMessageProtocol {
-    public private(set) var hasName:Bool = false
-    public private(set) var name:String = ""
-
-    public private(set) var hasOptions:Bool = false
-    public private(set) var options:Google.Protobuf.ServiceOptions = Google.Protobuf.ServiceOptions()
-    public private(set) var method:Array<Google.Protobuf.MethodDescriptorProto>  = Array<Google.Protobuf.MethodDescriptorProto>()
-    required public init() {
-         super.init()
-    }
-    override public func isInitialized() -> Bool {
-      var isInitmethod:Bool = true
-      for oneElementmethod in method {
-          if (!oneElementmethod.isInitialized()) {
-              isInitmethod = false
-              break 
-          }
-      }
-      if !isInitmethod {
-       return isInitmethod
-       }
-      if hasOptions {
-       if !options.isInitialized() {
-         return false
-       }
-      }
-     return true
-    }
-    override public func writeToCodedOutputStream(output:CodedOutputStream) {
-      if hasName {
-        output.writeString(1, value:name)
-      }
-      for oneElementmethod in method {
-          output.writeMessage(2, value:oneElementmethod)
-      }
-      if hasOptions {
-        output.writeMessage(3, value:options)
-      }
-      unknownFields.writeToCodedOutputStream(output)
-    }
-    override public func serializedSize() -> Int32 {
-      var serialize_size:Int32 = memoizedSerializedSize
-      if serialize_size != -1 {
-       return serialize_size
-      }
-
-      serialize_size = 0
-      if hasName {
-        serialize_size += name.computeStringSize(1)
-      }
-      for oneElementmethod in method {
-          serialize_size += oneElementmethod.computeMessageSize(2)
-      }
-      if hasOptions {
-        serialize_size += options.computeMessageSize(3)
-      }
-      serialize_size += unknownFields.serializedSize()
-      memoizedSerializedSize = serialize_size
-      return serialize_size
-    }
-    public class func parseFromData(data:NSData) -> Google.Protobuf.ServiceDescriptorProto {
-      return Google.Protobuf.ServiceDescriptorProto.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-    }
-    public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.ServiceDescriptorProto {
-      return Google.Protobuf.ServiceDescriptorProto.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.ServiceDescriptorProto {
-      return Google.Protobuf.ServiceDescriptorProto.builder().mergeFromInputStream(input).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.ServiceDescriptorProto {
-      return Google.Protobuf.ServiceDescriptorProto.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.ServiceDescriptorProto {
-      return Google.Protobuf.ServiceDescriptorProto.builder().mergeFromCodedInputStream(input).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.ServiceDescriptorProto {
-      return Google.Protobuf.ServiceDescriptorProto.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func builder() -> Google.Protobuf.ServiceDescriptorProtoBuilder {
-      return Google.Protobuf.ServiceDescriptorProto.classBuilder() as Google.Protobuf.ServiceDescriptorProtoBuilder
-    }
-    public func builder() -> Google.Protobuf.ServiceDescriptorProtoBuilder {
-      return classBuilder() as Google.Protobuf.ServiceDescriptorProtoBuilder
-    }
-    public override class func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.ServiceDescriptorProtoBuilder()
-    }
-    public override func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.ServiceDescriptorProto.builder()
-    }
-    public func toBuilder() -> Google.Protobuf.ServiceDescriptorProtoBuilder {
-      return Google.Protobuf.ServiceDescriptorProto.builderWithPrototype(self)
-    }
-    public class func builderWithPrototype(prototype:Google.Protobuf.ServiceDescriptorProto) -> Google.Protobuf.ServiceDescriptorProtoBuilder {
-      return Google.Protobuf.ServiceDescriptorProto.builder().mergeFrom(prototype)
-    }
-    override public func writeDescriptionTo(inout output:String, indent:String) {
-      if hasName {
-        output += "\(indent) name: \(name) \n"
-      }
-      var methodElementIndex:Int = 0
-      for oneElementmethod in method {
-          output += "\(indent) method[\(methodElementIndex)] {\n"
-          oneElementmethod.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          methodElementIndex++
-      }
-      if hasOptions {
-        output += "\(indent) options {\n"
-        options.writeDescriptionTo(&output, indent:"\(indent)  ")
-        output += "\(indent) }\n"
-      }
-      unknownFields.writeDescriptionTo(&output, indent:indent)
-    }
-    override public var hashValue:Int {
-        get {
-            var hashCode:Int = 7
-            if hasName {
-               hashCode = (hashCode &* 31) &+ name.hashValue
-            }
-            for oneElementmethod in method {
-                hashCode = (hashCode &* 31) &+ oneElementmethod.hashValue
-            }
-            if hasOptions {
-              hashCode = (hashCode &* 31) &+ options.hashValue
-            }
-            hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-            return hashCode
-        }
-    }
-
-
-    //Meta information declaration start
-
-    override public class func className() -> String {
-        return "Google.Protobuf.ServiceDescriptorProto"
-    }
-    override public func className() -> String {
-        return "Google.Protobuf.ServiceDescriptorProto"
-    }
-    override public func classMetaType() -> GeneratedMessage.Type {
-        return Google.Protobuf.ServiceDescriptorProto.self
-    }
-    //Meta information declaration end
-
-  }
-
-  final public class ServiceDescriptorProtoBuilder : GeneratedMessageBuilder {
-    private var builderResult:Google.Protobuf.ServiceDescriptorProto
-
-    required override public init () {
-       builderResult = Google.Protobuf.ServiceDescriptorProto()
-       super.init()
-    }
-    public var hasName:Bool {
-         get {
-              return builderResult.hasName
-         }
-    }
-    public var name:String {
-         get {
-              return builderResult.name
-         }
-         set (value) {
-             builderResult.hasName = true
-             builderResult.name = value
-         }
-    }
-    public func setName(value:String)-> Google.Protobuf.ServiceDescriptorProtoBuilder {
-      self.name = value
-      return self
-    }
-    public func clearName() -> Google.Protobuf.ServiceDescriptorProtoBuilder{
-         builderResult.hasName = false
-         builderResult.name = ""
-         return self
-    }
-    public var method:Array<Google.Protobuf.MethodDescriptorProto> {
-         get {
-             return builderResult.method
-         }
-         set (value) {
-             builderResult.method = value
-         }
-    }
-    public func setMethod(value:Array<Google.Protobuf.MethodDescriptorProto>)-> Google.Protobuf.ServiceDescriptorProtoBuilder {
-      self.method = value
-      return self
-    }
-    public func clearMethod() -> Google.Protobuf.ServiceDescriptorProtoBuilder {
-      builderResult.method.removeAll(keepCapacity: false)
-      return self
-    }
-    public var hasOptions:Bool {
-         get {
-             return builderResult.hasOptions
-         }
-    }
-    public var options:Google.Protobuf.ServiceOptions {
-         get {
-             return builderResult.options
-         }
-         set (value) {
-             builderResult.hasOptions = true
-             builderResult.options = value
-         }
-    }
-    public func setOptions(value:Google.Protobuf.ServiceOptions)-> Google.Protobuf.ServiceDescriptorProtoBuilder {
-      self.options = value
-      return self
-    }
-    public func mergeOptions(value:Google.Protobuf.ServiceOptions) -> Google.Protobuf.ServiceDescriptorProtoBuilder {
-      if (builderResult.hasOptions) {
-        builderResult.options = Google.Protobuf.ServiceOptions.builderWithPrototype(builderResult.options).mergeFrom(value).buildPartial()
-      } else {
-        builderResult.options = value
-      }
-      builderResult.hasOptions = true
-      return self
-    }
-    public func clearOptions() -> Google.Protobuf.ServiceDescriptorProtoBuilder {
-      builderResult.hasOptions = false
-      builderResult.options = Google.Protobuf.ServiceOptions()
-      return self
-    }
-    override public var internalGetResult:GeneratedMessage {
-         get {
-            return builderResult
-         }
-    }
-    public override func clear() -> Google.Protobuf.ServiceDescriptorProtoBuilder {
-      builderResult = Google.Protobuf.ServiceDescriptorProto()
-      return self
-    }
-    public override func clone() -> Google.Protobuf.ServiceDescriptorProtoBuilder {
-      return Google.Protobuf.ServiceDescriptorProto.builderWithPrototype(builderResult)
-    }
-    public override func build() -> Google.Protobuf.ServiceDescriptorProto {
-         checkInitialized()
-         return buildPartial()
-    }
-    public func buildPartial() -> Google.Protobuf.ServiceDescriptorProto {
-      var returnMe:Google.Protobuf.ServiceDescriptorProto = builderResult
-      return returnMe
-    }
-    public func mergeFrom(other:Google.Protobuf.ServiceDescriptorProto) -> Google.Protobuf.ServiceDescriptorProtoBuilder {
-      if (other == Google.Protobuf.ServiceDescriptorProto()) {
-       return self
-      }
-      if other.hasName {
-           name = other.name
-      }
-      if !other.method.isEmpty  {
-         builderResult.method += other.method
-      }
-      if (other.hasOptions) {
-          mergeOptions(other.options)
-      }
-      mergeUnknownFields(other.unknownFields)
-      return self
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.ServiceDescriptorProtoBuilder {
-         return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.ServiceDescriptorProtoBuilder {
-      var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-      while (true) {
-        var tag = input.readTag()
-        switch tag {
-        case 0: 
-          self.unknownFields = unknownFieldsBuilder.build()
-          return self
-
-        case 10 :
-          name = input.readString()
-
-        case 18 :
-          var subBuilder = Google.Protobuf.MethodDescriptorProto.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          method += [subBuilder.buildPartial()]
-
-        case 26 :
-          var subBuilder:Google.Protobuf.ServiceOptionsBuilder = Google.Protobuf.ServiceOptions.builder()
-          if hasOptions {
-            subBuilder.mergeFrom(options)
-          }
-          input.readMessage(subBuilder, extensionRegistry:extensionRegistry)
-          options = subBuilder.buildPartial()
-
-        default:
-          if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-             unknownFields = unknownFieldsBuilder.build()
-             return self
-          }
-        }
-      }
-    }
-  }
-
-  final public class MethodDescriptorProto : GeneratedMessage, GeneratedMessageProtocol {
-    public private(set) var hasName:Bool = false
-    public private(set) var name:String = ""
-
-    public private(set) var hasInputType:Bool = false
-    public private(set) var inputType:String = ""
-
-    public private(set) var hasOutputType:Bool = false
-    public private(set) var outputType:String = ""
-
-    public private(set) var hasOptions:Bool = false
-    public private(set) var options:Google.Protobuf.MethodOptions = Google.Protobuf.MethodOptions()
-    required public init() {
-         super.init()
-    }
-    override public func isInitialized() -> Bool {
-      if hasOptions {
-       if !options.isInitialized() {
-         return false
-       }
-      }
-     return true
-    }
-    override public func writeToCodedOutputStream(output:CodedOutputStream) {
-      if hasName {
-        output.writeString(1, value:name)
-      }
-      if hasInputType {
-        output.writeString(2, value:inputType)
-      }
-      if hasOutputType {
-        output.writeString(3, value:outputType)
-      }
-      if hasOptions {
-        output.writeMessage(4, value:options)
-      }
-      unknownFields.writeToCodedOutputStream(output)
-    }
-    override public func serializedSize() -> Int32 {
-      var serialize_size:Int32 = memoizedSerializedSize
-      if serialize_size != -1 {
-       return serialize_size
-      }
-
-      serialize_size = 0
-      if hasName {
-        serialize_size += name.computeStringSize(1)
-      }
-      if hasInputType {
-        serialize_size += inputType.computeStringSize(2)
-      }
-      if hasOutputType {
-        serialize_size += outputType.computeStringSize(3)
-      }
-      if hasOptions {
-        serialize_size += options.computeMessageSize(4)
-      }
-      serialize_size += unknownFields.serializedSize()
-      memoizedSerializedSize = serialize_size
-      return serialize_size
-    }
-    public class func parseFromData(data:NSData) -> Google.Protobuf.MethodDescriptorProto {
-      return Google.Protobuf.MethodDescriptorProto.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-    }
-    public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.MethodDescriptorProto {
-      return Google.Protobuf.MethodDescriptorProto.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.MethodDescriptorProto {
-      return Google.Protobuf.MethodDescriptorProto.builder().mergeFromInputStream(input).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.MethodDescriptorProto {
-      return Google.Protobuf.MethodDescriptorProto.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.MethodDescriptorProto {
-      return Google.Protobuf.MethodDescriptorProto.builder().mergeFromCodedInputStream(input).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.MethodDescriptorProto {
-      return Google.Protobuf.MethodDescriptorProto.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func builder() -> Google.Protobuf.MethodDescriptorProtoBuilder {
-      return Google.Protobuf.MethodDescriptorProto.classBuilder() as Google.Protobuf.MethodDescriptorProtoBuilder
-    }
-    public func builder() -> Google.Protobuf.MethodDescriptorProtoBuilder {
-      return classBuilder() as Google.Protobuf.MethodDescriptorProtoBuilder
-    }
-    public override class func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.MethodDescriptorProtoBuilder()
-    }
-    public override func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.MethodDescriptorProto.builder()
-    }
-    public func toBuilder() -> Google.Protobuf.MethodDescriptorProtoBuilder {
-      return Google.Protobuf.MethodDescriptorProto.builderWithPrototype(self)
-    }
-    public class func builderWithPrototype(prototype:Google.Protobuf.MethodDescriptorProto) -> Google.Protobuf.MethodDescriptorProtoBuilder {
-      return Google.Protobuf.MethodDescriptorProto.builder().mergeFrom(prototype)
-    }
-    override public func writeDescriptionTo(inout output:String, indent:String) {
-      if hasName {
-        output += "\(indent) name: \(name) \n"
-      }
-      if hasInputType {
-        output += "\(indent) inputType: \(inputType) \n"
-      }
-      if hasOutputType {
-        output += "\(indent) outputType: \(outputType) \n"
-      }
-      if hasOptions {
-        output += "\(indent) options {\n"
-        options.writeDescriptionTo(&output, indent:"\(indent)  ")
-        output += "\(indent) }\n"
-      }
-      unknownFields.writeDescriptionTo(&output, indent:indent)
-    }
-    override public var hashValue:Int {
-        get {
-            var hashCode:Int = 7
-            if hasName {
-               hashCode = (hashCode &* 31) &+ name.hashValue
-            }
-            if hasInputType {
-               hashCode = (hashCode &* 31) &+ inputType.hashValue
-            }
-            if hasOutputType {
-               hashCode = (hashCode &* 31) &+ outputType.hashValue
-            }
-            if hasOptions {
-              hashCode = (hashCode &* 31) &+ options.hashValue
-            }
-            hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-            return hashCode
-        }
-    }
-
-
-    //Meta information declaration start
-
-    override public class func className() -> String {
-        return "Google.Protobuf.MethodDescriptorProto"
-    }
-    override public func className() -> String {
-        return "Google.Protobuf.MethodDescriptorProto"
-    }
-    override public func classMetaType() -> GeneratedMessage.Type {
-        return Google.Protobuf.MethodDescriptorProto.self
-    }
-    //Meta information declaration end
-
-  }
-
-  final public class MethodDescriptorProtoBuilder : GeneratedMessageBuilder {
-    private var builderResult:Google.Protobuf.MethodDescriptorProto
-
-    required override public init () {
-       builderResult = Google.Protobuf.MethodDescriptorProto()
-       super.init()
-    }
-    public var hasName:Bool {
-         get {
-              return builderResult.hasName
-         }
-    }
-    public var name:String {
-         get {
-              return builderResult.name
-         }
-         set (value) {
-             builderResult.hasName = true
-             builderResult.name = value
-         }
-    }
-    public func setName(value:String)-> Google.Protobuf.MethodDescriptorProtoBuilder {
-      self.name = value
-      return self
-    }
-    public func clearName() -> Google.Protobuf.MethodDescriptorProtoBuilder{
-         builderResult.hasName = false
-         builderResult.name = ""
-         return self
-    }
-    public var hasInputType:Bool {
-         get {
-              return builderResult.hasInputType
-         }
-    }
-    public var inputType:String {
-         get {
-              return builderResult.inputType
-         }
-         set (value) {
-             builderResult.hasInputType = true
-             builderResult.inputType = value
-         }
-    }
-    public func setInputType(value:String)-> Google.Protobuf.MethodDescriptorProtoBuilder {
-      self.inputType = value
-      return self
-    }
-    public func clearInputType() -> Google.Protobuf.MethodDescriptorProtoBuilder{
-         builderResult.hasInputType = false
-         builderResult.inputType = ""
-         return self
-    }
-    public var hasOutputType:Bool {
-         get {
-              return builderResult.hasOutputType
-         }
-    }
-    public var outputType:String {
-         get {
-              return builderResult.outputType
-         }
-         set (value) {
-             builderResult.hasOutputType = true
-             builderResult.outputType = value
-         }
-    }
-    public func setOutputType(value:String)-> Google.Protobuf.MethodDescriptorProtoBuilder {
-      self.outputType = value
-      return self
-    }
-    public func clearOutputType() -> Google.Protobuf.MethodDescriptorProtoBuilder{
-         builderResult.hasOutputType = false
-         builderResult.outputType = ""
-         return self
-    }
-    public var hasOptions:Bool {
-         get {
-             return builderResult.hasOptions
-         }
-    }
-    public var options:Google.Protobuf.MethodOptions {
-         get {
-             return builderResult.options
-         }
-         set (value) {
-             builderResult.hasOptions = true
-             builderResult.options = value
-         }
-    }
-    public func setOptions(value:Google.Protobuf.MethodOptions)-> Google.Protobuf.MethodDescriptorProtoBuilder {
-      self.options = value
-      return self
-    }
-    public func mergeOptions(value:Google.Protobuf.MethodOptions) -> Google.Protobuf.MethodDescriptorProtoBuilder {
-      if (builderResult.hasOptions) {
-        builderResult.options = Google.Protobuf.MethodOptions.builderWithPrototype(builderResult.options).mergeFrom(value).buildPartial()
-      } else {
-        builderResult.options = value
-      }
-      builderResult.hasOptions = true
-      return self
-    }
-    public func clearOptions() -> Google.Protobuf.MethodDescriptorProtoBuilder {
-      builderResult.hasOptions = false
-      builderResult.options = Google.Protobuf.MethodOptions()
-      return self
-    }
-    override public var internalGetResult:GeneratedMessage {
-         get {
-            return builderResult
-         }
-    }
-    public override func clear() -> Google.Protobuf.MethodDescriptorProtoBuilder {
-      builderResult = Google.Protobuf.MethodDescriptorProto()
-      return self
-    }
-    public override func clone() -> Google.Protobuf.MethodDescriptorProtoBuilder {
-      return Google.Protobuf.MethodDescriptorProto.builderWithPrototype(builderResult)
-    }
-    public override func build() -> Google.Protobuf.MethodDescriptorProto {
-         checkInitialized()
-         return buildPartial()
-    }
-    public func buildPartial() -> Google.Protobuf.MethodDescriptorProto {
-      var returnMe:Google.Protobuf.MethodDescriptorProto = builderResult
-      return returnMe
-    }
-    public func mergeFrom(other:Google.Protobuf.MethodDescriptorProto) -> Google.Protobuf.MethodDescriptorProtoBuilder {
-      if (other == Google.Protobuf.MethodDescriptorProto()) {
-       return self
-      }
-      if other.hasName {
-           name = other.name
-      }
-      if other.hasInputType {
-           inputType = other.inputType
-      }
-      if other.hasOutputType {
-           outputType = other.outputType
-      }
-      if (other.hasOptions) {
-          mergeOptions(other.options)
-      }
-      mergeUnknownFields(other.unknownFields)
-      return self
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.MethodDescriptorProtoBuilder {
-         return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.MethodDescriptorProtoBuilder {
-      var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-      while (true) {
-        var tag = input.readTag()
-        switch tag {
-        case 0: 
-          self.unknownFields = unknownFieldsBuilder.build()
-          return self
-
-        case 10 :
-          name = input.readString()
-
-        case 18 :
-          inputType = input.readString()
-
-        case 26 :
-          outputType = input.readString()
-
-        case 34 :
-          var subBuilder:Google.Protobuf.MethodOptionsBuilder = Google.Protobuf.MethodOptions.builder()
-          if hasOptions {
-            subBuilder.mergeFrom(options)
-          }
-          input.readMessage(subBuilder, extensionRegistry:extensionRegistry)
-          options = subBuilder.buildPartial()
-
-        default:
-          if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-             unknownFields = unknownFieldsBuilder.build()
-             return self
-          }
-        }
-      }
-    }
-  }
-
-  final public class FileOptions : ExtendableMessage, GeneratedMessageProtocol {
-
-
-      //Enum type declaration start 
-
-      public enum OptimizeMode:Int32 {
-        case Speed = 1
-        case CodeSize = 2
-        case LiteRuntime = 3
-
-      }
-
-      //Enum type declaration end 
-
-    public private(set) var hasJavaPackage:Bool = false
-    public private(set) var javaPackage:String = ""
-
-    public private(set) var hasJavaOuterClassname:Bool = false
-    public private(set) var javaOuterClassname:String = ""
-
-    public private(set) var hasJavaMultipleFiles:Bool = false
-    public private(set) var javaMultipleFiles:Bool = false
-
-    public private(set) var hasJavaGenerateEqualsAndHash:Bool = false
-    public private(set) var javaGenerateEqualsAndHash:Bool = false
-
-    public private(set) var hasJavaStringCheckUtf8:Bool = false
-    public private(set) var javaStringCheckUtf8:Bool = false
-
-    public private(set) var optimizeFor:Google.Protobuf.FileOptions.OptimizeMode = Google.Protobuf.FileOptions.OptimizeMode.Speed
-    public private(set) var hasOptimizeFor:Bool = false
-    public private(set) var hasGoPackage:Bool = false
-    public private(set) var goPackage:String = ""
-
-    public private(set) var hasCcGenericServices:Bool = false
-    public private(set) var ccGenericServices:Bool = false
-
-    public private(set) var hasJavaGenericServices:Bool = false
-    public private(set) var javaGenericServices:Bool = false
-
-    public private(set) var hasPyGenericServices:Bool = false
-    public private(set) var pyGenericServices:Bool = false
-
-    public private(set) var hasDeprecated:Bool = false
-    public private(set) var deprecated:Bool = false
-
-    public private(set) var uninterpretedOption:Array<Google.Protobuf.UninterpretedOption>  = Array<Google.Protobuf.UninterpretedOption>()
-    required public init() {
-         super.init()
-    }
-    override public func isInitialized() -> Bool {
-      var isInituninterpretedOption:Bool = true
-      for oneElementuninterpretedOption in uninterpretedOption {
-          if (!oneElementuninterpretedOption.isInitialized()) {
-              isInituninterpretedOption = false
-              break 
-          }
-      }
-      if !isInituninterpretedOption {
-       return isInituninterpretedOption
-       }
-      if !extensionsAreInitialized() {
-       return false
-      }
-     return true
-    }
-    override public func writeToCodedOutputStream(output:CodedOutputStream) {
-      if hasJavaPackage {
-        output.writeString(1, value:javaPackage)
-      }
-      if hasJavaOuterClassname {
-        output.writeString(8, value:javaOuterClassname)
-      }
-      if hasOptimizeFor {
-        output.writeEnum(9, value:optimizeFor.rawValue)
-      }
-      if hasJavaMultipleFiles {
-        output.writeBool(10, value:javaMultipleFiles)
-      }
-      if hasGoPackage {
-        output.writeString(11, value:goPackage)
-      }
-      if hasCcGenericServices {
-        output.writeBool(16, value:ccGenericServices)
-      }
-      if hasJavaGenericServices {
-        output.writeBool(17, value:javaGenericServices)
-      }
-      if hasPyGenericServices {
-        output.writeBool(18, value:pyGenericServices)
-      }
-      if hasJavaGenerateEqualsAndHash {
-        output.writeBool(20, value:javaGenerateEqualsAndHash)
-      }
-      if hasDeprecated {
-        output.writeBool(23, value:deprecated)
-      }
-      if hasJavaStringCheckUtf8 {
-        output.writeBool(27, value:javaStringCheckUtf8)
-      }
-      for oneElementuninterpretedOption in uninterpretedOption {
-          output.writeMessage(999, value:oneElementuninterpretedOption)
-      }
-      writeExtensionsToCodedOutputStream(output, startInclusive:Int32(1000), endExclusive:Int32(536870912))
-      unknownFields.writeToCodedOutputStream(output)
-    }
-    override public func serializedSize() -> Int32 {
-      var serialize_size:Int32 = memoizedSerializedSize
-      if serialize_size != -1 {
-       return serialize_size
-      }
-
-      serialize_size = 0
-      if hasJavaPackage {
-        serialize_size += javaPackage.computeStringSize(1)
-      }
-      if hasJavaOuterClassname {
-        serialize_size += javaOuterClassname.computeStringSize(8)
-      }
-      if (hasOptimizeFor) {
-        serialize_size += optimizeFor.rawValue.computeEnumSize(9)
-      }
-      if hasJavaMultipleFiles {
-        serialize_size += javaMultipleFiles.computeBoolSize(10)
-      }
-      if hasGoPackage {
-        serialize_size += goPackage.computeStringSize(11)
-      }
-      if hasCcGenericServices {
-        serialize_size += ccGenericServices.computeBoolSize(16)
-      }
-      if hasJavaGenericServices {
-        serialize_size += javaGenericServices.computeBoolSize(17)
-      }
-      if hasPyGenericServices {
-        serialize_size += pyGenericServices.computeBoolSize(18)
-      }
-      if hasJavaGenerateEqualsAndHash {
-        serialize_size += javaGenerateEqualsAndHash.computeBoolSize(20)
-      }
-      if hasDeprecated {
-        serialize_size += deprecated.computeBoolSize(23)
-      }
-      if hasJavaStringCheckUtf8 {
-        serialize_size += javaStringCheckUtf8.computeBoolSize(27)
-      }
-      for oneElementuninterpretedOption in uninterpretedOption {
-          serialize_size += oneElementuninterpretedOption.computeMessageSize(999)
-      }
-      serialize_size += extensionsSerializedSize()
-      serialize_size += unknownFields.serializedSize()
-      memoizedSerializedSize = serialize_size
-      return serialize_size
-    }
-    public class func parseFromData(data:NSData) -> Google.Protobuf.FileOptions {
-      return Google.Protobuf.FileOptions.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-    }
-    public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.FileOptions {
-      return Google.Protobuf.FileOptions.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.FileOptions {
-      return Google.Protobuf.FileOptions.builder().mergeFromInputStream(input).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.FileOptions {
-      return Google.Protobuf.FileOptions.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.FileOptions {
-      return Google.Protobuf.FileOptions.builder().mergeFromCodedInputStream(input).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.FileOptions {
-      return Google.Protobuf.FileOptions.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func builder() -> Google.Protobuf.FileOptionsBuilder {
-      return Google.Protobuf.FileOptions.classBuilder() as Google.Protobuf.FileOptionsBuilder
-    }
-    public func builder() -> Google.Protobuf.FileOptionsBuilder {
-      return classBuilder() as Google.Protobuf.FileOptionsBuilder
-    }
-    public override class func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.FileOptionsBuilder()
-    }
-    public override func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.FileOptions.builder()
-    }
-    public func toBuilder() -> Google.Protobuf.FileOptionsBuilder {
-      return Google.Protobuf.FileOptions.builderWithPrototype(self)
-    }
-    public class func builderWithPrototype(prototype:Google.Protobuf.FileOptions) -> Google.Protobuf.FileOptionsBuilder {
-      return Google.Protobuf.FileOptions.builder().mergeFrom(prototype)
-    }
-    override public func writeDescriptionTo(inout output:String, indent:String) {
-      if hasJavaPackage {
-        output += "\(indent) javaPackage: \(javaPackage) \n"
-      }
-      if hasJavaOuterClassname {
-        output += "\(indent) javaOuterClassname: \(javaOuterClassname) \n"
-      }
-      if (hasOptimizeFor) {
-        output += "\(indent) optimizeFor: \(optimizeFor.rawValue)\n"
-      }
-      if hasJavaMultipleFiles {
-        output += "\(indent) javaMultipleFiles: \(javaMultipleFiles) \n"
-      }
-      if hasGoPackage {
-        output += "\(indent) goPackage: \(goPackage) \n"
-      }
-      if hasCcGenericServices {
-        output += "\(indent) ccGenericServices: \(ccGenericServices) \n"
-      }
-      if hasJavaGenericServices {
-        output += "\(indent) javaGenericServices: \(javaGenericServices) \n"
-      }
-      if hasPyGenericServices {
-        output += "\(indent) pyGenericServices: \(pyGenericServices) \n"
-      }
-      if hasJavaGenerateEqualsAndHash {
-        output += "\(indent) javaGenerateEqualsAndHash: \(javaGenerateEqualsAndHash) \n"
-      }
-      if hasDeprecated {
-        output += "\(indent) deprecated: \(deprecated) \n"
-      }
-      if hasJavaStringCheckUtf8 {
-        output += "\(indent) javaStringCheckUtf8: \(javaStringCheckUtf8) \n"
-      }
-      var uninterpretedOptionElementIndex:Int = 0
-      for oneElementuninterpretedOption in uninterpretedOption {
-          output += "\(indent) uninterpretedOption[\(uninterpretedOptionElementIndex)] {\n"
-          oneElementuninterpretedOption.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          uninterpretedOptionElementIndex++
-      }
-      writeExtensionDescription(&output, startInclusive:Int32(1000), endExclusive:Int32(536870912), indent:indent)
-      unknownFields.writeDescriptionTo(&output, indent:indent)
-    }
-    override public var hashValue:Int {
-        get {
-            var hashCode:Int = 7
-            if hasJavaPackage {
-               hashCode = (hashCode &* 31) &+ javaPackage.hashValue
-            }
-            if hasJavaOuterClassname {
-               hashCode = (hashCode &* 31) &+ javaOuterClassname.hashValue
-            }
-            if hasOptimizeFor {
-               hashCode = (hashCode &* 31) &+ Int(optimizeFor.rawValue)
-            }
-            if hasJavaMultipleFiles {
-               hashCode = (hashCode &* 31) &+ javaMultipleFiles.hashValue
-            }
-            if hasGoPackage {
-               hashCode = (hashCode &* 31) &+ goPackage.hashValue
-            }
-            if hasCcGenericServices {
-               hashCode = (hashCode &* 31) &+ ccGenericServices.hashValue
-            }
-            if hasJavaGenericServices {
-               hashCode = (hashCode &* 31) &+ javaGenericServices.hashValue
-            }
-            if hasPyGenericServices {
-               hashCode = (hashCode &* 31) &+ pyGenericServices.hashValue
-            }
-            if hasJavaGenerateEqualsAndHash {
-               hashCode = (hashCode &* 31) &+ javaGenerateEqualsAndHash.hashValue
-            }
-            if hasDeprecated {
-               hashCode = (hashCode &* 31) &+ deprecated.hashValue
-            }
-            if hasJavaStringCheckUtf8 {
-               hashCode = (hashCode &* 31) &+ javaStringCheckUtf8.hashValue
-            }
-            for oneElementuninterpretedOption in uninterpretedOption {
-                hashCode = (hashCode &* 31) &+ oneElementuninterpretedOption.hashValue
-            }
-            hashCode = (hashCode &* 31) &+ Int(hashExtensionsFrom(Int32(1000), endExclusive:Int32(536870912)))
-            hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-            return hashCode
-        }
-    }
-
-
-    //Meta information declaration start
-
-    override public class func className() -> String {
-        return "Google.Protobuf.FileOptions"
-    }
-    override public func className() -> String {
-        return "Google.Protobuf.FileOptions"
-    }
-    override public func classMetaType() -> GeneratedMessage.Type {
-        return Google.Protobuf.FileOptions.self
-    }
-    //Meta information declaration end
-
-  }
-
-  final public class FileOptionsBuilder : ExtendableMessageBuilder {
-    private var builderResult:Google.Protobuf.FileOptions
-
-    required override public init () {
-       builderResult = Google.Protobuf.FileOptions()
-       super.init()
-    }
-    public var hasJavaPackage:Bool {
-         get {
-              return builderResult.hasJavaPackage
-         }
-    }
-    public var javaPackage:String {
-         get {
-              return builderResult.javaPackage
-         }
-         set (value) {
-             builderResult.hasJavaPackage = true
-             builderResult.javaPackage = value
-         }
-    }
-    public func setJavaPackage(value:String)-> Google.Protobuf.FileOptionsBuilder {
-      self.javaPackage = value
-      return self
-    }
-    public func clearJavaPackage() -> Google.Protobuf.FileOptionsBuilder{
-         builderResult.hasJavaPackage = false
-         builderResult.javaPackage = ""
-         return self
-    }
-    public var hasJavaOuterClassname:Bool {
-         get {
-              return builderResult.hasJavaOuterClassname
-         }
-    }
-    public var javaOuterClassname:String {
-         get {
-              return builderResult.javaOuterClassname
-         }
-         set (value) {
-             builderResult.hasJavaOuterClassname = true
-             builderResult.javaOuterClassname = value
-         }
-    }
-    public func setJavaOuterClassname(value:String)-> Google.Protobuf.FileOptionsBuilder {
-      self.javaOuterClassname = value
-      return self
-    }
-    public func clearJavaOuterClassname() -> Google.Protobuf.FileOptionsBuilder{
-         builderResult.hasJavaOuterClassname = false
-         builderResult.javaOuterClassname = ""
-         return self
-    }
-    public var hasJavaMultipleFiles:Bool {
-         get {
-              return builderResult.hasJavaMultipleFiles
-         }
-    }
-    public var javaMultipleFiles:Bool {
-         get {
-              return builderResult.javaMultipleFiles
-         }
-         set (value) {
-             builderResult.hasJavaMultipleFiles = true
-             builderResult.javaMultipleFiles = value
-         }
-    }
-    public func setJavaMultipleFiles(value:Bool)-> Google.Protobuf.FileOptionsBuilder {
-      self.javaMultipleFiles = value
-      return self
-    }
-    public func clearJavaMultipleFiles() -> Google.Protobuf.FileOptionsBuilder{
-         builderResult.hasJavaMultipleFiles = false
-         builderResult.javaMultipleFiles = false
-         return self
-    }
-    public var hasJavaGenerateEqualsAndHash:Bool {
-         get {
-              return builderResult.hasJavaGenerateEqualsAndHash
-         }
-    }
-    public var javaGenerateEqualsAndHash:Bool {
-         get {
-              return builderResult.javaGenerateEqualsAndHash
-         }
-         set (value) {
-             builderResult.hasJavaGenerateEqualsAndHash = true
-             builderResult.javaGenerateEqualsAndHash = value
-         }
-    }
-    public func setJavaGenerateEqualsAndHash(value:Bool)-> Google.Protobuf.FileOptionsBuilder {
-      self.javaGenerateEqualsAndHash = value
-      return self
-    }
-    public func clearJavaGenerateEqualsAndHash() -> Google.Protobuf.FileOptionsBuilder{
-         builderResult.hasJavaGenerateEqualsAndHash = false
-         builderResult.javaGenerateEqualsAndHash = false
-         return self
-    }
-    public var hasJavaStringCheckUtf8:Bool {
-         get {
-              return builderResult.hasJavaStringCheckUtf8
-         }
-    }
-    public var javaStringCheckUtf8:Bool {
-         get {
-              return builderResult.javaStringCheckUtf8
-         }
-         set (value) {
-             builderResult.hasJavaStringCheckUtf8 = true
-             builderResult.javaStringCheckUtf8 = value
-         }
-    }
-    public func setJavaStringCheckUtf8(value:Bool)-> Google.Protobuf.FileOptionsBuilder {
-      self.javaStringCheckUtf8 = value
-      return self
-    }
-    public func clearJavaStringCheckUtf8() -> Google.Protobuf.FileOptionsBuilder{
-         builderResult.hasJavaStringCheckUtf8 = false
-         builderResult.javaStringCheckUtf8 = false
-         return self
-    }
-      public var hasOptimizeFor:Bool{
-          get {
-              return builderResult.hasOptimizeFor
-          }
-      }
-      public var optimizeFor:Google.Protobuf.FileOptions.OptimizeMode {
-          get {
-              return builderResult.optimizeFor
-          }
-          set (value) {
-              builderResult.hasOptimizeFor = true
-              builderResult.optimizeFor = value
-          }
-      }
-      public func setOptimizeFor(value:Google.Protobuf.FileOptions.OptimizeMode)-> Google.Protobuf.FileOptionsBuilder {
-        self.optimizeFor = value
-        return self
-      }
-      public func clearOptimizeFor() -> Google.Protobuf.FileOptionsBuilder {
-         builderResult.hasOptimizeFor = false
-         builderResult.optimizeFor = .Speed
-         return self
-      }
-    public var hasGoPackage:Bool {
-         get {
-              return builderResult.hasGoPackage
-         }
-    }
-    public var goPackage:String {
-         get {
-              return builderResult.goPackage
-         }
-         set (value) {
-             builderResult.hasGoPackage = true
-             builderResult.goPackage = value
-         }
-    }
-    public func setGoPackage(value:String)-> Google.Protobuf.FileOptionsBuilder {
-      self.goPackage = value
-      return self
-    }
-    public func clearGoPackage() -> Google.Protobuf.FileOptionsBuilder{
-         builderResult.hasGoPackage = false
-         builderResult.goPackage = ""
-         return self
-    }
-    public var hasCcGenericServices:Bool {
-         get {
-              return builderResult.hasCcGenericServices
-         }
-    }
-    public var ccGenericServices:Bool {
-         get {
-              return builderResult.ccGenericServices
-         }
-         set (value) {
-             builderResult.hasCcGenericServices = true
-             builderResult.ccGenericServices = value
-         }
-    }
-    public func setCcGenericServices(value:Bool)-> Google.Protobuf.FileOptionsBuilder {
-      self.ccGenericServices = value
-      return self
-    }
-    public func clearCcGenericServices() -> Google.Protobuf.FileOptionsBuilder{
-         builderResult.hasCcGenericServices = false
-         builderResult.ccGenericServices = false
-         return self
-    }
-    public var hasJavaGenericServices:Bool {
-         get {
-              return builderResult.hasJavaGenericServices
-         }
-    }
-    public var javaGenericServices:Bool {
-         get {
-              return builderResult.javaGenericServices
-         }
-         set (value) {
-             builderResult.hasJavaGenericServices = true
-             builderResult.javaGenericServices = value
-         }
-    }
-    public func setJavaGenericServices(value:Bool)-> Google.Protobuf.FileOptionsBuilder {
-      self.javaGenericServices = value
-      return self
-    }
-    public func clearJavaGenericServices() -> Google.Protobuf.FileOptionsBuilder{
-         builderResult.hasJavaGenericServices = false
-         builderResult.javaGenericServices = false
-         return self
-    }
-    public var hasPyGenericServices:Bool {
-         get {
-              return builderResult.hasPyGenericServices
-         }
-    }
-    public var pyGenericServices:Bool {
-         get {
-              return builderResult.pyGenericServices
-         }
-         set (value) {
-             builderResult.hasPyGenericServices = true
-             builderResult.pyGenericServices = value
-         }
-    }
-    public func setPyGenericServices(value:Bool)-> Google.Protobuf.FileOptionsBuilder {
-      self.pyGenericServices = value
-      return self
-    }
-    public func clearPyGenericServices() -> Google.Protobuf.FileOptionsBuilder{
-         builderResult.hasPyGenericServices = false
-         builderResult.pyGenericServices = false
-         return self
-    }
-    public var hasDeprecated:Bool {
-         get {
-              return builderResult.hasDeprecated
-         }
-    }
-    public var deprecated:Bool {
-         get {
-              return builderResult.deprecated
-         }
-         set (value) {
-             builderResult.hasDeprecated = true
-             builderResult.deprecated = value
-         }
-    }
-    public func setDeprecated(value:Bool)-> Google.Protobuf.FileOptionsBuilder {
-      self.deprecated = value
-      return self
-    }
-    public func clearDeprecated() -> Google.Protobuf.FileOptionsBuilder{
-         builderResult.hasDeprecated = false
-         builderResult.deprecated = false
-         return self
-    }
-    public var uninterpretedOption:Array<Google.Protobuf.UninterpretedOption> {
-         get {
-             return builderResult.uninterpretedOption
-         }
-         set (value) {
-             builderResult.uninterpretedOption = value
-         }
-    }
-    public func setUninterpretedOption(value:Array<Google.Protobuf.UninterpretedOption>)-> Google.Protobuf.FileOptionsBuilder {
-      self.uninterpretedOption = value
-      return self
-    }
-    public func clearUninterpretedOption() -> Google.Protobuf.FileOptionsBuilder {
-      builderResult.uninterpretedOption.removeAll(keepCapacity: false)
-      return self
-    }
-    override public var internalGetResult:ExtendableMessage {
-         get {
-             return builderResult
-         }
-    }
-    public override func clear() -> Google.Protobuf.FileOptionsBuilder {
-      builderResult = Google.Protobuf.FileOptions()
-      return self
-    }
-    public override func clone() -> Google.Protobuf.FileOptionsBuilder {
-      return Google.Protobuf.FileOptions.builderWithPrototype(builderResult)
-    }
-    public override func build() -> Google.Protobuf.FileOptions {
-         checkInitialized()
-         return buildPartial()
-    }
-    public func buildPartial() -> Google.Protobuf.FileOptions {
-      var returnMe:Google.Protobuf.FileOptions = builderResult
-      return returnMe
-    }
-    public func mergeFrom(other:Google.Protobuf.FileOptions) -> Google.Protobuf.FileOptionsBuilder {
-      if (other == Google.Protobuf.FileOptions()) {
-       return self
-      }
-      if other.hasJavaPackage {
-           javaPackage = other.javaPackage
-      }
-      if other.hasJavaOuterClassname {
-           javaOuterClassname = other.javaOuterClassname
-      }
-      if other.hasJavaMultipleFiles {
-           javaMultipleFiles = other.javaMultipleFiles
-      }
-      if other.hasJavaGenerateEqualsAndHash {
-           javaGenerateEqualsAndHash = other.javaGenerateEqualsAndHash
-      }
-      if other.hasJavaStringCheckUtf8 {
-           javaStringCheckUtf8 = other.javaStringCheckUtf8
-      }
-      if other.hasOptimizeFor {
-           optimizeFor = other.optimizeFor
-      }
-      if other.hasGoPackage {
-           goPackage = other.goPackage
-      }
-      if other.hasCcGenericServices {
-           ccGenericServices = other.ccGenericServices
-      }
-      if other.hasJavaGenericServices {
-           javaGenericServices = other.javaGenericServices
-      }
-      if other.hasPyGenericServices {
-           pyGenericServices = other.pyGenericServices
-      }
-      if other.hasDeprecated {
-           deprecated = other.deprecated
-      }
-      if !other.uninterpretedOption.isEmpty  {
-         builderResult.uninterpretedOption += other.uninterpretedOption
-      }
-      mergeExtensionFields(other)
-      mergeUnknownFields(other.unknownFields)
-      return self
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.FileOptionsBuilder {
-         return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.FileOptionsBuilder {
-      var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-      while (true) {
-        var tag = input.readTag()
-        switch tag {
-        case 0: 
-          self.unknownFields = unknownFieldsBuilder.build()
-          return self
-
-        case 10 :
-          javaPackage = input.readString()
-
-        case 66 :
-          javaOuterClassname = input.readString()
-
-        case 72 :
-          let valueIntoptimizeFor = input.readEnum()
-          if let enumsoptimizeFor = Google.Protobuf.FileOptions.OptimizeMode(rawValue:valueIntoptimizeFor){
-               optimizeFor = enumsoptimizeFor
-          } else {
-               unknownFieldsBuilder.mergeVarintField(9, value:Int64(valueIntoptimizeFor))
-          }
-
-        case 80 :
-          javaMultipleFiles = input.readBool()
-
-        case 90 :
-          goPackage = input.readString()
-
-        case 128 :
-          ccGenericServices = input.readBool()
-
-        case 136 :
-          javaGenericServices = input.readBool()
-
-        case 144 :
-          pyGenericServices = input.readBool()
-
-        case 160 :
-          javaGenerateEqualsAndHash = input.readBool()
-
-        case 184 :
-          deprecated = input.readBool()
-
-        case 216 :
-          javaStringCheckUtf8 = input.readBool()
-
-        case 7994 :
-          var subBuilder = Google.Protobuf.UninterpretedOption.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          uninterpretedOption += [subBuilder.buildPartial()]
-
-        default:
-          if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-             unknownFields = unknownFieldsBuilder.build()
-             return self
-          }
-        }
-      }
-    }
-  }
-
-  final public class MessageOptions : ExtendableMessage, GeneratedMessageProtocol {
-    public private(set) var hasMessageSetWireFormat:Bool = false
-    public private(set) var messageSetWireFormat:Bool = false
-
-    public private(set) var hasNoStandardDescriptorAccessor:Bool = false
-    public private(set) var noStandardDescriptorAccessor:Bool = false
-
-    public private(set) var hasDeprecated:Bool = false
-    public private(set) var deprecated:Bool = false
-
-    public private(set) var uninterpretedOption:Array<Google.Protobuf.UninterpretedOption>  = Array<Google.Protobuf.UninterpretedOption>()
-    required public init() {
-         super.init()
-    }
-    override public func isInitialized() -> Bool {
-      var isInituninterpretedOption:Bool = true
-      for oneElementuninterpretedOption in uninterpretedOption {
-          if (!oneElementuninterpretedOption.isInitialized()) {
-              isInituninterpretedOption = false
-              break 
-          }
-      }
-      if !isInituninterpretedOption {
-       return isInituninterpretedOption
-       }
-      if !extensionsAreInitialized() {
-       return false
-      }
-     return true
-    }
-    override public func writeToCodedOutputStream(output:CodedOutputStream) {
-      if hasMessageSetWireFormat {
-        output.writeBool(1, value:messageSetWireFormat)
-      }
-      if hasNoStandardDescriptorAccessor {
-        output.writeBool(2, value:noStandardDescriptorAccessor)
-      }
-      if hasDeprecated {
-        output.writeBool(3, value:deprecated)
-      }
-      for oneElementuninterpretedOption in uninterpretedOption {
-          output.writeMessage(999, value:oneElementuninterpretedOption)
-      }
-      writeExtensionsToCodedOutputStream(output, startInclusive:Int32(1000), endExclusive:Int32(536870912))
-      unknownFields.writeToCodedOutputStream(output)
-    }
-    override public func serializedSize() -> Int32 {
-      var serialize_size:Int32 = memoizedSerializedSize
-      if serialize_size != -1 {
-       return serialize_size
-      }
-
-      serialize_size = 0
-      if hasMessageSetWireFormat {
-        serialize_size += messageSetWireFormat.computeBoolSize(1)
-      }
-      if hasNoStandardDescriptorAccessor {
-        serialize_size += noStandardDescriptorAccessor.computeBoolSize(2)
-      }
-      if hasDeprecated {
-        serialize_size += deprecated.computeBoolSize(3)
-      }
-      for oneElementuninterpretedOption in uninterpretedOption {
-          serialize_size += oneElementuninterpretedOption.computeMessageSize(999)
-      }
-      serialize_size += extensionsSerializedSize()
-      serialize_size += unknownFields.serializedSize()
-      memoizedSerializedSize = serialize_size
-      return serialize_size
-    }
-    public class func parseFromData(data:NSData) -> Google.Protobuf.MessageOptions {
-      return Google.Protobuf.MessageOptions.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-    }
-    public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.MessageOptions {
-      return Google.Protobuf.MessageOptions.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.MessageOptions {
-      return Google.Protobuf.MessageOptions.builder().mergeFromInputStream(input).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.MessageOptions {
-      return Google.Protobuf.MessageOptions.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.MessageOptions {
-      return Google.Protobuf.MessageOptions.builder().mergeFromCodedInputStream(input).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.MessageOptions {
-      return Google.Protobuf.MessageOptions.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func builder() -> Google.Protobuf.MessageOptionsBuilder {
-      return Google.Protobuf.MessageOptions.classBuilder() as Google.Protobuf.MessageOptionsBuilder
-    }
-    public func builder() -> Google.Protobuf.MessageOptionsBuilder {
-      return classBuilder() as Google.Protobuf.MessageOptionsBuilder
-    }
-    public override class func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.MessageOptionsBuilder()
-    }
-    public override func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.MessageOptions.builder()
-    }
-    public func toBuilder() -> Google.Protobuf.MessageOptionsBuilder {
-      return Google.Protobuf.MessageOptions.builderWithPrototype(self)
-    }
-    public class func builderWithPrototype(prototype:Google.Protobuf.MessageOptions) -> Google.Protobuf.MessageOptionsBuilder {
-      return Google.Protobuf.MessageOptions.builder().mergeFrom(prototype)
-    }
-    override public func writeDescriptionTo(inout output:String, indent:String) {
-      if hasMessageSetWireFormat {
-        output += "\(indent) messageSetWireFormat: \(messageSetWireFormat) \n"
-      }
-      if hasNoStandardDescriptorAccessor {
-        output += "\(indent) noStandardDescriptorAccessor: \(noStandardDescriptorAccessor) \n"
-      }
-      if hasDeprecated {
-        output += "\(indent) deprecated: \(deprecated) \n"
-      }
-      var uninterpretedOptionElementIndex:Int = 0
-      for oneElementuninterpretedOption in uninterpretedOption {
-          output += "\(indent) uninterpretedOption[\(uninterpretedOptionElementIndex)] {\n"
-          oneElementuninterpretedOption.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          uninterpretedOptionElementIndex++
-      }
-      writeExtensionDescription(&output, startInclusive:Int32(1000), endExclusive:Int32(536870912), indent:indent)
-      unknownFields.writeDescriptionTo(&output, indent:indent)
-    }
-    override public var hashValue:Int {
-        get {
-            var hashCode:Int = 7
-            if hasMessageSetWireFormat {
-               hashCode = (hashCode &* 31) &+ messageSetWireFormat.hashValue
-            }
-            if hasNoStandardDescriptorAccessor {
-               hashCode = (hashCode &* 31) &+ noStandardDescriptorAccessor.hashValue
-            }
-            if hasDeprecated {
-               hashCode = (hashCode &* 31) &+ deprecated.hashValue
-            }
-            for oneElementuninterpretedOption in uninterpretedOption {
-                hashCode = (hashCode &* 31) &+ oneElementuninterpretedOption.hashValue
-            }
-            hashCode = (hashCode &* 31) &+ Int(hashExtensionsFrom(Int32(1000), endExclusive:Int32(536870912)))
-            hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-            return hashCode
-        }
-    }
-
-
-    //Meta information declaration start
-
-    override public class func className() -> String {
-        return "Google.Protobuf.MessageOptions"
-    }
-    override public func className() -> String {
-        return "Google.Protobuf.MessageOptions"
-    }
-    override public func classMetaType() -> GeneratedMessage.Type {
-        return Google.Protobuf.MessageOptions.self
-    }
-    //Meta information declaration end
-
-  }
-
-  final public class MessageOptionsBuilder : ExtendableMessageBuilder {
-    private var builderResult:Google.Protobuf.MessageOptions
-
-    required override public init () {
-       builderResult = Google.Protobuf.MessageOptions()
-       super.init()
-    }
-    public var hasMessageSetWireFormat:Bool {
-         get {
-              return builderResult.hasMessageSetWireFormat
-         }
-    }
-    public var messageSetWireFormat:Bool {
-         get {
-              return builderResult.messageSetWireFormat
-         }
-         set (value) {
-             builderResult.hasMessageSetWireFormat = true
-             builderResult.messageSetWireFormat = value
-         }
-    }
-    public func setMessageSetWireFormat(value:Bool)-> Google.Protobuf.MessageOptionsBuilder {
-      self.messageSetWireFormat = value
-      return self
-    }
-    public func clearMessageSetWireFormat() -> Google.Protobuf.MessageOptionsBuilder{
-         builderResult.hasMessageSetWireFormat = false
-         builderResult.messageSetWireFormat = false
-         return self
-    }
-    public var hasNoStandardDescriptorAccessor:Bool {
-         get {
-              return builderResult.hasNoStandardDescriptorAccessor
-         }
-    }
-    public var noStandardDescriptorAccessor:Bool {
-         get {
-              return builderResult.noStandardDescriptorAccessor
-         }
-         set (value) {
-             builderResult.hasNoStandardDescriptorAccessor = true
-             builderResult.noStandardDescriptorAccessor = value
-         }
-    }
-    public func setNoStandardDescriptorAccessor(value:Bool)-> Google.Protobuf.MessageOptionsBuilder {
-      self.noStandardDescriptorAccessor = value
-      return self
-    }
-    public func clearNoStandardDescriptorAccessor() -> Google.Protobuf.MessageOptionsBuilder{
-         builderResult.hasNoStandardDescriptorAccessor = false
-         builderResult.noStandardDescriptorAccessor = false
-         return self
-    }
-    public var hasDeprecated:Bool {
-         get {
-              return builderResult.hasDeprecated
-         }
-    }
-    public var deprecated:Bool {
-         get {
-              return builderResult.deprecated
-         }
-         set (value) {
-             builderResult.hasDeprecated = true
-             builderResult.deprecated = value
-         }
-    }
-    public func setDeprecated(value:Bool)-> Google.Protobuf.MessageOptionsBuilder {
-      self.deprecated = value
-      return self
-    }
-    public func clearDeprecated() -> Google.Protobuf.MessageOptionsBuilder{
-         builderResult.hasDeprecated = false
-         builderResult.deprecated = false
-         return self
-    }
-    public var uninterpretedOption:Array<Google.Protobuf.UninterpretedOption> {
-         get {
-             return builderResult.uninterpretedOption
-         }
-         set (value) {
-             builderResult.uninterpretedOption = value
-         }
-    }
-    public func setUninterpretedOption(value:Array<Google.Protobuf.UninterpretedOption>)-> Google.Protobuf.MessageOptionsBuilder {
-      self.uninterpretedOption = value
-      return self
-    }
-    public func clearUninterpretedOption() -> Google.Protobuf.MessageOptionsBuilder {
-      builderResult.uninterpretedOption.removeAll(keepCapacity: false)
-      return self
-    }
-    override public var internalGetResult:ExtendableMessage {
-         get {
-             return builderResult
-         }
-    }
-    public override func clear() -> Google.Protobuf.MessageOptionsBuilder {
-      builderResult = Google.Protobuf.MessageOptions()
-      return self
-    }
-    public override func clone() -> Google.Protobuf.MessageOptionsBuilder {
-      return Google.Protobuf.MessageOptions.builderWithPrototype(builderResult)
-    }
-    public override func build() -> Google.Protobuf.MessageOptions {
-         checkInitialized()
-         return buildPartial()
-    }
-    public func buildPartial() -> Google.Protobuf.MessageOptions {
-      var returnMe:Google.Protobuf.MessageOptions = builderResult
-      return returnMe
-    }
-    public func mergeFrom(other:Google.Protobuf.MessageOptions) -> Google.Protobuf.MessageOptionsBuilder {
-      if (other == Google.Protobuf.MessageOptions()) {
-       return self
-      }
-      if other.hasMessageSetWireFormat {
-           messageSetWireFormat = other.messageSetWireFormat
-      }
-      if other.hasNoStandardDescriptorAccessor {
-           noStandardDescriptorAccessor = other.noStandardDescriptorAccessor
-      }
-      if other.hasDeprecated {
-           deprecated = other.deprecated
-      }
-      if !other.uninterpretedOption.isEmpty  {
-         builderResult.uninterpretedOption += other.uninterpretedOption
-      }
-      mergeExtensionFields(other)
-      mergeUnknownFields(other.unknownFields)
-      return self
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.MessageOptionsBuilder {
-         return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.MessageOptionsBuilder {
-      var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-      while (true) {
-        var tag = input.readTag()
-        switch tag {
-        case 0: 
-          self.unknownFields = unknownFieldsBuilder.build()
-          return self
-
-        case 8 :
-          messageSetWireFormat = input.readBool()
-
-        case 16 :
-          noStandardDescriptorAccessor = input.readBool()
-
-        case 24 :
-          deprecated = input.readBool()
-
-        case 7994 :
-          var subBuilder = Google.Protobuf.UninterpretedOption.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          uninterpretedOption += [subBuilder.buildPartial()]
-
-        default:
-          if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-             unknownFields = unknownFieldsBuilder.build()
-             return self
-          }
-        }
-      }
-    }
-  }
-
-  final public class FieldOptions : ExtendableMessage, GeneratedMessageProtocol {
-
-
-      //Enum type declaration start 
-
-      public enum Ctype:Int32 {
-        case String = 0
-        case Cord = 1
-        case StringPiece = 2
-
-      }
-
-      //Enum type declaration end 
-
-    public private(set) var ctype:Google.Protobuf.FieldOptions.Ctype = Google.Protobuf.FieldOptions.Ctype.String
-    public private(set) var hasCtype:Bool = false
-    public private(set) var hasPacked:Bool = false
-    public private(set) var packed:Bool = false
-
-    public private(set) var hasLazy:Bool = false
-    public private(set) var lazy:Bool = false
-
-    public private(set) var hasDeprecated:Bool = false
-    public private(set) var deprecated:Bool = false
-
-    public private(set) var hasExperimentalMapKey:Bool = false
-    public private(set) var experimentalMapKey:String = ""
-
-    public private(set) var hasWeak:Bool = false
-    public private(set) var weak:Bool = false
-
-    public private(set) var uninterpretedOption:Array<Google.Protobuf.UninterpretedOption>  = Array<Google.Protobuf.UninterpretedOption>()
-    required public init() {
-         super.init()
-    }
-    override public func isInitialized() -> Bool {
-      var isInituninterpretedOption:Bool = true
-      for oneElementuninterpretedOption in uninterpretedOption {
-          if (!oneElementuninterpretedOption.isInitialized()) {
-              isInituninterpretedOption = false
-              break 
-          }
-      }
-      if !isInituninterpretedOption {
-       return isInituninterpretedOption
-       }
-      if !extensionsAreInitialized() {
-       return false
-      }
-     return true
-    }
-    override public func writeToCodedOutputStream(output:CodedOutputStream) {
-      if hasCtype {
-        output.writeEnum(1, value:ctype.rawValue)
-      }
-      if hasPacked {
-        output.writeBool(2, value:packed)
-      }
-      if hasDeprecated {
-        output.writeBool(3, value:deprecated)
-      }
-      if hasLazy {
-        output.writeBool(5, value:lazy)
-      }
-      if hasExperimentalMapKey {
-        output.writeString(9, value:experimentalMapKey)
-      }
-      if hasWeak {
-        output.writeBool(10, value:weak)
-      }
-      for oneElementuninterpretedOption in uninterpretedOption {
-          output.writeMessage(999, value:oneElementuninterpretedOption)
-      }
-      writeExtensionsToCodedOutputStream(output, startInclusive:Int32(1000), endExclusive:Int32(536870912))
-      unknownFields.writeToCodedOutputStream(output)
-    }
-    override public func serializedSize() -> Int32 {
-      var serialize_size:Int32 = memoizedSerializedSize
-      if serialize_size != -1 {
-       return serialize_size
-      }
-
-      serialize_size = 0
-      if (hasCtype) {
-        serialize_size += ctype.rawValue.computeEnumSize(1)
-      }
-      if hasPacked {
-        serialize_size += packed.computeBoolSize(2)
-      }
-      if hasDeprecated {
-        serialize_size += deprecated.computeBoolSize(3)
-      }
-      if hasLazy {
-        serialize_size += lazy.computeBoolSize(5)
-      }
-      if hasExperimentalMapKey {
-        serialize_size += experimentalMapKey.computeStringSize(9)
-      }
-      if hasWeak {
-        serialize_size += weak.computeBoolSize(10)
-      }
-      for oneElementuninterpretedOption in uninterpretedOption {
-          serialize_size += oneElementuninterpretedOption.computeMessageSize(999)
-      }
-      serialize_size += extensionsSerializedSize()
-      serialize_size += unknownFields.serializedSize()
-      memoizedSerializedSize = serialize_size
-      return serialize_size
-    }
-    public class func parseFromData(data:NSData) -> Google.Protobuf.FieldOptions {
-      return Google.Protobuf.FieldOptions.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-    }
-    public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.FieldOptions {
-      return Google.Protobuf.FieldOptions.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.FieldOptions {
-      return Google.Protobuf.FieldOptions.builder().mergeFromInputStream(input).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.FieldOptions {
-      return Google.Protobuf.FieldOptions.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.FieldOptions {
-      return Google.Protobuf.FieldOptions.builder().mergeFromCodedInputStream(input).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.FieldOptions {
-      return Google.Protobuf.FieldOptions.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func builder() -> Google.Protobuf.FieldOptionsBuilder {
-      return Google.Protobuf.FieldOptions.classBuilder() as Google.Protobuf.FieldOptionsBuilder
-    }
-    public func builder() -> Google.Protobuf.FieldOptionsBuilder {
-      return classBuilder() as Google.Protobuf.FieldOptionsBuilder
-    }
-    public override class func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.FieldOptionsBuilder()
-    }
-    public override func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.FieldOptions.builder()
-    }
-    public func toBuilder() -> Google.Protobuf.FieldOptionsBuilder {
-      return Google.Protobuf.FieldOptions.builderWithPrototype(self)
-    }
-    public class func builderWithPrototype(prototype:Google.Protobuf.FieldOptions) -> Google.Protobuf.FieldOptionsBuilder {
-      return Google.Protobuf.FieldOptions.builder().mergeFrom(prototype)
-    }
-    override public func writeDescriptionTo(inout output:String, indent:String) {
-      if (hasCtype) {
-        output += "\(indent) ctype: \(ctype.rawValue)\n"
-      }
-      if hasPacked {
-        output += "\(indent) packed: \(packed) \n"
-      }
-      if hasDeprecated {
-        output += "\(indent) deprecated: \(deprecated) \n"
-      }
-      if hasLazy {
-        output += "\(indent) lazy: \(lazy) \n"
-      }
-      if hasExperimentalMapKey {
-        output += "\(indent) experimentalMapKey: \(experimentalMapKey) \n"
-      }
-      if hasWeak {
-        output += "\(indent) weak: \(weak) \n"
-      }
-      var uninterpretedOptionElementIndex:Int = 0
-      for oneElementuninterpretedOption in uninterpretedOption {
-          output += "\(indent) uninterpretedOption[\(uninterpretedOptionElementIndex)] {\n"
-          oneElementuninterpretedOption.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          uninterpretedOptionElementIndex++
-      }
-      writeExtensionDescription(&output, startInclusive:Int32(1000), endExclusive:Int32(536870912), indent:indent)
-      unknownFields.writeDescriptionTo(&output, indent:indent)
-    }
-    override public var hashValue:Int {
-        get {
-            var hashCode:Int = 7
-            if hasCtype {
-               hashCode = (hashCode &* 31) &+ Int(ctype.rawValue)
-            }
-            if hasPacked {
-               hashCode = (hashCode &* 31) &+ packed.hashValue
-            }
-            if hasDeprecated {
-               hashCode = (hashCode &* 31) &+ deprecated.hashValue
-            }
-            if hasLazy {
-               hashCode = (hashCode &* 31) &+ lazy.hashValue
-            }
-            if hasExperimentalMapKey {
-               hashCode = (hashCode &* 31) &+ experimentalMapKey.hashValue
-            }
-            if hasWeak {
-               hashCode = (hashCode &* 31) &+ weak.hashValue
-            }
-            for oneElementuninterpretedOption in uninterpretedOption {
-                hashCode = (hashCode &* 31) &+ oneElementuninterpretedOption.hashValue
-            }
-            hashCode = (hashCode &* 31) &+ Int(hashExtensionsFrom(Int32(1000), endExclusive:Int32(536870912)))
-            hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-            return hashCode
-        }
-    }
-
-
-    //Meta information declaration start
-
-    override public class func className() -> String {
-        return "Google.Protobuf.FieldOptions"
-    }
-    override public func className() -> String {
-        return "Google.Protobuf.FieldOptions"
-    }
-    override public func classMetaType() -> GeneratedMessage.Type {
-        return Google.Protobuf.FieldOptions.self
-    }
-    //Meta information declaration end
-
-  }
-
-  final public class FieldOptionsBuilder : ExtendableMessageBuilder {
-    private var builderResult:Google.Protobuf.FieldOptions
-
-    required override public init () {
-       builderResult = Google.Protobuf.FieldOptions()
-       super.init()
-    }
-      public var hasCtype:Bool{
-          get {
-              return builderResult.hasCtype
-          }
-      }
-      public var ctype:Google.Protobuf.FieldOptions.Ctype {
-          get {
-              return builderResult.ctype
-          }
-          set (value) {
-              builderResult.hasCtype = true
-              builderResult.ctype = value
-          }
-      }
-      public func setCtype(value:Google.Protobuf.FieldOptions.Ctype)-> Google.Protobuf.FieldOptionsBuilder {
-        self.ctype = value
-        return self
-      }
-      public func clearCtype() -> Google.Protobuf.FieldOptionsBuilder {
-         builderResult.hasCtype = false
-         builderResult.ctype = .String
-         return self
-      }
-    public var hasPacked:Bool {
-         get {
-              return builderResult.hasPacked
-         }
-    }
-    public var packed:Bool {
-         get {
-              return builderResult.packed
-         }
-         set (value) {
-             builderResult.hasPacked = true
-             builderResult.packed = value
-         }
-    }
-    public func setPacked(value:Bool)-> Google.Protobuf.FieldOptionsBuilder {
-      self.packed = value
-      return self
-    }
-    public func clearPacked() -> Google.Protobuf.FieldOptionsBuilder{
-         builderResult.hasPacked = false
-         builderResult.packed = false
-         return self
-    }
-    public var hasLazy:Bool {
-         get {
-              return builderResult.hasLazy
-         }
-    }
-    public var lazy:Bool {
-         get {
-              return builderResult.lazy
-         }
-         set (value) {
-             builderResult.hasLazy = true
-             builderResult.lazy = value
-         }
-    }
-    public func setLazy(value:Bool)-> Google.Protobuf.FieldOptionsBuilder {
-      self.lazy = value
-      return self
-    }
-    public func clearLazy() -> Google.Protobuf.FieldOptionsBuilder{
-         builderResult.hasLazy = false
-         builderResult.lazy = false
-         return self
-    }
-    public var hasDeprecated:Bool {
-         get {
-              return builderResult.hasDeprecated
-         }
-    }
-    public var deprecated:Bool {
-         get {
-              return builderResult.deprecated
-         }
-         set (value) {
-             builderResult.hasDeprecated = true
-             builderResult.deprecated = value
-         }
-    }
-    public func setDeprecated(value:Bool)-> Google.Protobuf.FieldOptionsBuilder {
-      self.deprecated = value
-      return self
-    }
-    public func clearDeprecated() -> Google.Protobuf.FieldOptionsBuilder{
-         builderResult.hasDeprecated = false
-         builderResult.deprecated = false
-         return self
-    }
-    public var hasExperimentalMapKey:Bool {
-         get {
-              return builderResult.hasExperimentalMapKey
-         }
-    }
-    public var experimentalMapKey:String {
-         get {
-              return builderResult.experimentalMapKey
-         }
-         set (value) {
-             builderResult.hasExperimentalMapKey = true
-             builderResult.experimentalMapKey = value
-         }
-    }
-    public func setExperimentalMapKey(value:String)-> Google.Protobuf.FieldOptionsBuilder {
-      self.experimentalMapKey = value
-      return self
-    }
-    public func clearExperimentalMapKey() -> Google.Protobuf.FieldOptionsBuilder{
-         builderResult.hasExperimentalMapKey = false
-         builderResult.experimentalMapKey = ""
-         return self
-    }
-    public var hasWeak:Bool {
-         get {
-              return builderResult.hasWeak
-         }
-    }
-    public var weak:Bool {
-         get {
-              return builderResult.weak
-         }
-         set (value) {
-             builderResult.hasWeak = true
-             builderResult.weak = value
-         }
-    }
-    public func setWeak(value:Bool)-> Google.Protobuf.FieldOptionsBuilder {
-      self.weak = value
-      return self
-    }
-    public func clearWeak() -> Google.Protobuf.FieldOptionsBuilder{
-         builderResult.hasWeak = false
-         builderResult.weak = false
-         return self
-    }
-    public var uninterpretedOption:Array<Google.Protobuf.UninterpretedOption> {
-         get {
-             return builderResult.uninterpretedOption
-         }
-         set (value) {
-             builderResult.uninterpretedOption = value
-         }
-    }
-    public func setUninterpretedOption(value:Array<Google.Protobuf.UninterpretedOption>)-> Google.Protobuf.FieldOptionsBuilder {
-      self.uninterpretedOption = value
-      return self
-    }
-    public func clearUninterpretedOption() -> Google.Protobuf.FieldOptionsBuilder {
-      builderResult.uninterpretedOption.removeAll(keepCapacity: false)
-      return self
-    }
-    override public var internalGetResult:ExtendableMessage {
-         get {
-             return builderResult
-         }
-    }
-    public override func clear() -> Google.Protobuf.FieldOptionsBuilder {
-      builderResult = Google.Protobuf.FieldOptions()
-      return self
-    }
-    public override func clone() -> Google.Protobuf.FieldOptionsBuilder {
-      return Google.Protobuf.FieldOptions.builderWithPrototype(builderResult)
-    }
-    public override func build() -> Google.Protobuf.FieldOptions {
-         checkInitialized()
-         return buildPartial()
-    }
-    public func buildPartial() -> Google.Protobuf.FieldOptions {
-      var returnMe:Google.Protobuf.FieldOptions = builderResult
-      return returnMe
-    }
-    public func mergeFrom(other:Google.Protobuf.FieldOptions) -> Google.Protobuf.FieldOptionsBuilder {
-      if (other == Google.Protobuf.FieldOptions()) {
-       return self
-      }
-      if other.hasCtype {
-           ctype = other.ctype
-      }
-      if other.hasPacked {
-           packed = other.packed
-      }
-      if other.hasLazy {
-           lazy = other.lazy
-      }
-      if other.hasDeprecated {
-           deprecated = other.deprecated
-      }
-      if other.hasExperimentalMapKey {
-           experimentalMapKey = other.experimentalMapKey
-      }
-      if other.hasWeak {
-           weak = other.weak
-      }
-      if !other.uninterpretedOption.isEmpty  {
-         builderResult.uninterpretedOption += other.uninterpretedOption
-      }
-      mergeExtensionFields(other)
-      mergeUnknownFields(other.unknownFields)
-      return self
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.FieldOptionsBuilder {
-         return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.FieldOptionsBuilder {
-      var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-      while (true) {
-        var tag = input.readTag()
-        switch tag {
-        case 0: 
-          self.unknownFields = unknownFieldsBuilder.build()
-          return self
-
-        case 8 :
-          let valueIntctype = input.readEnum()
-          if let enumsctype = Google.Protobuf.FieldOptions.Ctype(rawValue:valueIntctype){
-               ctype = enumsctype
-          } else {
-               unknownFieldsBuilder.mergeVarintField(1, value:Int64(valueIntctype))
-          }
-
-        case 16 :
-          packed = input.readBool()
-
-        case 24 :
-          deprecated = input.readBool()
-
-        case 40 :
-          lazy = input.readBool()
-
-        case 74 :
-          experimentalMapKey = input.readString()
-
-        case 80 :
-          weak = input.readBool()
-
-        case 7994 :
-          var subBuilder = Google.Protobuf.UninterpretedOption.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          uninterpretedOption += [subBuilder.buildPartial()]
-
-        default:
-          if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-             unknownFields = unknownFieldsBuilder.build()
-             return self
-          }
-        }
-      }
-    }
-  }
-
-  final public class EnumOptions : ExtendableMessage, GeneratedMessageProtocol {
-    public private(set) var hasAllowAlias:Bool = false
-    public private(set) var allowAlias:Bool = false
-
-    public private(set) var hasDeprecated:Bool = false
-    public private(set) var deprecated:Bool = false
-
-    public private(set) var uninterpretedOption:Array<Google.Protobuf.UninterpretedOption>  = Array<Google.Protobuf.UninterpretedOption>()
-    required public init() {
-         super.init()
-    }
-    override public func isInitialized() -> Bool {
-      var isInituninterpretedOption:Bool = true
-      for oneElementuninterpretedOption in uninterpretedOption {
-          if (!oneElementuninterpretedOption.isInitialized()) {
-              isInituninterpretedOption = false
-              break 
-          }
-      }
-      if !isInituninterpretedOption {
-       return isInituninterpretedOption
-       }
-      if !extensionsAreInitialized() {
-       return false
-      }
-     return true
-    }
-    override public func writeToCodedOutputStream(output:CodedOutputStream) {
-      if hasAllowAlias {
-        output.writeBool(2, value:allowAlias)
-      }
-      if hasDeprecated {
-        output.writeBool(3, value:deprecated)
-      }
-      for oneElementuninterpretedOption in uninterpretedOption {
-          output.writeMessage(999, value:oneElementuninterpretedOption)
-      }
-      writeExtensionsToCodedOutputStream(output, startInclusive:Int32(1000), endExclusive:Int32(536870912))
-      unknownFields.writeToCodedOutputStream(output)
-    }
-    override public func serializedSize() -> Int32 {
-      var serialize_size:Int32 = memoizedSerializedSize
-      if serialize_size != -1 {
-       return serialize_size
-      }
-
-      serialize_size = 0
-      if hasAllowAlias {
-        serialize_size += allowAlias.computeBoolSize(2)
-      }
-      if hasDeprecated {
-        serialize_size += deprecated.computeBoolSize(3)
-      }
-      for oneElementuninterpretedOption in uninterpretedOption {
-          serialize_size += oneElementuninterpretedOption.computeMessageSize(999)
-      }
-      serialize_size += extensionsSerializedSize()
-      serialize_size += unknownFields.serializedSize()
-      memoizedSerializedSize = serialize_size
-      return serialize_size
-    }
-    public class func parseFromData(data:NSData) -> Google.Protobuf.EnumOptions {
-      return Google.Protobuf.EnumOptions.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-    }
-    public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.EnumOptions {
-      return Google.Protobuf.EnumOptions.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.EnumOptions {
-      return Google.Protobuf.EnumOptions.builder().mergeFromInputStream(input).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.EnumOptions {
-      return Google.Protobuf.EnumOptions.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.EnumOptions {
-      return Google.Protobuf.EnumOptions.builder().mergeFromCodedInputStream(input).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.EnumOptions {
-      return Google.Protobuf.EnumOptions.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func builder() -> Google.Protobuf.EnumOptionsBuilder {
-      return Google.Protobuf.EnumOptions.classBuilder() as Google.Protobuf.EnumOptionsBuilder
-    }
-    public func builder() -> Google.Protobuf.EnumOptionsBuilder {
-      return classBuilder() as Google.Protobuf.EnumOptionsBuilder
-    }
-    public override class func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.EnumOptionsBuilder()
-    }
-    public override func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.EnumOptions.builder()
-    }
-    public func toBuilder() -> Google.Protobuf.EnumOptionsBuilder {
-      return Google.Protobuf.EnumOptions.builderWithPrototype(self)
-    }
-    public class func builderWithPrototype(prototype:Google.Protobuf.EnumOptions) -> Google.Protobuf.EnumOptionsBuilder {
-      return Google.Protobuf.EnumOptions.builder().mergeFrom(prototype)
-    }
-    override public func writeDescriptionTo(inout output:String, indent:String) {
-      if hasAllowAlias {
-        output += "\(indent) allowAlias: \(allowAlias) \n"
-      }
-      if hasDeprecated {
-        output += "\(indent) deprecated: \(deprecated) \n"
-      }
-      var uninterpretedOptionElementIndex:Int = 0
-      for oneElementuninterpretedOption in uninterpretedOption {
-          output += "\(indent) uninterpretedOption[\(uninterpretedOptionElementIndex)] {\n"
-          oneElementuninterpretedOption.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          uninterpretedOptionElementIndex++
-      }
-      writeExtensionDescription(&output, startInclusive:Int32(1000), endExclusive:Int32(536870912), indent:indent)
-      unknownFields.writeDescriptionTo(&output, indent:indent)
-    }
-    override public var hashValue:Int {
-        get {
-            var hashCode:Int = 7
-            if hasAllowAlias {
-               hashCode = (hashCode &* 31) &+ allowAlias.hashValue
-            }
-            if hasDeprecated {
-               hashCode = (hashCode &* 31) &+ deprecated.hashValue
-            }
-            for oneElementuninterpretedOption in uninterpretedOption {
-                hashCode = (hashCode &* 31) &+ oneElementuninterpretedOption.hashValue
-            }
-            hashCode = (hashCode &* 31) &+ Int(hashExtensionsFrom(Int32(1000), endExclusive:Int32(536870912)))
-            hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-            return hashCode
-        }
-    }
-
-
-    //Meta information declaration start
-
-    override public class func className() -> String {
-        return "Google.Protobuf.EnumOptions"
-    }
-    override public func className() -> String {
-        return "Google.Protobuf.EnumOptions"
-    }
-    override public func classMetaType() -> GeneratedMessage.Type {
-        return Google.Protobuf.EnumOptions.self
-    }
-    //Meta information declaration end
-
-  }
-
-  final public class EnumOptionsBuilder : ExtendableMessageBuilder {
-    private var builderResult:Google.Protobuf.EnumOptions
-
-    required override public init () {
-       builderResult = Google.Protobuf.EnumOptions()
-       super.init()
-    }
-    public var hasAllowAlias:Bool {
-         get {
-              return builderResult.hasAllowAlias
-         }
-    }
-    public var allowAlias:Bool {
-         get {
-              return builderResult.allowAlias
-         }
-         set (value) {
-             builderResult.hasAllowAlias = true
-             builderResult.allowAlias = value
-         }
-    }
-    public func setAllowAlias(value:Bool)-> Google.Protobuf.EnumOptionsBuilder {
-      self.allowAlias = value
-      return self
-    }
-    public func clearAllowAlias() -> Google.Protobuf.EnumOptionsBuilder{
-         builderResult.hasAllowAlias = false
-         builderResult.allowAlias = false
-         return self
-    }
-    public var hasDeprecated:Bool {
-         get {
-              return builderResult.hasDeprecated
-         }
-    }
-    public var deprecated:Bool {
-         get {
-              return builderResult.deprecated
-         }
-         set (value) {
-             builderResult.hasDeprecated = true
-             builderResult.deprecated = value
-         }
-    }
-    public func setDeprecated(value:Bool)-> Google.Protobuf.EnumOptionsBuilder {
-      self.deprecated = value
-      return self
-    }
-    public func clearDeprecated() -> Google.Protobuf.EnumOptionsBuilder{
-         builderResult.hasDeprecated = false
-         builderResult.deprecated = false
-         return self
-    }
-    public var uninterpretedOption:Array<Google.Protobuf.UninterpretedOption> {
-         get {
-             return builderResult.uninterpretedOption
-         }
-         set (value) {
-             builderResult.uninterpretedOption = value
-         }
-    }
-    public func setUninterpretedOption(value:Array<Google.Protobuf.UninterpretedOption>)-> Google.Protobuf.EnumOptionsBuilder {
-      self.uninterpretedOption = value
-      return self
-    }
-    public func clearUninterpretedOption() -> Google.Protobuf.EnumOptionsBuilder {
-      builderResult.uninterpretedOption.removeAll(keepCapacity: false)
-      return self
-    }
-    override public var internalGetResult:ExtendableMessage {
-         get {
-             return builderResult
-         }
-    }
-    public override func clear() -> Google.Protobuf.EnumOptionsBuilder {
-      builderResult = Google.Protobuf.EnumOptions()
-      return self
-    }
-    public override func clone() -> Google.Protobuf.EnumOptionsBuilder {
-      return Google.Protobuf.EnumOptions.builderWithPrototype(builderResult)
-    }
-    public override func build() -> Google.Protobuf.EnumOptions {
-         checkInitialized()
-         return buildPartial()
-    }
-    public func buildPartial() -> Google.Protobuf.EnumOptions {
-      var returnMe:Google.Protobuf.EnumOptions = builderResult
-      return returnMe
-    }
-    public func mergeFrom(other:Google.Protobuf.EnumOptions) -> Google.Protobuf.EnumOptionsBuilder {
-      if (other == Google.Protobuf.EnumOptions()) {
-       return self
-      }
-      if other.hasAllowAlias {
-           allowAlias = other.allowAlias
-      }
-      if other.hasDeprecated {
-           deprecated = other.deprecated
-      }
-      if !other.uninterpretedOption.isEmpty  {
-         builderResult.uninterpretedOption += other.uninterpretedOption
-      }
-      mergeExtensionFields(other)
-      mergeUnknownFields(other.unknownFields)
-      return self
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.EnumOptionsBuilder {
-         return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.EnumOptionsBuilder {
-      var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-      while (true) {
-        var tag = input.readTag()
-        switch tag {
-        case 0: 
-          self.unknownFields = unknownFieldsBuilder.build()
-          return self
-
-        case 16 :
-          allowAlias = input.readBool()
-
-        case 24 :
-          deprecated = input.readBool()
-
-        case 7994 :
-          var subBuilder = Google.Protobuf.UninterpretedOption.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          uninterpretedOption += [subBuilder.buildPartial()]
-
-        default:
-          if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-             unknownFields = unknownFieldsBuilder.build()
-             return self
-          }
-        }
-      }
-    }
-  }
-
-  final public class EnumValueOptions : ExtendableMessage, GeneratedMessageProtocol {
-    public private(set) var hasDeprecated:Bool = false
-    public private(set) var deprecated:Bool = false
-
-    public private(set) var uninterpretedOption:Array<Google.Protobuf.UninterpretedOption>  = Array<Google.Protobuf.UninterpretedOption>()
-    required public init() {
-         super.init()
-    }
-    override public func isInitialized() -> Bool {
-      var isInituninterpretedOption:Bool = true
-      for oneElementuninterpretedOption in uninterpretedOption {
-          if (!oneElementuninterpretedOption.isInitialized()) {
-              isInituninterpretedOption = false
-              break 
-          }
-      }
-      if !isInituninterpretedOption {
-       return isInituninterpretedOption
-       }
-      if !extensionsAreInitialized() {
-       return false
-      }
-     return true
-    }
-    override public func writeToCodedOutputStream(output:CodedOutputStream) {
-      if hasDeprecated {
-        output.writeBool(1, value:deprecated)
-      }
-      for oneElementuninterpretedOption in uninterpretedOption {
-          output.writeMessage(999, value:oneElementuninterpretedOption)
-      }
-      writeExtensionsToCodedOutputStream(output, startInclusive:Int32(1000), endExclusive:Int32(536870912))
-      unknownFields.writeToCodedOutputStream(output)
-    }
-    override public func serializedSize() -> Int32 {
-      var serialize_size:Int32 = memoizedSerializedSize
-      if serialize_size != -1 {
-       return serialize_size
-      }
-
-      serialize_size = 0
-      if hasDeprecated {
-        serialize_size += deprecated.computeBoolSize(1)
-      }
-      for oneElementuninterpretedOption in uninterpretedOption {
-          serialize_size += oneElementuninterpretedOption.computeMessageSize(999)
-      }
-      serialize_size += extensionsSerializedSize()
-      serialize_size += unknownFields.serializedSize()
-      memoizedSerializedSize = serialize_size
-      return serialize_size
-    }
-    public class func parseFromData(data:NSData) -> Google.Protobuf.EnumValueOptions {
-      return Google.Protobuf.EnumValueOptions.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-    }
-    public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.EnumValueOptions {
-      return Google.Protobuf.EnumValueOptions.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.EnumValueOptions {
-      return Google.Protobuf.EnumValueOptions.builder().mergeFromInputStream(input).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.EnumValueOptions {
-      return Google.Protobuf.EnumValueOptions.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.EnumValueOptions {
-      return Google.Protobuf.EnumValueOptions.builder().mergeFromCodedInputStream(input).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.EnumValueOptions {
-      return Google.Protobuf.EnumValueOptions.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func builder() -> Google.Protobuf.EnumValueOptionsBuilder {
-      return Google.Protobuf.EnumValueOptions.classBuilder() as Google.Protobuf.EnumValueOptionsBuilder
-    }
-    public func builder() -> Google.Protobuf.EnumValueOptionsBuilder {
-      return classBuilder() as Google.Protobuf.EnumValueOptionsBuilder
-    }
-    public override class func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.EnumValueOptionsBuilder()
-    }
-    public override func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.EnumValueOptions.builder()
-    }
-    public func toBuilder() -> Google.Protobuf.EnumValueOptionsBuilder {
-      return Google.Protobuf.EnumValueOptions.builderWithPrototype(self)
-    }
-    public class func builderWithPrototype(prototype:Google.Protobuf.EnumValueOptions) -> Google.Protobuf.EnumValueOptionsBuilder {
-      return Google.Protobuf.EnumValueOptions.builder().mergeFrom(prototype)
-    }
-    override public func writeDescriptionTo(inout output:String, indent:String) {
-      if hasDeprecated {
-        output += "\(indent) deprecated: \(deprecated) \n"
-      }
-      var uninterpretedOptionElementIndex:Int = 0
-      for oneElementuninterpretedOption in uninterpretedOption {
-          output += "\(indent) uninterpretedOption[\(uninterpretedOptionElementIndex)] {\n"
-          oneElementuninterpretedOption.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          uninterpretedOptionElementIndex++
-      }
-      writeExtensionDescription(&output, startInclusive:Int32(1000), endExclusive:Int32(536870912), indent:indent)
-      unknownFields.writeDescriptionTo(&output, indent:indent)
-    }
-    override public var hashValue:Int {
-        get {
-            var hashCode:Int = 7
-            if hasDeprecated {
-               hashCode = (hashCode &* 31) &+ deprecated.hashValue
-            }
-            for oneElementuninterpretedOption in uninterpretedOption {
-                hashCode = (hashCode &* 31) &+ oneElementuninterpretedOption.hashValue
-            }
-            hashCode = (hashCode &* 31) &+ Int(hashExtensionsFrom(Int32(1000), endExclusive:Int32(536870912)))
-            hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-            return hashCode
-        }
-    }
-
-
-    //Meta information declaration start
-
-    override public class func className() -> String {
-        return "Google.Protobuf.EnumValueOptions"
-    }
-    override public func className() -> String {
-        return "Google.Protobuf.EnumValueOptions"
-    }
-    override public func classMetaType() -> GeneratedMessage.Type {
-        return Google.Protobuf.EnumValueOptions.self
-    }
-    //Meta information declaration end
-
-  }
-
-  final public class EnumValueOptionsBuilder : ExtendableMessageBuilder {
-    private var builderResult:Google.Protobuf.EnumValueOptions
-
-    required override public init () {
-       builderResult = Google.Protobuf.EnumValueOptions()
-       super.init()
-    }
-    public var hasDeprecated:Bool {
-         get {
-              return builderResult.hasDeprecated
-         }
-    }
-    public var deprecated:Bool {
-         get {
-              return builderResult.deprecated
-         }
-         set (value) {
-             builderResult.hasDeprecated = true
-             builderResult.deprecated = value
-         }
-    }
-    public func setDeprecated(value:Bool)-> Google.Protobuf.EnumValueOptionsBuilder {
-      self.deprecated = value
-      return self
-    }
-    public func clearDeprecated() -> Google.Protobuf.EnumValueOptionsBuilder{
-         builderResult.hasDeprecated = false
-         builderResult.deprecated = false
-         return self
-    }
-    public var uninterpretedOption:Array<Google.Protobuf.UninterpretedOption> {
-         get {
-             return builderResult.uninterpretedOption
-         }
-         set (value) {
-             builderResult.uninterpretedOption = value
-         }
-    }
-    public func setUninterpretedOption(value:Array<Google.Protobuf.UninterpretedOption>)-> Google.Protobuf.EnumValueOptionsBuilder {
-      self.uninterpretedOption = value
-      return self
-    }
-    public func clearUninterpretedOption() -> Google.Protobuf.EnumValueOptionsBuilder {
-      builderResult.uninterpretedOption.removeAll(keepCapacity: false)
-      return self
-    }
-    override public var internalGetResult:ExtendableMessage {
-         get {
-             return builderResult
-         }
-    }
-    public override func clear() -> Google.Protobuf.EnumValueOptionsBuilder {
-      builderResult = Google.Protobuf.EnumValueOptions()
-      return self
-    }
-    public override func clone() -> Google.Protobuf.EnumValueOptionsBuilder {
-      return Google.Protobuf.EnumValueOptions.builderWithPrototype(builderResult)
-    }
-    public override func build() -> Google.Protobuf.EnumValueOptions {
-         checkInitialized()
-         return buildPartial()
-    }
-    public func buildPartial() -> Google.Protobuf.EnumValueOptions {
-      var returnMe:Google.Protobuf.EnumValueOptions = builderResult
-      return returnMe
-    }
-    public func mergeFrom(other:Google.Protobuf.EnumValueOptions) -> Google.Protobuf.EnumValueOptionsBuilder {
-      if (other == Google.Protobuf.EnumValueOptions()) {
-       return self
-      }
-      if other.hasDeprecated {
-           deprecated = other.deprecated
-      }
-      if !other.uninterpretedOption.isEmpty  {
-         builderResult.uninterpretedOption += other.uninterpretedOption
-      }
-      mergeExtensionFields(other)
-      mergeUnknownFields(other.unknownFields)
-      return self
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.EnumValueOptionsBuilder {
-         return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.EnumValueOptionsBuilder {
-      var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-      while (true) {
-        var tag = input.readTag()
-        switch tag {
-        case 0: 
-          self.unknownFields = unknownFieldsBuilder.build()
-          return self
-
-        case 8 :
-          deprecated = input.readBool()
-
-        case 7994 :
-          var subBuilder = Google.Protobuf.UninterpretedOption.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          uninterpretedOption += [subBuilder.buildPartial()]
-
-        default:
-          if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-             unknownFields = unknownFieldsBuilder.build()
-             return self
-          }
-        }
-      }
-    }
-  }
-
-  final public class ServiceOptions : ExtendableMessage, GeneratedMessageProtocol {
-    public private(set) var hasDeprecated:Bool = false
-    public private(set) var deprecated:Bool = false
-
-    public private(set) var uninterpretedOption:Array<Google.Protobuf.UninterpretedOption>  = Array<Google.Protobuf.UninterpretedOption>()
-    required public init() {
-         super.init()
-    }
-    override public func isInitialized() -> Bool {
-      var isInituninterpretedOption:Bool = true
-      for oneElementuninterpretedOption in uninterpretedOption {
-          if (!oneElementuninterpretedOption.isInitialized()) {
-              isInituninterpretedOption = false
-              break 
-          }
-      }
-      if !isInituninterpretedOption {
-       return isInituninterpretedOption
-       }
-      if !extensionsAreInitialized() {
-       return false
-      }
-     return true
-    }
-    override public func writeToCodedOutputStream(output:CodedOutputStream) {
-      if hasDeprecated {
-        output.writeBool(33, value:deprecated)
-      }
-      for oneElementuninterpretedOption in uninterpretedOption {
-          output.writeMessage(999, value:oneElementuninterpretedOption)
-      }
-      writeExtensionsToCodedOutputStream(output, startInclusive:Int32(1000), endExclusive:Int32(536870912))
-      unknownFields.writeToCodedOutputStream(output)
-    }
-    override public func serializedSize() -> Int32 {
-      var serialize_size:Int32 = memoizedSerializedSize
-      if serialize_size != -1 {
-       return serialize_size
-      }
-
-      serialize_size = 0
-      if hasDeprecated {
-        serialize_size += deprecated.computeBoolSize(33)
-      }
-      for oneElementuninterpretedOption in uninterpretedOption {
-          serialize_size += oneElementuninterpretedOption.computeMessageSize(999)
-      }
-      serialize_size += extensionsSerializedSize()
-      serialize_size += unknownFields.serializedSize()
-      memoizedSerializedSize = serialize_size
-      return serialize_size
-    }
-    public class func parseFromData(data:NSData) -> Google.Protobuf.ServiceOptions {
-      return Google.Protobuf.ServiceOptions.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-    }
-    public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.ServiceOptions {
-      return Google.Protobuf.ServiceOptions.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.ServiceOptions {
-      return Google.Protobuf.ServiceOptions.builder().mergeFromInputStream(input).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.ServiceOptions {
-      return Google.Protobuf.ServiceOptions.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.ServiceOptions {
-      return Google.Protobuf.ServiceOptions.builder().mergeFromCodedInputStream(input).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.ServiceOptions {
-      return Google.Protobuf.ServiceOptions.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func builder() -> Google.Protobuf.ServiceOptionsBuilder {
-      return Google.Protobuf.ServiceOptions.classBuilder() as Google.Protobuf.ServiceOptionsBuilder
-    }
-    public func builder() -> Google.Protobuf.ServiceOptionsBuilder {
-      return classBuilder() as Google.Protobuf.ServiceOptionsBuilder
-    }
-    public override class func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.ServiceOptionsBuilder()
-    }
-    public override func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.ServiceOptions.builder()
-    }
-    public func toBuilder() -> Google.Protobuf.ServiceOptionsBuilder {
-      return Google.Protobuf.ServiceOptions.builderWithPrototype(self)
-    }
-    public class func builderWithPrototype(prototype:Google.Protobuf.ServiceOptions) -> Google.Protobuf.ServiceOptionsBuilder {
-      return Google.Protobuf.ServiceOptions.builder().mergeFrom(prototype)
-    }
-    override public func writeDescriptionTo(inout output:String, indent:String) {
-      if hasDeprecated {
-        output += "\(indent) deprecated: \(deprecated) \n"
-      }
-      var uninterpretedOptionElementIndex:Int = 0
-      for oneElementuninterpretedOption in uninterpretedOption {
-          output += "\(indent) uninterpretedOption[\(uninterpretedOptionElementIndex)] {\n"
-          oneElementuninterpretedOption.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          uninterpretedOptionElementIndex++
-      }
-      writeExtensionDescription(&output, startInclusive:Int32(1000), endExclusive:Int32(536870912), indent:indent)
-      unknownFields.writeDescriptionTo(&output, indent:indent)
-    }
-    override public var hashValue:Int {
-        get {
-            var hashCode:Int = 7
-            if hasDeprecated {
-               hashCode = (hashCode &* 31) &+ deprecated.hashValue
-            }
-            for oneElementuninterpretedOption in uninterpretedOption {
-                hashCode = (hashCode &* 31) &+ oneElementuninterpretedOption.hashValue
-            }
-            hashCode = (hashCode &* 31) &+ Int(hashExtensionsFrom(Int32(1000), endExclusive:Int32(536870912)))
-            hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-            return hashCode
-        }
-    }
-
-
-    //Meta information declaration start
-
-    override public class func className() -> String {
-        return "Google.Protobuf.ServiceOptions"
-    }
-    override public func className() -> String {
-        return "Google.Protobuf.ServiceOptions"
-    }
-    override public func classMetaType() -> GeneratedMessage.Type {
-        return Google.Protobuf.ServiceOptions.self
-    }
-    //Meta information declaration end
-
-  }
-
-  final public class ServiceOptionsBuilder : ExtendableMessageBuilder {
-    private var builderResult:Google.Protobuf.ServiceOptions
-
-    required override public init () {
-       builderResult = Google.Protobuf.ServiceOptions()
-       super.init()
-    }
-    public var hasDeprecated:Bool {
-         get {
-              return builderResult.hasDeprecated
-         }
-    }
-    public var deprecated:Bool {
-         get {
-              return builderResult.deprecated
-         }
-         set (value) {
-             builderResult.hasDeprecated = true
-             builderResult.deprecated = value
-         }
-    }
-    public func setDeprecated(value:Bool)-> Google.Protobuf.ServiceOptionsBuilder {
-      self.deprecated = value
-      return self
-    }
-    public func clearDeprecated() -> Google.Protobuf.ServiceOptionsBuilder{
-         builderResult.hasDeprecated = false
-         builderResult.deprecated = false
-         return self
-    }
-    public var uninterpretedOption:Array<Google.Protobuf.UninterpretedOption> {
-         get {
-             return builderResult.uninterpretedOption
-         }
-         set (value) {
-             builderResult.uninterpretedOption = value
-         }
-    }
-    public func setUninterpretedOption(value:Array<Google.Protobuf.UninterpretedOption>)-> Google.Protobuf.ServiceOptionsBuilder {
-      self.uninterpretedOption = value
-      return self
-    }
-    public func clearUninterpretedOption() -> Google.Protobuf.ServiceOptionsBuilder {
-      builderResult.uninterpretedOption.removeAll(keepCapacity: false)
-      return self
-    }
-    override public var internalGetResult:ExtendableMessage {
-         get {
-             return builderResult
-         }
-    }
-    public override func clear() -> Google.Protobuf.ServiceOptionsBuilder {
-      builderResult = Google.Protobuf.ServiceOptions()
-      return self
-    }
-    public override func clone() -> Google.Protobuf.ServiceOptionsBuilder {
-      return Google.Protobuf.ServiceOptions.builderWithPrototype(builderResult)
-    }
-    public override func build() -> Google.Protobuf.ServiceOptions {
-         checkInitialized()
-         return buildPartial()
-    }
-    public func buildPartial() -> Google.Protobuf.ServiceOptions {
-      var returnMe:Google.Protobuf.ServiceOptions = builderResult
-      return returnMe
-    }
-    public func mergeFrom(other:Google.Protobuf.ServiceOptions) -> Google.Protobuf.ServiceOptionsBuilder {
-      if (other == Google.Protobuf.ServiceOptions()) {
-       return self
-      }
-      if other.hasDeprecated {
-           deprecated = other.deprecated
-      }
-      if !other.uninterpretedOption.isEmpty  {
-         builderResult.uninterpretedOption += other.uninterpretedOption
-      }
-      mergeExtensionFields(other)
-      mergeUnknownFields(other.unknownFields)
-      return self
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.ServiceOptionsBuilder {
-         return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.ServiceOptionsBuilder {
-      var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-      while (true) {
-        var tag = input.readTag()
-        switch tag {
-        case 0: 
-          self.unknownFields = unknownFieldsBuilder.build()
-          return self
-
-        case 264 :
-          deprecated = input.readBool()
-
-        case 7994 :
-          var subBuilder = Google.Protobuf.UninterpretedOption.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          uninterpretedOption += [subBuilder.buildPartial()]
-
-        default:
-          if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-             unknownFields = unknownFieldsBuilder.build()
-             return self
-          }
-        }
-      }
-    }
-  }
-
-  final public class MethodOptions : ExtendableMessage, GeneratedMessageProtocol {
-    public private(set) var hasDeprecated:Bool = false
-    public private(set) var deprecated:Bool = false
-
-    public private(set) var uninterpretedOption:Array<Google.Protobuf.UninterpretedOption>  = Array<Google.Protobuf.UninterpretedOption>()
-    required public init() {
-         super.init()
-    }
-    override public func isInitialized() -> Bool {
-      var isInituninterpretedOption:Bool = true
-      for oneElementuninterpretedOption in uninterpretedOption {
-          if (!oneElementuninterpretedOption.isInitialized()) {
-              isInituninterpretedOption = false
-              break 
-          }
-      }
-      if !isInituninterpretedOption {
-       return isInituninterpretedOption
-       }
-      if !extensionsAreInitialized() {
-       return false
-      }
-     return true
-    }
-    override public func writeToCodedOutputStream(output:CodedOutputStream) {
-      if hasDeprecated {
-        output.writeBool(33, value:deprecated)
-      }
-      for oneElementuninterpretedOption in uninterpretedOption {
-          output.writeMessage(999, value:oneElementuninterpretedOption)
-      }
-      writeExtensionsToCodedOutputStream(output, startInclusive:Int32(1000), endExclusive:Int32(536870912))
-      unknownFields.writeToCodedOutputStream(output)
-    }
-    override public func serializedSize() -> Int32 {
-      var serialize_size:Int32 = memoizedSerializedSize
-      if serialize_size != -1 {
-       return serialize_size
-      }
-
-      serialize_size = 0
-      if hasDeprecated {
-        serialize_size += deprecated.computeBoolSize(33)
-      }
-      for oneElementuninterpretedOption in uninterpretedOption {
-          serialize_size += oneElementuninterpretedOption.computeMessageSize(999)
-      }
-      serialize_size += extensionsSerializedSize()
-      serialize_size += unknownFields.serializedSize()
-      memoizedSerializedSize = serialize_size
-      return serialize_size
-    }
-    public class func parseFromData(data:NSData) -> Google.Protobuf.MethodOptions {
-      return Google.Protobuf.MethodOptions.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-    }
-    public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.MethodOptions {
-      return Google.Protobuf.MethodOptions.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.MethodOptions {
-      return Google.Protobuf.MethodOptions.builder().mergeFromInputStream(input).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.MethodOptions {
-      return Google.Protobuf.MethodOptions.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.MethodOptions {
-      return Google.Protobuf.MethodOptions.builder().mergeFromCodedInputStream(input).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.MethodOptions {
-      return Google.Protobuf.MethodOptions.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func builder() -> Google.Protobuf.MethodOptionsBuilder {
-      return Google.Protobuf.MethodOptions.classBuilder() as Google.Protobuf.MethodOptionsBuilder
-    }
-    public func builder() -> Google.Protobuf.MethodOptionsBuilder {
-      return classBuilder() as Google.Protobuf.MethodOptionsBuilder
-    }
-    public override class func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.MethodOptionsBuilder()
-    }
-    public override func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.MethodOptions.builder()
-    }
-    public func toBuilder() -> Google.Protobuf.MethodOptionsBuilder {
-      return Google.Protobuf.MethodOptions.builderWithPrototype(self)
-    }
-    public class func builderWithPrototype(prototype:Google.Protobuf.MethodOptions) -> Google.Protobuf.MethodOptionsBuilder {
-      return Google.Protobuf.MethodOptions.builder().mergeFrom(prototype)
-    }
-    override public func writeDescriptionTo(inout output:String, indent:String) {
-      if hasDeprecated {
-        output += "\(indent) deprecated: \(deprecated) \n"
-      }
-      var uninterpretedOptionElementIndex:Int = 0
-      for oneElementuninterpretedOption in uninterpretedOption {
-          output += "\(indent) uninterpretedOption[\(uninterpretedOptionElementIndex)] {\n"
-          oneElementuninterpretedOption.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          uninterpretedOptionElementIndex++
-      }
-      writeExtensionDescription(&output, startInclusive:Int32(1000), endExclusive:Int32(536870912), indent:indent)
-      unknownFields.writeDescriptionTo(&output, indent:indent)
-    }
-    override public var hashValue:Int {
-        get {
-            var hashCode:Int = 7
-            if hasDeprecated {
-               hashCode = (hashCode &* 31) &+ deprecated.hashValue
-            }
-            for oneElementuninterpretedOption in uninterpretedOption {
-                hashCode = (hashCode &* 31) &+ oneElementuninterpretedOption.hashValue
-            }
-            hashCode = (hashCode &* 31) &+ Int(hashExtensionsFrom(Int32(1000), endExclusive:Int32(536870912)))
-            hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-            return hashCode
-        }
-    }
-
-
-    //Meta information declaration start
-
-    override public class func className() -> String {
-        return "Google.Protobuf.MethodOptions"
-    }
-    override public func className() -> String {
-        return "Google.Protobuf.MethodOptions"
-    }
-    override public func classMetaType() -> GeneratedMessage.Type {
-        return Google.Protobuf.MethodOptions.self
-    }
-    //Meta information declaration end
-
-  }
-
-  final public class MethodOptionsBuilder : ExtendableMessageBuilder {
-    private var builderResult:Google.Protobuf.MethodOptions
-
-    required override public init () {
-       builderResult = Google.Protobuf.MethodOptions()
-       super.init()
-    }
-    public var hasDeprecated:Bool {
-         get {
-              return builderResult.hasDeprecated
-         }
-    }
-    public var deprecated:Bool {
-         get {
-              return builderResult.deprecated
-         }
-         set (value) {
-             builderResult.hasDeprecated = true
-             builderResult.deprecated = value
-         }
-    }
-    public func setDeprecated(value:Bool)-> Google.Protobuf.MethodOptionsBuilder {
-      self.deprecated = value
-      return self
-    }
-    public func clearDeprecated() -> Google.Protobuf.MethodOptionsBuilder{
-         builderResult.hasDeprecated = false
-         builderResult.deprecated = false
-         return self
-    }
-    public var uninterpretedOption:Array<Google.Protobuf.UninterpretedOption> {
-         get {
-             return builderResult.uninterpretedOption
-         }
-         set (value) {
-             builderResult.uninterpretedOption = value
-         }
-    }
-    public func setUninterpretedOption(value:Array<Google.Protobuf.UninterpretedOption>)-> Google.Protobuf.MethodOptionsBuilder {
-      self.uninterpretedOption = value
-      return self
-    }
-    public func clearUninterpretedOption() -> Google.Protobuf.MethodOptionsBuilder {
-      builderResult.uninterpretedOption.removeAll(keepCapacity: false)
-      return self
-    }
-    override public var internalGetResult:ExtendableMessage {
-         get {
-             return builderResult
-         }
-    }
-    public override func clear() -> Google.Protobuf.MethodOptionsBuilder {
-      builderResult = Google.Protobuf.MethodOptions()
-      return self
-    }
-    public override func clone() -> Google.Protobuf.MethodOptionsBuilder {
-      return Google.Protobuf.MethodOptions.builderWithPrototype(builderResult)
-    }
-    public override func build() -> Google.Protobuf.MethodOptions {
-         checkInitialized()
-         return buildPartial()
-    }
-    public func buildPartial() -> Google.Protobuf.MethodOptions {
-      var returnMe:Google.Protobuf.MethodOptions = builderResult
-      return returnMe
-    }
-    public func mergeFrom(other:Google.Protobuf.MethodOptions) -> Google.Protobuf.MethodOptionsBuilder {
-      if (other == Google.Protobuf.MethodOptions()) {
-       return self
-      }
-      if other.hasDeprecated {
-           deprecated = other.deprecated
-      }
-      if !other.uninterpretedOption.isEmpty  {
-         builderResult.uninterpretedOption += other.uninterpretedOption
-      }
-      mergeExtensionFields(other)
-      mergeUnknownFields(other.unknownFields)
-      return self
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.MethodOptionsBuilder {
-         return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.MethodOptionsBuilder {
-      var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-      while (true) {
-        var tag = input.readTag()
-        switch tag {
-        case 0: 
-          self.unknownFields = unknownFieldsBuilder.build()
-          return self
-
-        case 264 :
-          deprecated = input.readBool()
-
-        case 7994 :
-          var subBuilder = Google.Protobuf.UninterpretedOption.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          uninterpretedOption += [subBuilder.buildPartial()]
-
-        default:
-          if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-             unknownFields = unknownFieldsBuilder.build()
-             return self
-          }
-        }
-      }
-    }
-  }
-
-  final public class UninterpretedOption : GeneratedMessage, GeneratedMessageProtocol {
-
-
-    //Nested type declaration start
-
-      final public class NamePart : GeneratedMessage, GeneratedMessageProtocol {
-        public private(set) var hasNamePart:Bool = false
-        public private(set) var namePart:String = ""
-
-        public private(set) var hasIsExtension:Bool = false
-        public private(set) var isExtension:Bool = false
-
-        required public init() {
-             super.init()
-        }
-        override public func isInitialized() -> Bool {
-          if !hasNamePart {
-            return false
-          }
-          if !hasIsExtension {
-            return false
-          }
-         return true
-        }
-        override public func writeToCodedOutputStream(output:CodedOutputStream) {
-          if hasNamePart {
-            output.writeString(1, value:namePart)
-          }
-          if hasIsExtension {
-            output.writeBool(2, value:isExtension)
-          }
-          unknownFields.writeToCodedOutputStream(output)
-        }
-        override public func serializedSize() -> Int32 {
-          var serialize_size:Int32 = memoizedSerializedSize
-          if serialize_size != -1 {
-           return serialize_size
-          }
-
-          serialize_size = 0
-          if hasNamePart {
-            serialize_size += namePart.computeStringSize(1)
-          }
-          if hasIsExtension {
-            serialize_size += isExtension.computeBoolSize(2)
-          }
-          serialize_size += unknownFields.serializedSize()
-          memoizedSerializedSize = serialize_size
-          return serialize_size
-        }
-        public class func parseFromData(data:NSData) -> Google.Protobuf.UninterpretedOption.NamePart {
-          return Google.Protobuf.UninterpretedOption.NamePart.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-        }
-        public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.UninterpretedOption.NamePart {
-          return Google.Protobuf.UninterpretedOption.NamePart.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-        }
-        public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.UninterpretedOption.NamePart {
-          return Google.Protobuf.UninterpretedOption.NamePart.builder().mergeFromInputStream(input).build()
-        }
-        public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.UninterpretedOption.NamePart {
-          return Google.Protobuf.UninterpretedOption.NamePart.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-        }
-        public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.UninterpretedOption.NamePart {
-          return Google.Protobuf.UninterpretedOption.NamePart.builder().mergeFromCodedInputStream(input).build()
-        }
-        public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.UninterpretedOption.NamePart {
-          return Google.Protobuf.UninterpretedOption.NamePart.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-        }
-        public class func builder() -> Google.Protobuf.UninterpretedOption.NamePartBuilder {
-          return Google.Protobuf.UninterpretedOption.NamePart.classBuilder() as Google.Protobuf.UninterpretedOption.NamePartBuilder
-        }
-        public func builder() -> Google.Protobuf.UninterpretedOption.NamePartBuilder {
-          return classBuilder() as Google.Protobuf.UninterpretedOption.NamePartBuilder
-        }
-        public override class func classBuilder() -> MessageBuilder {
-          return Google.Protobuf.UninterpretedOption.NamePartBuilder()
-        }
-        public override func classBuilder() -> MessageBuilder {
-          return Google.Protobuf.UninterpretedOption.NamePart.builder()
-        }
-        public func toBuilder() -> Google.Protobuf.UninterpretedOption.NamePartBuilder {
-          return Google.Protobuf.UninterpretedOption.NamePart.builderWithPrototype(self)
-        }
-        public class func builderWithPrototype(prototype:Google.Protobuf.UninterpretedOption.NamePart) -> Google.Protobuf.UninterpretedOption.NamePartBuilder {
-          return Google.Protobuf.UninterpretedOption.NamePart.builder().mergeFrom(prototype)
-        }
-        override public func writeDescriptionTo(inout output:String, indent:String) {
-          if hasNamePart {
-            output += "\(indent) namePart: \(namePart) \n"
-          }
-          if hasIsExtension {
-            output += "\(indent) isExtension: \(isExtension) \n"
-          }
-          unknownFields.writeDescriptionTo(&output, indent:indent)
-        }
-        override public var hashValue:Int {
-            get {
-                var hashCode:Int = 7
-                if hasNamePart {
-                   hashCode = (hashCode &* 31) &+ namePart.hashValue
-                }
-                if hasIsExtension {
-                   hashCode = (hashCode &* 31) &+ isExtension.hashValue
-                }
-                hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-                return hashCode
-            }
-        }
-
-
-        //Meta information declaration start
-
-        override public class func className() -> String {
-            return "Google.Protobuf.UninterpretedOption.NamePart"
-        }
-        override public func className() -> String {
-            return "Google.Protobuf.UninterpretedOption.NamePart"
-        }
-        override public func classMetaType() -> GeneratedMessage.Type {
-            return Google.Protobuf.UninterpretedOption.NamePart.self
-        }
-        //Meta information declaration end
-
-      }
-
-      final public class NamePartBuilder : GeneratedMessageBuilder {
-        private var builderResult:Google.Protobuf.UninterpretedOption.NamePart
-
-        required override public init () {
-           builderResult = Google.Protobuf.UninterpretedOption.NamePart()
-           super.init()
-        }
-        public var hasNamePart:Bool {
-             get {
-                  return builderResult.hasNamePart
-             }
-        }
-        public var namePart:String {
-             get {
-                  return builderResult.namePart
-             }
-             set (value) {
-                 builderResult.hasNamePart = true
-                 builderResult.namePart = value
-             }
-        }
-        public func setNamePart(value:String)-> Google.Protobuf.UninterpretedOption.NamePartBuilder {
-          self.namePart = value
-          return self
-        }
-        public func clearNamePart() -> Google.Protobuf.UninterpretedOption.NamePartBuilder{
-             builderResult.hasNamePart = false
-             builderResult.namePart = ""
-             return self
-        }
-        public var hasIsExtension:Bool {
-             get {
-                  return builderResult.hasIsExtension
-             }
-        }
-        public var isExtension:Bool {
-             get {
-                  return builderResult.isExtension
-             }
-             set (value) {
-                 builderResult.hasIsExtension = true
-                 builderResult.isExtension = value
-             }
-        }
-        public func setIsExtension(value:Bool)-> Google.Protobuf.UninterpretedOption.NamePartBuilder {
-          self.isExtension = value
-          return self
-        }
-        public func clearIsExtension() -> Google.Protobuf.UninterpretedOption.NamePartBuilder{
-             builderResult.hasIsExtension = false
-             builderResult.isExtension = false
-             return self
-        }
-        override public var internalGetResult:GeneratedMessage {
-             get {
-                return builderResult
-             }
-        }
-        public override func clear() -> Google.Protobuf.UninterpretedOption.NamePartBuilder {
-          builderResult = Google.Protobuf.UninterpretedOption.NamePart()
-          return self
-        }
-        public override func clone() -> Google.Protobuf.UninterpretedOption.NamePartBuilder {
-          return Google.Protobuf.UninterpretedOption.NamePart.builderWithPrototype(builderResult)
-        }
-        public override func build() -> Google.Protobuf.UninterpretedOption.NamePart {
-             checkInitialized()
-             return buildPartial()
-        }
-        public func buildPartial() -> Google.Protobuf.UninterpretedOption.NamePart {
-          var returnMe:Google.Protobuf.UninterpretedOption.NamePart = builderResult
-          return returnMe
-        }
-        public func mergeFrom(other:Google.Protobuf.UninterpretedOption.NamePart) -> Google.Protobuf.UninterpretedOption.NamePartBuilder {
-          if (other == Google.Protobuf.UninterpretedOption.NamePart()) {
-           return self
-          }
-          if other.hasNamePart {
-               namePart = other.namePart
-          }
-          if other.hasIsExtension {
-               isExtension = other.isExtension
-          }
-          mergeUnknownFields(other.unknownFields)
-          return self
-        }
-        public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.UninterpretedOption.NamePartBuilder {
-             return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-        }
-        public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.UninterpretedOption.NamePartBuilder {
-          var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-          while (true) {
-            var tag = input.readTag()
-            switch tag {
-            case 0: 
-              self.unknownFields = unknownFieldsBuilder.build()
-              return self
-
-            case 10 :
-              namePart = input.readString()
-
-            case 16 :
-              isExtension = input.readBool()
-
-            default:
-              if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-                 unknownFields = unknownFieldsBuilder.build()
-                 return self
-              }
-            }
-          }
-        }
-      }
-
-    //Nested type declaration end
-
-    public private(set) var hasIdentifierValue:Bool = false
-    public private(set) var identifierValue:String = ""
-
-    public private(set) var hasPositiveIntValue:Bool = false
-    public private(set) var positiveIntValue:UInt64 = UInt64(0)
-
-    public private(set) var hasNegativeIntValue:Bool = false
-    public private(set) var negativeIntValue:Int64 = Int64(0)
-
-    public private(set) var hasDoubleValue:Bool = false
-    public private(set) var doubleValue:Double = Double(0)
-
-    public private(set) var hasStringValue:Bool = false
-    public private(set) var stringValue:NSData = NSData()
-
-    public private(set) var hasAggregateValue:Bool = false
-    public private(set) var aggregateValue:String = ""
-
-    public private(set) var name:Array<Google.Protobuf.UninterpretedOption.NamePart>  = Array<Google.Protobuf.UninterpretedOption.NamePart>()
-    required public init() {
-         super.init()
-    }
-    override public func isInitialized() -> Bool {
-      var isInitname:Bool = true
-      for oneElementname in name {
-          if (!oneElementname.isInitialized()) {
-              isInitname = false
-              break 
-          }
-      }
-      if !isInitname {
-       return isInitname
-       }
-     return true
-    }
-    override public func writeToCodedOutputStream(output:CodedOutputStream) {
-      for oneElementname in name {
-          output.writeMessage(2, value:oneElementname)
-      }
-      if hasIdentifierValue {
-        output.writeString(3, value:identifierValue)
-      }
-      if hasPositiveIntValue {
-        output.writeUInt64(4, value:positiveIntValue)
-      }
-      if hasNegativeIntValue {
-        output.writeInt64(5, value:negativeIntValue)
-      }
-      if hasDoubleValue {
-        output.writeDouble(6, value:doubleValue)
-      }
-      if hasStringValue {
-        output.writeData(7, value:stringValue)
-      }
-      if hasAggregateValue {
-        output.writeString(8, value:aggregateValue)
-      }
-      unknownFields.writeToCodedOutputStream(output)
-    }
-    override public func serializedSize() -> Int32 {
-      var serialize_size:Int32 = memoizedSerializedSize
-      if serialize_size != -1 {
-       return serialize_size
-      }
-
-      serialize_size = 0
-      for oneElementname in name {
-          serialize_size += oneElementname.computeMessageSize(2)
-      }
-      if hasIdentifierValue {
-        serialize_size += identifierValue.computeStringSize(3)
-      }
-      if hasPositiveIntValue {
-        serialize_size += positiveIntValue.computeUInt64Size(4)
-      }
-      if hasNegativeIntValue {
-        serialize_size += negativeIntValue.computeInt64Size(5)
-      }
-      if hasDoubleValue {
-        serialize_size += doubleValue.computeDoubleSize(6)
-      }
-      if hasStringValue {
-        serialize_size += stringValue.computeDataSize(7)
-      }
-      if hasAggregateValue {
-        serialize_size += aggregateValue.computeStringSize(8)
-      }
-      serialize_size += unknownFields.serializedSize()
-      memoizedSerializedSize = serialize_size
-      return serialize_size
-    }
-    public class func parseFromData(data:NSData) -> Google.Protobuf.UninterpretedOption {
-      return Google.Protobuf.UninterpretedOption.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-    }
-    public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.UninterpretedOption {
-      return Google.Protobuf.UninterpretedOption.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.UninterpretedOption {
-      return Google.Protobuf.UninterpretedOption.builder().mergeFromInputStream(input).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.UninterpretedOption {
-      return Google.Protobuf.UninterpretedOption.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.UninterpretedOption {
-      return Google.Protobuf.UninterpretedOption.builder().mergeFromCodedInputStream(input).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.UninterpretedOption {
-      return Google.Protobuf.UninterpretedOption.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func builder() -> Google.Protobuf.UninterpretedOptionBuilder {
-      return Google.Protobuf.UninterpretedOption.classBuilder() as Google.Protobuf.UninterpretedOptionBuilder
-    }
-    public func builder() -> Google.Protobuf.UninterpretedOptionBuilder {
-      return classBuilder() as Google.Protobuf.UninterpretedOptionBuilder
-    }
-    public override class func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.UninterpretedOptionBuilder()
-    }
-    public override func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.UninterpretedOption.builder()
-    }
-    public func toBuilder() -> Google.Protobuf.UninterpretedOptionBuilder {
-      return Google.Protobuf.UninterpretedOption.builderWithPrototype(self)
-    }
-    public class func builderWithPrototype(prototype:Google.Protobuf.UninterpretedOption) -> Google.Protobuf.UninterpretedOptionBuilder {
-      return Google.Protobuf.UninterpretedOption.builder().mergeFrom(prototype)
-    }
-    override public func writeDescriptionTo(inout output:String, indent:String) {
-      var nameElementIndex:Int = 0
-      for oneElementname in name {
-          output += "\(indent) name[\(nameElementIndex)] {\n"
-          oneElementname.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          nameElementIndex++
-      }
-      if hasIdentifierValue {
-        output += "\(indent) identifierValue: \(identifierValue) \n"
-      }
-      if hasPositiveIntValue {
-        output += "\(indent) positiveIntValue: \(positiveIntValue) \n"
-      }
-      if hasNegativeIntValue {
-        output += "\(indent) negativeIntValue: \(negativeIntValue) \n"
-      }
-      if hasDoubleValue {
-        output += "\(indent) doubleValue: \(doubleValue) \n"
-      }
-      if hasStringValue {
-        output += "\(indent) stringValue: \(stringValue) \n"
-      }
-      if hasAggregateValue {
-        output += "\(indent) aggregateValue: \(aggregateValue) \n"
-      }
-      unknownFields.writeDescriptionTo(&output, indent:indent)
-    }
-    override public var hashValue:Int {
-        get {
-            var hashCode:Int = 7
-            for oneElementname in name {
-                hashCode = (hashCode &* 31) &+ oneElementname.hashValue
-            }
-            if hasIdentifierValue {
-               hashCode = (hashCode &* 31) &+ identifierValue.hashValue
-            }
-            if hasPositiveIntValue {
-               hashCode = (hashCode &* 31) &+ positiveIntValue.hashValue
-            }
-            if hasNegativeIntValue {
-               hashCode = (hashCode &* 31) &+ negativeIntValue.hashValue
-            }
-            if hasDoubleValue {
-               hashCode = (hashCode &* 31) &+ doubleValue.hashValue
-            }
-            if hasStringValue {
-               hashCode = (hashCode &* 31) &+ stringValue.hashValue
-            }
-            if hasAggregateValue {
-               hashCode = (hashCode &* 31) &+ aggregateValue.hashValue
-            }
-            hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-            return hashCode
-        }
-    }
-
-
-    //Meta information declaration start
-
-    override public class func className() -> String {
-        return "Google.Protobuf.UninterpretedOption"
-    }
-    override public func className() -> String {
-        return "Google.Protobuf.UninterpretedOption"
-    }
-    override public func classMetaType() -> GeneratedMessage.Type {
-        return Google.Protobuf.UninterpretedOption.self
-    }
-    //Meta information declaration end
-
-  }
-
-  final public class UninterpretedOptionBuilder : GeneratedMessageBuilder {
-    private var builderResult:Google.Protobuf.UninterpretedOption
-
-    required override public init () {
-       builderResult = Google.Protobuf.UninterpretedOption()
-       super.init()
-    }
-    public var name:Array<Google.Protobuf.UninterpretedOption.NamePart> {
-         get {
-             return builderResult.name
-         }
-         set (value) {
-             builderResult.name = value
-         }
-    }
-    public func setName(value:Array<Google.Protobuf.UninterpretedOption.NamePart>)-> Google.Protobuf.UninterpretedOptionBuilder {
-      self.name = value
-      return self
-    }
-    public func clearName() -> Google.Protobuf.UninterpretedOptionBuilder {
-      builderResult.name.removeAll(keepCapacity: false)
-      return self
-    }
-    public var hasIdentifierValue:Bool {
-         get {
-              return builderResult.hasIdentifierValue
-         }
-    }
-    public var identifierValue:String {
-         get {
-              return builderResult.identifierValue
-         }
-         set (value) {
-             builderResult.hasIdentifierValue = true
-             builderResult.identifierValue = value
-         }
-    }
-    public func setIdentifierValue(value:String)-> Google.Protobuf.UninterpretedOptionBuilder {
-      self.identifierValue = value
-      return self
-    }
-    public func clearIdentifierValue() -> Google.Protobuf.UninterpretedOptionBuilder{
-         builderResult.hasIdentifierValue = false
-         builderResult.identifierValue = ""
-         return self
-    }
-    public var hasPositiveIntValue:Bool {
-         get {
-              return builderResult.hasPositiveIntValue
-         }
-    }
-    public var positiveIntValue:UInt64 {
-         get {
-              return builderResult.positiveIntValue
-         }
-         set (value) {
-             builderResult.hasPositiveIntValue = true
-             builderResult.positiveIntValue = value
-         }
-    }
-    public func setPositiveIntValue(value:UInt64)-> Google.Protobuf.UninterpretedOptionBuilder {
-      self.positiveIntValue = value
-      return self
-    }
-    public func clearPositiveIntValue() -> Google.Protobuf.UninterpretedOptionBuilder{
-         builderResult.hasPositiveIntValue = false
-         builderResult.positiveIntValue = UInt64(0)
-         return self
-    }
-    public var hasNegativeIntValue:Bool {
-         get {
-              return builderResult.hasNegativeIntValue
-         }
-    }
-    public var negativeIntValue:Int64 {
-         get {
-              return builderResult.negativeIntValue
-         }
-         set (value) {
-             builderResult.hasNegativeIntValue = true
-             builderResult.negativeIntValue = value
-         }
-    }
-    public func setNegativeIntValue(value:Int64)-> Google.Protobuf.UninterpretedOptionBuilder {
-      self.negativeIntValue = value
-      return self
-    }
-    public func clearNegativeIntValue() -> Google.Protobuf.UninterpretedOptionBuilder{
-         builderResult.hasNegativeIntValue = false
-         builderResult.negativeIntValue = Int64(0)
-         return self
-    }
-    public var hasDoubleValue:Bool {
-         get {
-              return builderResult.hasDoubleValue
-         }
-    }
-    public var doubleValue:Double {
-         get {
-              return builderResult.doubleValue
-         }
-         set (value) {
-             builderResult.hasDoubleValue = true
-             builderResult.doubleValue = value
-         }
-    }
-    public func setDoubleValue(value:Double)-> Google.Protobuf.UninterpretedOptionBuilder {
-      self.doubleValue = value
-      return self
-    }
-    public func clearDoubleValue() -> Google.Protobuf.UninterpretedOptionBuilder{
-         builderResult.hasDoubleValue = false
-         builderResult.doubleValue = Double(0)
-         return self
-    }
-    public var hasStringValue:Bool {
-         get {
-              return builderResult.hasStringValue
-         }
-    }
-    public var stringValue:NSData {
-         get {
-              return builderResult.stringValue
-         }
-         set (value) {
-             builderResult.hasStringValue = true
-             builderResult.stringValue = value
-         }
-    }
-    public func setStringValue(value:NSData)-> Google.Protobuf.UninterpretedOptionBuilder {
-      self.stringValue = value
-      return self
-    }
-    public func clearStringValue() -> Google.Protobuf.UninterpretedOptionBuilder{
-         builderResult.hasStringValue = false
-         builderResult.stringValue = NSData()
-         return self
-    }
-    public var hasAggregateValue:Bool {
-         get {
-              return builderResult.hasAggregateValue
-         }
-    }
-    public var aggregateValue:String {
-         get {
-              return builderResult.aggregateValue
-         }
-         set (value) {
-             builderResult.hasAggregateValue = true
-             builderResult.aggregateValue = value
-         }
-    }
-    public func setAggregateValue(value:String)-> Google.Protobuf.UninterpretedOptionBuilder {
-      self.aggregateValue = value
-      return self
-    }
-    public func clearAggregateValue() -> Google.Protobuf.UninterpretedOptionBuilder{
-         builderResult.hasAggregateValue = false
-         builderResult.aggregateValue = ""
-         return self
-    }
-    override public var internalGetResult:GeneratedMessage {
-         get {
-            return builderResult
-         }
-    }
-    public override func clear() -> Google.Protobuf.UninterpretedOptionBuilder {
-      builderResult = Google.Protobuf.UninterpretedOption()
-      return self
-    }
-    public override func clone() -> Google.Protobuf.UninterpretedOptionBuilder {
-      return Google.Protobuf.UninterpretedOption.builderWithPrototype(builderResult)
-    }
-    public override func build() -> Google.Protobuf.UninterpretedOption {
-         checkInitialized()
-         return buildPartial()
-    }
-    public func buildPartial() -> Google.Protobuf.UninterpretedOption {
-      var returnMe:Google.Protobuf.UninterpretedOption = builderResult
-      return returnMe
-    }
-    public func mergeFrom(other:Google.Protobuf.UninterpretedOption) -> Google.Protobuf.UninterpretedOptionBuilder {
-      if (other == Google.Protobuf.UninterpretedOption()) {
-       return self
-      }
-      if !other.name.isEmpty  {
-         builderResult.name += other.name
-      }
-      if other.hasIdentifierValue {
-           identifierValue = other.identifierValue
-      }
-      if other.hasPositiveIntValue {
-           positiveIntValue = other.positiveIntValue
-      }
-      if other.hasNegativeIntValue {
-           negativeIntValue = other.negativeIntValue
-      }
-      if other.hasDoubleValue {
-           doubleValue = other.doubleValue
-      }
-      if other.hasStringValue {
-           stringValue = other.stringValue
-      }
-      if other.hasAggregateValue {
-           aggregateValue = other.aggregateValue
-      }
-      mergeUnknownFields(other.unknownFields)
-      return self
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.UninterpretedOptionBuilder {
-         return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.UninterpretedOptionBuilder {
-      var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-      while (true) {
-        var tag = input.readTag()
-        switch tag {
-        case 0: 
-          self.unknownFields = unknownFieldsBuilder.build()
-          return self
-
-        case 18 :
-          var subBuilder = Google.Protobuf.UninterpretedOption.NamePart.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          name += [subBuilder.buildPartial()]
-
-        case 26 :
-          identifierValue = input.readString()
-
-        case 32 :
-          positiveIntValue = input.readUInt64()
-
-        case 40 :
-          negativeIntValue = input.readInt64()
-
-        case 49 :
-          doubleValue = input.readDouble()
-
-        case 58 :
-          stringValue = input.readData()
-
-        case 66 :
-          aggregateValue = input.readString()
-
-        default:
-          if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-             unknownFields = unknownFieldsBuilder.build()
-             return self
-          }
-        }
-      }
-    }
-  }
-
-  final public class SourceCodeInfo : GeneratedMessage, GeneratedMessageProtocol {
-
-
-    //Nested type declaration start
-
-      final public class Location : GeneratedMessage, GeneratedMessageProtocol {
-        public private(set) var hasLeadingComments:Bool = false
-        public private(set) var leadingComments:String = ""
-
-        public private(set) var hasTrailingComments:Bool = false
-        public private(set) var trailingComments:String = ""
-
-        public private(set) var path:Array<Int32> = Array<Int32>()
-        private var pathMemoizedSerializedSize:Int32 = -1
-        public private(set) var span:Array<Int32> = Array<Int32>()
-        private var spanMemoizedSerializedSize:Int32 = -1
-        required public init() {
-             super.init()
-        }
-        override public func isInitialized() -> Bool {
-         return true
-        }
-        override public func writeToCodedOutputStream(output:CodedOutputStream) {
-          if !path.isEmpty {
-            output.writeRawVarint32(10)
-            output.writeRawVarint32(pathMemoizedSerializedSize)
-            for oneValuepath in path {
-              output.writeInt32NoTag(oneValuepath)
-            }
-          }
-          if !span.isEmpty {
-            output.writeRawVarint32(18)
-            output.writeRawVarint32(spanMemoizedSerializedSize)
-            for oneValuespan in span {
-              output.writeInt32NoTag(oneValuespan)
-            }
-          }
-          if hasLeadingComments {
-            output.writeString(3, value:leadingComments)
-          }
-          if hasTrailingComments {
-            output.writeString(4, value:trailingComments)
-          }
-          unknownFields.writeToCodedOutputStream(output)
-        }
-        override public func serializedSize() -> Int32 {
-          var serialize_size:Int32 = memoizedSerializedSize
-          if serialize_size != -1 {
-           return serialize_size
-          }
-
-          serialize_size = 0
-          var dataSizePath:Int32 = 0
-          for oneValuepath in path {
-              dataSizePath += oneValuepath.computeInt32SizeNoTag()
-          }
-          serialize_size += dataSizePath
-          if !path.isEmpty {
-            serialize_size += 1
-            serialize_size += dataSizePath.computeInt32SizeNoTag()
-          }
-          pathMemoizedSerializedSize = dataSizePath
-          var dataSizeSpan:Int32 = 0
-          for oneValuespan in span {
-              dataSizeSpan += oneValuespan.computeInt32SizeNoTag()
-          }
-          serialize_size += dataSizeSpan
-          if !span.isEmpty {
-            serialize_size += 1
-            serialize_size += dataSizeSpan.computeInt32SizeNoTag()
-          }
-          spanMemoizedSerializedSize = dataSizeSpan
-          if hasLeadingComments {
-            serialize_size += leadingComments.computeStringSize(3)
-          }
-          if hasTrailingComments {
-            serialize_size += trailingComments.computeStringSize(4)
-          }
-          serialize_size += unknownFields.serializedSize()
-          memoizedSerializedSize = serialize_size
-          return serialize_size
-        }
-        public class func parseFromData(data:NSData) -> Google.Protobuf.SourceCodeInfo.Location {
-          return Google.Protobuf.SourceCodeInfo.Location.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-        }
-        public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.SourceCodeInfo.Location {
-          return Google.Protobuf.SourceCodeInfo.Location.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-        }
-        public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.SourceCodeInfo.Location {
-          return Google.Protobuf.SourceCodeInfo.Location.builder().mergeFromInputStream(input).build()
-        }
-        public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.SourceCodeInfo.Location {
-          return Google.Protobuf.SourceCodeInfo.Location.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-        }
-        public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.SourceCodeInfo.Location {
-          return Google.Protobuf.SourceCodeInfo.Location.builder().mergeFromCodedInputStream(input).build()
-        }
-        public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.SourceCodeInfo.Location {
-          return Google.Protobuf.SourceCodeInfo.Location.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-        }
-        public class func builder() -> Google.Protobuf.SourceCodeInfo.LocationBuilder {
-          return Google.Protobuf.SourceCodeInfo.Location.classBuilder() as Google.Protobuf.SourceCodeInfo.LocationBuilder
-        }
-        public func builder() -> Google.Protobuf.SourceCodeInfo.LocationBuilder {
-          return classBuilder() as Google.Protobuf.SourceCodeInfo.LocationBuilder
-        }
-        public override class func classBuilder() -> MessageBuilder {
-          return Google.Protobuf.SourceCodeInfo.LocationBuilder()
-        }
-        public override func classBuilder() -> MessageBuilder {
-          return Google.Protobuf.SourceCodeInfo.Location.builder()
-        }
-        public func toBuilder() -> Google.Protobuf.SourceCodeInfo.LocationBuilder {
-          return Google.Protobuf.SourceCodeInfo.Location.builderWithPrototype(self)
-        }
-        public class func builderWithPrototype(prototype:Google.Protobuf.SourceCodeInfo.Location) -> Google.Protobuf.SourceCodeInfo.LocationBuilder {
-          return Google.Protobuf.SourceCodeInfo.Location.builder().mergeFrom(prototype)
-        }
-        override public func writeDescriptionTo(inout output:String, indent:String) {
-          var pathElementIndex:Int = 0
-          for oneValuepath in path  {
-              output += "\(indent) path[\(pathElementIndex)]: \(oneValuepath)\n"
-              pathElementIndex++
-          }
-          var spanElementIndex:Int = 0
-          for oneValuespan in span  {
-              output += "\(indent) span[\(spanElementIndex)]: \(oneValuespan)\n"
-              spanElementIndex++
-          }
-          if hasLeadingComments {
-            output += "\(indent) leadingComments: \(leadingComments) \n"
-          }
-          if hasTrailingComments {
-            output += "\(indent) trailingComments: \(trailingComments) \n"
-          }
-          unknownFields.writeDescriptionTo(&output, indent:indent)
-        }
-        override public var hashValue:Int {
-            get {
-                var hashCode:Int = 7
-                for oneValuepath in path {
-                    hashCode = (hashCode &* 31) &+ oneValuepath.hashValue
-                }
-                for oneValuespan in span {
-                    hashCode = (hashCode &* 31) &+ oneValuespan.hashValue
-                }
-                if hasLeadingComments {
-                   hashCode = (hashCode &* 31) &+ leadingComments.hashValue
-                }
-                if hasTrailingComments {
-                   hashCode = (hashCode &* 31) &+ trailingComments.hashValue
-                }
-                hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-                return hashCode
-            }
-        }
-
-
-        //Meta information declaration start
-
-        override public class func className() -> String {
-            return "Google.Protobuf.SourceCodeInfo.Location"
-        }
-        override public func className() -> String {
-            return "Google.Protobuf.SourceCodeInfo.Location"
-        }
-        override public func classMetaType() -> GeneratedMessage.Type {
-            return Google.Protobuf.SourceCodeInfo.Location.self
-        }
-        //Meta information declaration end
-
-      }
-
-      final public class LocationBuilder : GeneratedMessageBuilder {
-        private var builderResult:Google.Protobuf.SourceCodeInfo.Location
-
-        required override public init () {
-           builderResult = Google.Protobuf.SourceCodeInfo.Location()
-           super.init()
-        }
-        public var path:Array<Int32> {
-             get {
-                 return builderResult.path
-             }
-             set (array) {
-                 builderResult.path = array
-             }
-        }
-        public func setPath(value:Array<Int32>)-> Google.Protobuf.SourceCodeInfo.LocationBuilder {
-          self.path = value
-          return self
-        }
-        public func clearPath() -> Google.Protobuf.SourceCodeInfo.LocationBuilder {
-           builderResult.path.removeAll(keepCapacity: false)
-           return self
-        }
-        public var span:Array<Int32> {
-             get {
-                 return builderResult.span
-             }
-             set (array) {
-                 builderResult.span = array
-             }
-        }
-        public func setSpan(value:Array<Int32>)-> Google.Protobuf.SourceCodeInfo.LocationBuilder {
-          self.span = value
-          return self
-        }
-        public func clearSpan() -> Google.Protobuf.SourceCodeInfo.LocationBuilder {
-           builderResult.span.removeAll(keepCapacity: false)
-           return self
-        }
-        public var hasLeadingComments:Bool {
-             get {
-                  return builderResult.hasLeadingComments
-             }
-        }
-        public var leadingComments:String {
-             get {
-                  return builderResult.leadingComments
-             }
-             set (value) {
-                 builderResult.hasLeadingComments = true
-                 builderResult.leadingComments = value
-             }
-        }
-        public func setLeadingComments(value:String)-> Google.Protobuf.SourceCodeInfo.LocationBuilder {
-          self.leadingComments = value
-          return self
-        }
-        public func clearLeadingComments() -> Google.Protobuf.SourceCodeInfo.LocationBuilder{
-             builderResult.hasLeadingComments = false
-             builderResult.leadingComments = ""
-             return self
-        }
-        public var hasTrailingComments:Bool {
-             get {
-                  return builderResult.hasTrailingComments
-             }
-        }
-        public var trailingComments:String {
-             get {
-                  return builderResult.trailingComments
-             }
-             set (value) {
-                 builderResult.hasTrailingComments = true
-                 builderResult.trailingComments = value
-             }
-        }
-        public func setTrailingComments(value:String)-> Google.Protobuf.SourceCodeInfo.LocationBuilder {
-          self.trailingComments = value
-          return self
-        }
-        public func clearTrailingComments() -> Google.Protobuf.SourceCodeInfo.LocationBuilder{
-             builderResult.hasTrailingComments = false
-             builderResult.trailingComments = ""
-             return self
-        }
-        override public var internalGetResult:GeneratedMessage {
-             get {
-                return builderResult
-             }
-        }
-        public override func clear() -> Google.Protobuf.SourceCodeInfo.LocationBuilder {
-          builderResult = Google.Protobuf.SourceCodeInfo.Location()
-          return self
-        }
-        public override func clone() -> Google.Protobuf.SourceCodeInfo.LocationBuilder {
-          return Google.Protobuf.SourceCodeInfo.Location.builderWithPrototype(builderResult)
-        }
-        public override func build() -> Google.Protobuf.SourceCodeInfo.Location {
-             checkInitialized()
-             return buildPartial()
-        }
-        public func buildPartial() -> Google.Protobuf.SourceCodeInfo.Location {
-          var returnMe:Google.Protobuf.SourceCodeInfo.Location = builderResult
-          return returnMe
-        }
-        public func mergeFrom(other:Google.Protobuf.SourceCodeInfo.Location) -> Google.Protobuf.SourceCodeInfo.LocationBuilder {
-          if (other == Google.Protobuf.SourceCodeInfo.Location()) {
-           return self
-          }
-          if !other.path.isEmpty {
-              builderResult.path += other.path
-          }
-          if !other.span.isEmpty {
-              builderResult.span += other.span
-          }
-          if other.hasLeadingComments {
-               leadingComments = other.leadingComments
-          }
-          if other.hasTrailingComments {
-               trailingComments = other.trailingComments
-          }
-          mergeUnknownFields(other.unknownFields)
-          return self
-        }
-        public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.SourceCodeInfo.LocationBuilder {
-             return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-        }
-        public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.SourceCodeInfo.LocationBuilder {
-          var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-          while (true) {
-            var tag = input.readTag()
-            switch tag {
-            case 0: 
-              self.unknownFields = unknownFieldsBuilder.build()
-              return self
-
-            case 10 :
-              var length:Int32 = input.readRawVarint32()
-              var limit:Int32 = input.pushLimit(length)
-              while (input.bytesUntilLimit() > 0) {
-                builderResult.path += [input.readInt32()]
-              }
-              input.popLimit(limit)
-
-            case 18 :
-              var length:Int32 = input.readRawVarint32()
-              var limit:Int32 = input.pushLimit(length)
-              while (input.bytesUntilLimit() > 0) {
-                builderResult.span += [input.readInt32()]
-              }
-              input.popLimit(limit)
-
-            case 26 :
-              leadingComments = input.readString()
-
-            case 34 :
-              trailingComments = input.readString()
-
-            default:
-              if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-                 unknownFields = unknownFieldsBuilder.build()
-                 return self
-              }
-            }
-          }
-        }
-      }
-
-    //Nested type declaration end
-
-    public private(set) var location:Array<Google.Protobuf.SourceCodeInfo.Location>  = Array<Google.Protobuf.SourceCodeInfo.Location>()
-    required public init() {
-         super.init()
-    }
-    override public func isInitialized() -> Bool {
-     return true
-    }
-    override public func writeToCodedOutputStream(output:CodedOutputStream) {
-      for oneElementlocation in location {
-          output.writeMessage(1, value:oneElementlocation)
-      }
-      unknownFields.writeToCodedOutputStream(output)
-    }
-    override public func serializedSize() -> Int32 {
-      var serialize_size:Int32 = memoizedSerializedSize
-      if serialize_size != -1 {
-       return serialize_size
-      }
-
-      serialize_size = 0
-      for oneElementlocation in location {
-          serialize_size += oneElementlocation.computeMessageSize(1)
-      }
-      serialize_size += unknownFields.serializedSize()
-      memoizedSerializedSize = serialize_size
-      return serialize_size
-    }
-    public class func parseFromData(data:NSData) -> Google.Protobuf.SourceCodeInfo {
-      return Google.Protobuf.SourceCodeInfo.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.DescriptorRoot.sharedInstance.extensionRegistry).build()
-    }
-    public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.SourceCodeInfo {
-      return Google.Protobuf.SourceCodeInfo.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.SourceCodeInfo {
-      return Google.Protobuf.SourceCodeInfo.builder().mergeFromInputStream(input).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.SourceCodeInfo {
-      return Google.Protobuf.SourceCodeInfo.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.SourceCodeInfo {
-      return Google.Protobuf.SourceCodeInfo.builder().mergeFromCodedInputStream(input).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.SourceCodeInfo {
-      return Google.Protobuf.SourceCodeInfo.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func builder() -> Google.Protobuf.SourceCodeInfoBuilder {
-      return Google.Protobuf.SourceCodeInfo.classBuilder() as Google.Protobuf.SourceCodeInfoBuilder
-    }
-    public func builder() -> Google.Protobuf.SourceCodeInfoBuilder {
-      return classBuilder() as Google.Protobuf.SourceCodeInfoBuilder
-    }
-    public override class func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.SourceCodeInfoBuilder()
-    }
-    public override func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.SourceCodeInfo.builder()
-    }
-    public func toBuilder() -> Google.Protobuf.SourceCodeInfoBuilder {
-      return Google.Protobuf.SourceCodeInfo.builderWithPrototype(self)
-    }
-    public class func builderWithPrototype(prototype:Google.Protobuf.SourceCodeInfo) -> Google.Protobuf.SourceCodeInfoBuilder {
-      return Google.Protobuf.SourceCodeInfo.builder().mergeFrom(prototype)
-    }
-    override public func writeDescriptionTo(inout output:String, indent:String) {
-      var locationElementIndex:Int = 0
-      for oneElementlocation in location {
-          output += "\(indent) location[\(locationElementIndex)] {\n"
-          oneElementlocation.writeDescriptionTo(&output, indent:"\(indent)  ")
-          output += "\(indent)}\n"
-          locationElementIndex++
-      }
-      unknownFields.writeDescriptionTo(&output, indent:indent)
-    }
-    override public var hashValue:Int {
-        get {
-            var hashCode:Int = 7
-            for oneElementlocation in location {
-                hashCode = (hashCode &* 31) &+ oneElementlocation.hashValue
-            }
-            hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-            return hashCode
-        }
-    }
-
-
-    //Meta information declaration start
-
-    override public class func className() -> String {
-        return "Google.Protobuf.SourceCodeInfo"
-    }
-    override public func className() -> String {
-        return "Google.Protobuf.SourceCodeInfo"
-    }
-    override public func classMetaType() -> GeneratedMessage.Type {
-        return Google.Protobuf.SourceCodeInfo.self
-    }
-    //Meta information declaration end
-
-  }
-
-  final public class SourceCodeInfoBuilder : GeneratedMessageBuilder {
-    private var builderResult:Google.Protobuf.SourceCodeInfo
-
-    required override public init () {
-       builderResult = Google.Protobuf.SourceCodeInfo()
-       super.init()
-    }
-    public var location:Array<Google.Protobuf.SourceCodeInfo.Location> {
-         get {
-             return builderResult.location
-         }
-         set (value) {
-             builderResult.location = value
-         }
-    }
-    public func setLocation(value:Array<Google.Protobuf.SourceCodeInfo.Location>)-> Google.Protobuf.SourceCodeInfoBuilder {
-      self.location = value
-      return self
-    }
-    public func clearLocation() -> Google.Protobuf.SourceCodeInfoBuilder {
-      builderResult.location.removeAll(keepCapacity: false)
-      return self
-    }
-    override public var internalGetResult:GeneratedMessage {
-         get {
-            return builderResult
-         }
-    }
-    public override func clear() -> Google.Protobuf.SourceCodeInfoBuilder {
-      builderResult = Google.Protobuf.SourceCodeInfo()
-      return self
-    }
-    public override func clone() -> Google.Protobuf.SourceCodeInfoBuilder {
-      return Google.Protobuf.SourceCodeInfo.builderWithPrototype(builderResult)
-    }
-    public override func build() -> Google.Protobuf.SourceCodeInfo {
-         checkInitialized()
-         return buildPartial()
-    }
-    public func buildPartial() -> Google.Protobuf.SourceCodeInfo {
-      var returnMe:Google.Protobuf.SourceCodeInfo = builderResult
-      return returnMe
-    }
-    public func mergeFrom(other:Google.Protobuf.SourceCodeInfo) -> Google.Protobuf.SourceCodeInfoBuilder {
-      if (other == Google.Protobuf.SourceCodeInfo()) {
-       return self
-      }
-      if !other.location.isEmpty  {
-         builderResult.location += other.location
-      }
-      mergeUnknownFields(other.unknownFields)
-      return self
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.SourceCodeInfoBuilder {
-         return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.SourceCodeInfoBuilder {
-      var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-      while (true) {
-        var tag = input.readTag()
-        switch tag {
-        case 0: 
-          self.unknownFields = unknownFieldsBuilder.build()
-          return self
-
-        case 10 :
-          var subBuilder = Google.Protobuf.SourceCodeInfo.Location.builder()
-          input.readMessage(subBuilder,extensionRegistry:extensionRegistry)
-          location += [subBuilder.buildPartial()]
-
-        default:
-          if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-             unknownFields = unknownFieldsBuilder.build()
-             return self
-          }
-        }
-      }
-    }
-  }
-
-}
-
-// @@protoc_insertion_point(global_scope)
diff --git a/src/ProtocolBuffers/runtime-pb-swift/GoogleProtobuf_Descriptor.pb.swift b/src/ProtocolBuffers/runtime-pb-swift/GoogleProtobuf_Descriptor.pb.swift
index b2b33a3..d80032a 100644
--- a/src/ProtocolBuffers/runtime-pb-swift/GoogleProtobuf_Descriptor.pb.swift
+++ b/src/ProtocolBuffers/runtime-pb-swift/GoogleProtobuf_Descriptor.pb.swift
@@ -486,9 +486,9 @@ public extension Google.Protobuf {
     public private(set) var package:String = ""
 
     public private(set) var hasOptions:Bool = false
-    public private(set) var options:Google.Protobuf.FileOptions = Google.Protobuf.FileOptions()
+    public private(set) var options:Google.Protobuf.FileOptions!
     public private(set) var hasSourceCodeInfo:Bool = false
-    public private(set) var sourceCodeInfo:Google.Protobuf.SourceCodeInfo = Google.Protobuf.SourceCodeInfo()
+    public private(set) var sourceCodeInfo:Google.Protobuf.SourceCodeInfo!
     public private(set) var dependency:Array<String> = Array<String>()
     public private(set) var publicDependency:Array<Int32> = Array<Int32>()
     public private(set) var weakDependency:Array<Int32> = Array<Int32>()
@@ -967,7 +967,7 @@ public extension Google.Protobuf {
              return builderResult.hasOptions
          }
     }
-    public var options:Google.Protobuf.FileOptions {
+    public var options:Google.Protobuf.FileOptions! {
          get {
              return builderResult.options
          }
@@ -976,7 +976,7 @@ public extension Google.Protobuf {
              builderResult.options = value
          }
     }
-    public func setOptions(value:Google.Protobuf.FileOptions)-> Google.Protobuf.FileDescriptorProtoBuilder {
+    public func setOptions(value:Google.Protobuf.FileOptions!)-> Google.Protobuf.FileDescriptorProtoBuilder {
       self.options = value
       return self
     }
@@ -991,7 +991,7 @@ public extension Google.Protobuf {
     }
     public func clearOptions() -> Google.Protobuf.FileDescriptorProtoBuilder {
       builderResult.hasOptions = false
-      builderResult.options = Google.Protobuf.FileOptions()
+      builderResult.options = nil
       return self
     }
     public var hasSourceCodeInfo:Bool {
@@ -999,7 +999,7 @@ public extension Google.Protobuf {
              return builderResult.hasSourceCodeInfo
          }
     }
-    public var sourceCodeInfo:Google.Protobuf.SourceCodeInfo {
+    public var sourceCodeInfo:Google.Protobuf.SourceCodeInfo! {
          get {
              return builderResult.sourceCodeInfo
          }
@@ -1008,7 +1008,7 @@ public extension Google.Protobuf {
              builderResult.sourceCodeInfo = value
          }
     }
-    public func setSourceCodeInfo(value:Google.Protobuf.SourceCodeInfo)-> Google.Protobuf.FileDescriptorProtoBuilder {
+    public func setSourceCodeInfo(value:Google.Protobuf.SourceCodeInfo!)-> Google.Protobuf.FileDescriptorProtoBuilder {
       self.sourceCodeInfo = value
       return self
     }
@@ -1023,7 +1023,7 @@ public extension Google.Protobuf {
     }
     public func clearSourceCodeInfo() -> Google.Protobuf.FileDescriptorProtoBuilder {
       builderResult.hasSourceCodeInfo = false
-      builderResult.sourceCodeInfo = Google.Protobuf.SourceCodeInfo()
+      builderResult.sourceCodeInfo = nil
       return self
     }
     override public var internalGetResult:GeneratedMessage {
@@ -1398,7 +1398,7 @@ public extension Google.Protobuf {
     public private(set) var name:String = ""
 
     public private(set) var hasOptions:Bool = false
-    public private(set) var options:Google.Protobuf.MessageOptions = Google.Protobuf.MessageOptions()
+    public private(set) var options:Google.Protobuf.MessageOptions!
     public private(set) var field:Array<Google.Protobuf.FieldDescriptorProto>  = Array<Google.Protobuf.FieldDescriptorProto>()
     public private(set) var extension_:Array<Google.Protobuf.FieldDescriptorProto>  = Array<Google.Protobuf.FieldDescriptorProto>()
     public private(set) var nestedType:Array<Google.Protobuf.DescriptorProto>  = Array<Google.Protobuf.DescriptorProto>()
@@ -1786,7 +1786,7 @@ public extension Google.Protobuf {
              return builderResult.hasOptions
          }
     }
-    public var options:Google.Protobuf.MessageOptions {
+    public var options:Google.Protobuf.MessageOptions! {
          get {
              return builderResult.options
          }
@@ -1795,7 +1795,7 @@ public extension Google.Protobuf {
              builderResult.options = value
          }
     }
-    public func setOptions(value:Google.Protobuf.MessageOptions)-> Google.Protobuf.DescriptorProtoBuilder {
+    public func setOptions(value:Google.Protobuf.MessageOptions!)-> Google.Protobuf.DescriptorProtoBuilder {
       self.options = value
       return self
     }
@@ -1810,7 +1810,7 @@ public extension Google.Protobuf {
     }
     public func clearOptions() -> Google.Protobuf.DescriptorProtoBuilder {
       builderResult.hasOptions = false
-      builderResult.options = Google.Protobuf.MessageOptions()
+      builderResult.options = nil
       return self
     }
     override public var internalGetResult:GeneratedMessage {
@@ -1992,7 +1992,7 @@ public extension Google.Protobuf {
     public private(set) var oneofIndex:Int32 = Int32(0)
 
     public private(set) var hasOptions:Bool = false
-    public private(set) var options:Google.Protobuf.FieldOptions = Google.Protobuf.FieldOptions()
+    public private(set) var options:Google.Protobuf.FieldOptions!
     required public init() {
          super.init()
     }
@@ -2387,7 +2387,7 @@ public extension Google.Protobuf {
              return builderResult.hasOptions
          }
     }
-    public var options:Google.Protobuf.FieldOptions {
+    public var options:Google.Protobuf.FieldOptions! {
          get {
              return builderResult.options
          }
@@ -2396,7 +2396,7 @@ public extension Google.Protobuf {
              builderResult.options = value
          }
     }
-    public func setOptions(value:Google.Protobuf.FieldOptions)-> Google.Protobuf.FieldDescriptorProtoBuilder {
+    public func setOptions(value:Google.Protobuf.FieldOptions!)-> Google.Protobuf.FieldDescriptorProtoBuilder {
       self.options = value
       return self
     }
@@ -2411,7 +2411,7 @@ public extension Google.Protobuf {
     }
     public func clearOptions() -> Google.Protobuf.FieldDescriptorProtoBuilder {
       builderResult.hasOptions = false
-      builderResult.options = Google.Protobuf.FieldOptions()
+      builderResult.options = nil
       return self
     }
     override public var internalGetResult:GeneratedMessage {
@@ -2721,7 +2721,7 @@ public extension Google.Protobuf {
     public private(set) var name:String = ""
 
     public private(set) var hasOptions:Bool = false
-    public private(set) var options:Google.Protobuf.EnumOptions = Google.Protobuf.EnumOptions()
+    public private(set) var options:Google.Protobuf.EnumOptions!
     public private(set) var value:Array<Google.Protobuf.EnumValueDescriptorProto>  = Array<Google.Protobuf.EnumValueDescriptorProto>()
     required public init() {
          super.init()
@@ -2914,7 +2914,7 @@ public extension Google.Protobuf {
              return builderResult.hasOptions
          }
     }
-    public var options:Google.Protobuf.EnumOptions {
+    public var options:Google.Protobuf.EnumOptions! {
          get {
              return builderResult.options
          }
@@ -2923,7 +2923,7 @@ public extension Google.Protobuf {
              builderResult.options = value
          }
     }
-    public func setOptions(value:Google.Protobuf.EnumOptions)-> Google.Protobuf.EnumDescriptorProtoBuilder {
+    public func setOptions(value:Google.Protobuf.EnumOptions!)-> Google.Protobuf.EnumDescriptorProtoBuilder {
       self.options = value
       return self
     }
@@ -2938,7 +2938,7 @@ public extension Google.Protobuf {
     }
     public func clearOptions() -> Google.Protobuf.EnumDescriptorProtoBuilder {
       builderResult.hasOptions = false
-      builderResult.options = Google.Protobuf.EnumOptions()
+      builderResult.options = nil
       return self
     }
     override public var internalGetResult:GeneratedMessage {
@@ -3023,7 +3023,7 @@ public extension Google.Protobuf {
     public private(set) var number:Int32 = Int32(0)
 
     public private(set) var hasOptions:Bool = false
-    public private(set) var options:Google.Protobuf.EnumValueOptions = Google.Protobuf.EnumValueOptions()
+    public private(set) var options:Google.Protobuf.EnumValueOptions!
     required public init() {
          super.init()
     }
@@ -3208,7 +3208,7 @@ public extension Google.Protobuf {
              return builderResult.hasOptions
          }
     }
-    public var options:Google.Protobuf.EnumValueOptions {
+    public var options:Google.Protobuf.EnumValueOptions! {
          get {
              return builderResult.options
          }
@@ -3217,7 +3217,7 @@ public extension Google.Protobuf {
              builderResult.options = value
          }
     }
-    public func setOptions(value:Google.Protobuf.EnumValueOptions)-> Google.Protobuf.EnumValueDescriptorProtoBuilder {
+    public func setOptions(value:Google.Protobuf.EnumValueOptions!)-> Google.Protobuf.EnumValueDescriptorProtoBuilder {
       self.options = value
       return self
     }
@@ -3232,7 +3232,7 @@ public extension Google.Protobuf {
     }
     public func clearOptions() -> Google.Protobuf.EnumValueDescriptorProtoBuilder {
       builderResult.hasOptions = false
-      builderResult.options = Google.Protobuf.EnumValueOptions()
+      builderResult.options = nil
       return self
     }
     override public var internalGetResult:GeneratedMessage {
@@ -3312,7 +3312,7 @@ public extension Google.Protobuf {
     public private(set) var name:String = ""
 
     public private(set) var hasOptions:Bool = false
-    public private(set) var options:Google.Protobuf.ServiceOptions = Google.Protobuf.ServiceOptions()
+    public private(set) var options:Google.Protobuf.ServiceOptions!
     public private(set) var method:Array<Google.Protobuf.MethodDescriptorProto>  = Array<Google.Protobuf.MethodDescriptorProto>()
     required public init() {
          super.init()
@@ -3505,7 +3505,7 @@ public extension Google.Protobuf {
              return builderResult.hasOptions
          }
     }
-    public var options:Google.Protobuf.ServiceOptions {
+    public var options:Google.Protobuf.ServiceOptions! {
          get {
              return builderResult.options
          }
@@ -3514,7 +3514,7 @@ public extension Google.Protobuf {
              builderResult.options = value
          }
     }
-    public func setOptions(value:Google.Protobuf.ServiceOptions)-> Google.Protobuf.ServiceDescriptorProtoBuilder {
+    public func setOptions(value:Google.Protobuf.ServiceOptions!)-> Google.Protobuf.ServiceDescriptorProtoBuilder {
       self.options = value
       return self
     }
@@ -3529,7 +3529,7 @@ public extension Google.Protobuf {
     }
     public func clearOptions() -> Google.Protobuf.ServiceDescriptorProtoBuilder {
       builderResult.hasOptions = false
-      builderResult.options = Google.Protobuf.ServiceOptions()
+      builderResult.options = nil
       return self
     }
     override public var internalGetResult:GeneratedMessage {
@@ -3617,7 +3617,7 @@ public extension Google.Protobuf {
     public private(set) var outputType:String = ""
 
     public private(set) var hasOptions:Bool = false
-    public private(set) var options:Google.Protobuf.MethodOptions = Google.Protobuf.MethodOptions()
+    public private(set) var options:Google.Protobuf.MethodOptions!
     required public init() {
          super.init()
     }
@@ -3837,7 +3837,7 @@ public extension Google.Protobuf {
              return builderResult.hasOptions
          }
     }
-    public var options:Google.Protobuf.MethodOptions {
+    public var options:Google.Protobuf.MethodOptions! {
          get {
              return builderResult.options
          }
@@ -3846,7 +3846,7 @@ public extension Google.Protobuf {
              builderResult.options = value
          }
     }
-    public func setOptions(value:Google.Protobuf.MethodOptions)-> Google.Protobuf.MethodDescriptorProtoBuilder {
+    public func setOptions(value:Google.Protobuf.MethodOptions!)-> Google.Protobuf.MethodDescriptorProtoBuilder {
       self.options = value
       return self
     }
@@ -3861,7 +3861,7 @@ public extension Google.Protobuf {
     }
     public func clearOptions() -> Google.Protobuf.MethodDescriptorProtoBuilder {
       builderResult.hasOptions = false
-      builderResult.options = Google.Protobuf.MethodOptions()
+      builderResult.options = nil
       return self
     }
     override public var internalGetResult:GeneratedMessage {
diff --git a/src/ProtocolBuffers/runtime-pb-swift/SwiftDescriptor.pb.swift b/src/ProtocolBuffers/runtime-pb-swift/SwiftDescriptor.pb.swift
deleted file mode 100644
index a101b33..0000000
--- a/src/ProtocolBuffers/runtime-pb-swift/SwiftDescriptor.pb.swift
+++ /dev/null
@@ -1,337 +0,0 @@
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-
-import Foundation
-
-public extension Google.Protobuf
-public func == (lhs: Google.Protobuf.SwiftFileOptions, rhs: Google.Protobuf.SwiftFileOptions) -> Bool {
-  if (lhs === rhs) {
-    return true
-  }
-  var fieldCheck:Bool = (lhs.hashValue == rhs.hashValue)
-  fieldCheck = fieldCheck && (lhs.hasClassPrefix == rhs.hasClassPrefix) && (!lhs.hasClassPrefix || lhs.classPrefix == rhs.classPrefix)
-  fieldCheck = fieldCheck && (lhs.hasEntitiesAccessControl == rhs.hasEntitiesAccessControl) && (!lhs.hasEntitiesAccessControl || lhs.entitiesAccessControl == rhs.entitiesAccessControl)
-  fieldCheck = fieldCheck && (lhs.hasCompileForFramework == rhs.hasCompileForFramework) && (!lhs.hasCompileForFramework || lhs.compileForFramework == rhs.compileForFramework)
-  return (fieldCheck && (lhs.unknownFields == rhs.unknownFields))
-}
-
-public var SwiftDescriptorRootswiftFileOptions:ConcreateExtensionField {
-   get {
-       return Google.Protobuf.SwiftDescriptorRoot.sharedInstance.SwiftDescriptorRootswiftFileOptionsStatic
-   }
-}
-public extension Google.Protobuf {
-  public struct SwiftDescriptorRoot {
-    public static var sharedInstance : SwiftDescriptorRoot {
-     struct Static {
-         static let instance : SwiftDescriptorRoot = SwiftDescriptorRoot()
-     }
-     return Static.instance
-    }
-    var SwiftDescriptorRootswiftFileOptionsStatic:ConcreateExtensionField
-    public var extensionRegistry:ExtensionRegistry
-
-    init() {
-      SwiftDescriptorRootswiftFileOptionsStatic = ConcreateExtensionField(type:ExtensionType.ExtensionTypeMessage, extendedClass:Google.Protobuf.FileOptions.self, fieldNumber: 5092014, defaultValue:Google.Protobuf.SwiftFileOptions(), messageOrGroupClass:Google.Protobuf.SwiftFileOptions.self, isRepeated:false, isPacked:false, isMessageSetWireFormat:false)
-      extensionRegistry = ExtensionRegistry()
-      registerAllExtensions(extensionRegistry)
-      Google.Protobuf.DescriptorRoot.sharedInstance.registerAllExtensions(extensionRegistry)
-    }
-    public func registerAllExtensions(registry:ExtensionRegistry) {
-      registry.addExtension(SwiftDescriptorRootswiftFileOptionsStatic)
-    }
-    public static func swiftFileOptions() -> ConcreateExtensionField {
-         return SwiftDescriptorRoot.sharedInstance.SwiftDescriptorRootswiftFileOptionsStatic
-    }
-  }
-
-
-
-  //Enum type declaration start 
-
-  public enum AccessControl:Int32 {
-    case InternalEntities = 0
-    case PublicEntities = 1
-
-  }
-
-  //Enum type declaration end 
-
-  final public class SwiftFileOptions : GeneratedMessage, GeneratedMessageProtocol {
-    public private(set) var hasClassPrefix:Bool = false
-    public private(set) var classPrefix:String = ""
-
-    public private(set) var entitiesAccessControl:Google.Protobuf.AccessControl = Google.Protobuf.AccessControl.InternalEntities
-    public private(set) var hasEntitiesAccessControl:Bool = false
-    public private(set) var hasCompileForFramework:Bool = false
-    public private(set) var compileForFramework:Bool = true
-
-    required public init() {
-         super.init()
-    }
-    override public func isInitialized() -> Bool {
-     return true
-    }
-    override public func writeToCodedOutputStream(output:CodedOutputStream) {
-      if hasClassPrefix {
-        output.writeString(1, value:classPrefix)
-      }
-      if hasEntitiesAccessControl {
-        output.writeEnum(2, value:entitiesAccessControl.rawValue)
-      }
-      if hasCompileForFramework {
-        output.writeBool(3, value:compileForFramework)
-      }
-      unknownFields.writeToCodedOutputStream(output)
-    }
-    override public func serializedSize() -> Int32 {
-      var serialize_size:Int32 = memoizedSerializedSize
-      if serialize_size != -1 {
-       return serialize_size
-      }
-
-      serialize_size = 0
-      if hasClassPrefix {
-        serialize_size += classPrefix.computeStringSize(1)
-      }
-      if (hasEntitiesAccessControl) {
-        serialize_size += entitiesAccessControl.rawValue.computeEnumSize(2)
-      }
-      if hasCompileForFramework {
-        serialize_size += compileForFramework.computeBoolSize(3)
-      }
-      serialize_size += unknownFields.serializedSize()
-      memoizedSerializedSize = serialize_size
-      return serialize_size
-    }
-    public class func parseFromData(data:NSData) -> Google.Protobuf.SwiftFileOptions {
-      return Google.Protobuf.SwiftFileOptions.builder().mergeFromData(data, extensionRegistry:Google.Protobuf.SwiftDescriptorRoot.sharedInstance.extensionRegistry).build()
-    }
-    public class func parseFromData(data:NSData, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.SwiftFileOptions {
-      return Google.Protobuf.SwiftFileOptions.builder().mergeFromData(data, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream) -> Google.Protobuf.SwiftFileOptions {
-      return Google.Protobuf.SwiftFileOptions.builder().mergeFromInputStream(input).build()
-    }
-    public class func parseFromInputStream(input:NSInputStream, extensionRegistry:ExtensionRegistry) ->Google.Protobuf.SwiftFileOptions {
-      return Google.Protobuf.SwiftFileOptions.builder().mergeFromInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream) -> Google.Protobuf.SwiftFileOptions {
-      return Google.Protobuf.SwiftFileOptions.builder().mergeFromCodedInputStream(input).build()
-    }
-    public class func parseFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.SwiftFileOptions {
-      return Google.Protobuf.SwiftFileOptions.builder().mergeFromCodedInputStream(input, extensionRegistry:extensionRegistry).build()
-    }
-    public class func builder() -> Google.Protobuf.SwiftFileOptionsBuilder {
-      return Google.Protobuf.SwiftFileOptions.classBuilder() as Google.Protobuf.SwiftFileOptionsBuilder
-    }
-    public func builder() -> Google.Protobuf.SwiftFileOptionsBuilder {
-      return classBuilder() as Google.Protobuf.SwiftFileOptionsBuilder
-    }
-    public override class func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.SwiftFileOptionsBuilder()
-    }
-    public override func classBuilder() -> MessageBuilder {
-      return Google.Protobuf.SwiftFileOptions.builder()
-    }
-    public func toBuilder() -> Google.Protobuf.SwiftFileOptionsBuilder {
-      return Google.Protobuf.SwiftFileOptions.builderWithPrototype(self)
-    }
-    public class func builderWithPrototype(prototype:Google.Protobuf.SwiftFileOptions) -> Google.Protobuf.SwiftFileOptionsBuilder {
-      return Google.Protobuf.SwiftFileOptions.builder().mergeFrom(prototype)
-    }
-    override public func writeDescriptionTo(inout output:String, indent:String) {
-      if hasClassPrefix {
-        output += "\(indent) classPrefix: \(classPrefix) \n"
-      }
-      if (hasEntitiesAccessControl) {
-        output += "\(indent) entitiesAccessControl: \(entitiesAccessControl.rawValue)\n"
-      }
-      if hasCompileForFramework {
-        output += "\(indent) compileForFramework: \(compileForFramework) \n"
-      }
-      unknownFields.writeDescriptionTo(&output, indent:indent)
-    }
-    override public var hashValue:Int {
-        get {
-            var hashCode:Int = 7
-            if hasClassPrefix {
-               hashCode = (hashCode &* 31) &+ classPrefix.hashValue
-            }
-            if hasEntitiesAccessControl {
-               hashCode = (hashCode &* 31) &+ Int(entitiesAccessControl.rawValue)
-            }
-            if hasCompileForFramework {
-               hashCode = (hashCode &* 31) &+ compileForFramework.hashValue
-            }
-            hashCode = (hashCode &* 31) &+  unknownFields.hashValue
-            return hashCode
-        }
-    }
-
-
-    //Meta information declaration start
-
-    override public class func className() -> String {
-        return "Google.Protobuf.SwiftFileOptions"
-    }
-    override public func className() -> String {
-        return "Google.Protobuf.SwiftFileOptions"
-    }
-    override public func classMetaType() -> GeneratedMessage.Type {
-        return Google.Protobuf.SwiftFileOptions.self
-    }
-    //Meta information declaration end
-
-  }
-
-  final public class SwiftFileOptionsBuilder : GeneratedMessageBuilder {
-    private var builderResult:Google.Protobuf.SwiftFileOptions
-
-    required override public init () {
-       builderResult = Google.Protobuf.SwiftFileOptions()
-       super.init()
-    }
-    public var hasClassPrefix:Bool {
-         get {
-              return builderResult.hasClassPrefix
-         }
-    }
-    public var classPrefix:String {
-         get {
-              return builderResult.classPrefix
-         }
-         set (value) {
-             builderResult.hasClassPrefix = true
-             builderResult.classPrefix = value
-         }
-    }
-    public func setClassPrefix(value:String)-> Google.Protobuf.SwiftFileOptionsBuilder {
-      self.classPrefix = value
-      return self
-    }
-    public func clearClassPrefix() -> Google.Protobuf.SwiftFileOptionsBuilder{
-         builderResult.hasClassPrefix = false
-         builderResult.classPrefix = ""
-         return self
-    }
-      public var hasEntitiesAccessControl:Bool{
-          get {
-              return builderResult.hasEntitiesAccessControl
-          }
-      }
-      public var entitiesAccessControl:Google.Protobuf.AccessControl {
-          get {
-              return builderResult.entitiesAccessControl
-          }
-          set (value) {
-              builderResult.hasEntitiesAccessControl = true
-              builderResult.entitiesAccessControl = value
-          }
-      }
-      public func setEntitiesAccessControl(value:Google.Protobuf.AccessControl)-> Google.Protobuf.SwiftFileOptionsBuilder {
-        self.entitiesAccessControl = value
-        return self
-      }
-      public func clearEntitiesAccessControl() -> Google.Protobuf.SwiftFileOptionsBuilder {
-         builderResult.hasEntitiesAccessControl = false
-         builderResult.entitiesAccessControl = .InternalEntities
-         return self
-      }
-    public var hasCompileForFramework:Bool {
-         get {
-              return builderResult.hasCompileForFramework
-         }
-    }
-    public var compileForFramework:Bool {
-         get {
-              return builderResult.compileForFramework
-         }
-         set (value) {
-             builderResult.hasCompileForFramework = true
-             builderResult.compileForFramework = value
-         }
-    }
-    public func setCompileForFramework(value:Bool)-> Google.Protobuf.SwiftFileOptionsBuilder {
-      self.compileForFramework = value
-      return self
-    }
-    public func clearCompileForFramework() -> Google.Protobuf.SwiftFileOptionsBuilder{
-         builderResult.hasCompileForFramework = false
-         builderResult.compileForFramework = true
-         return self
-    }
-    override public var internalGetResult:GeneratedMessage {
-         get {
-            return builderResult
-         }
-    }
-    public override func clear() -> Google.Protobuf.SwiftFileOptionsBuilder {
-      builderResult = Google.Protobuf.SwiftFileOptions()
-      return self
-    }
-    public override func clone() -> Google.Protobuf.SwiftFileOptionsBuilder {
-      return Google.Protobuf.SwiftFileOptions.builderWithPrototype(builderResult)
-    }
-    public override func build() -> Google.Protobuf.SwiftFileOptions {
-         checkInitialized()
-         return buildPartial()
-    }
-    public func buildPartial() -> Google.Protobuf.SwiftFileOptions {
-      var returnMe:Google.Protobuf.SwiftFileOptions = builderResult
-      return returnMe
-    }
-    public func mergeFrom(other:Google.Protobuf.SwiftFileOptions) -> Google.Protobuf.SwiftFileOptionsBuilder {
-      if (other == Google.Protobuf.SwiftFileOptions()) {
-       return self
-      }
-      if other.hasClassPrefix {
-           classPrefix = other.classPrefix
-      }
-      if other.hasEntitiesAccessControl {
-           entitiesAccessControl = other.entitiesAccessControl
-      }
-      if other.hasCompileForFramework {
-           compileForFramework = other.compileForFramework
-      }
-      mergeUnknownFields(other.unknownFields)
-      return self
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream) ->Google.Protobuf.SwiftFileOptionsBuilder {
-         return mergeFromCodedInputStream(input, extensionRegistry:ExtensionRegistry())
-    }
-    public override func mergeFromCodedInputStream(input:CodedInputStream, extensionRegistry:ExtensionRegistry) -> Google.Protobuf.SwiftFileOptionsBuilder {
-      var unknownFieldsBuilder:UnknownFieldSetBuilder = UnknownFieldSet.builderWithUnknownFields(self.unknownFields)
-      while (true) {
-        var tag = input.readTag()
-        switch tag {
-        case 0: 
-          self.unknownFields = unknownFieldsBuilder.build()
-          return self
-
-        case 10 :
-          classPrefix = input.readString()
-
-        case 16 :
-          let valueIntentitiesAccessControl = input.readEnum()
-          if let enumsentitiesAccessControl = Google.Protobuf.AccessControl(rawValue:valueIntentitiesAccessControl){
-               entitiesAccessControl = enumsentitiesAccessControl
-          } else {
-               unknownFieldsBuilder.mergeVarintField(2, value:Int64(valueIntentitiesAccessControl))
-          }
-
-        case 24 :
-          compileForFramework = input.readBool()
-
-        default:
-          if (!parseUnknownField(input,unknownFields:unknownFieldsBuilder, extensionRegistry:extensionRegistry, tag:tag)) {
-             unknownFields = unknownFieldsBuilder.build()
-             return self
-          }
-        }
-      }
-    }
-  }
-
-}
-
-// @@protoc_insertion_point(global_scope)
diff --git a/src/compiler/google/protobuf/performance.proto b/src/compiler/google/protobuf/performance.proto
index 0d465af..33c852d 100644
--- a/src/compiler/google/protobuf/performance.proto
+++ b/src/compiler/google/protobuf/performance.proto
@@ -4,6 +4,14 @@ option (.google.protobuf.swift_file_options).entities_access_control = PublicEnt
 
 // package google.protobuf;
 
+message User {
+  optional Group group = 1;
+}
+
+message Group {
+  optional User owner = 1;
+}
+
 message PerfomanceBatch
 {
   repeated Perfomance batch = 1;
diff --git a/src/compiler/swift_message_field.cc b/src/compiler/swift_message_field.cc
index fe07344..19dd1ec 100644
--- a/src/compiler/swift_message_field.cc
+++ b/src/compiler/swift_message_field.cc
@@ -102,7 +102,7 @@ namespace google { namespace protobuf { namespace compiler { namespace swift {
         }
         else {
             printer->Print(variables_, "$acontrol$private(set) var has$capitalized_name$:Bool = false\n");
-            printer->Print(variables_, "$acontrol$private(set) var $name$:$type$ = $type$()\n");
+            printer->Print(variables_, "$acontrol$private(set) var $name$:$type$!\n");
         }
         
     }
@@ -117,7 +117,7 @@ namespace google { namespace protobuf { namespace compiler { namespace swift {
                        "         return builderResult.has$capitalized_name$\n"
                        "     }\n"
                        "}\n"
-                       "$acontrol$var $name$:$storage_type$ {\n"
+                       "$acontrol$var $name$:$storage_type$! {\n"
                        "     get {\n"
                        "         return builderResult.$name$\n"
                        "     }\n"
@@ -126,7 +126,7 @@ namespace google { namespace protobuf { namespace compiler { namespace swift {
                        "         builderResult.$name$ = value\n"
                        "     }\n"
                        "}\n"
-                       "$acontrol$func set$capitalized_name$(value:$storage_type$)-> $classname$Builder {\n"
+                       "$acontrol$func set$capitalized_name$(value:$storage_type$!)-> $classname$Builder {\n"
                        "  self.$name$ = value\n"
                        "  return self\n"
                        "}\n"
@@ -141,7 +141,7 @@ namespace google { namespace protobuf { namespace compiler { namespace swift {
                        "}\n"
                        "$acontrolFunc$ func clear$capitalized_name$() -> $classname$Builder {\n"
                        "  builderResult.has$capitalized_name$ = false\n"
-                       "  builderResult.$name$ = $type$()\n"
+                       "  builderResult.$name$ = nil\n"
                        "  return self\n"
                        "}\n");
     }