Make inner classes private for better encapsulation

Author: tpietzsch

src/main/java/net/imglib2/roi/boundary/Boundary.java

@@ -135,7 +135,7 @@ public RandomAccess< BoolType > randomAccess( final Interval interval )
 		return randomAccess();
 	}
 
-	final class BoundaryIterable extends AbstractWrappedInterval< Interval > implements IterableInterval< Void >
+	private final class BoundaryIterable extends AbstractWrappedInterval< Interval > implements IterableInterval< Void >
 	{
 		BoundaryIterable()
 		{
@@ -179,7 +179,7 @@ public Void firstElement()
 		}
 	}
 
-	final class BoundaryCursor extends Point implements Cursor< Void >
+	private final class BoundaryCursor extends Point implements Cursor< Void >
 	{
 		private int i;
 

src/main/java/net/imglib2/roi/labeling/LabelRegion.java

@@ -186,7 +186,7 @@ public PositionableIterableInterval< Void > inside()
 		return inside;
 	}
 
-	class LabelRegionIterable extends AbstractWrappedPositionableLocalizable< LabelRegion > implements PositionableIterableInterval< Void >
+	private final class LabelRegionIterable extends AbstractWrappedPositionableLocalizable< LabelRegion< T > > implements PositionableIterableInterval< Void >
 	{
 		LabelRegionIterable()
 		{

src/main/java/net/imglib2/roi/util/IterableRandomAccessibleRegion.java

@@ -96,7 +96,7 @@ public IterableInterval< Void > inside()
 		return inside;
 	}
 
-	class InsideIterable extends AbstractWrappedInterval< Interval > implements IterableInterval< Void >
+	private final class InsideIterable extends AbstractWrappedInterval< Interval > implements IterableInterval< Void >
 	{
 		InsideIterable()
 		{

src/main/java/net/imglib2/roi/util/IterableRegionOnBooleanRAI.java

@@ -95,7 +95,7 @@ public IterableInterval< Void > inside()
 		return inside;
 	}
 
-	class InsideIterable extends AbstractWrappedInterval< Interval > implements IterableInterval< Void >
+	private final class InsideIterable extends AbstractWrappedInterval< Interval > implements IterableInterval< Void >
 	{
 		InsideIterable()
 		{

src/main/java/net/imglib2/roi/util/PositionableWrappedIterableRegion.java

@@ -84,7 +84,7 @@ public RandomAccess< T > randomAccess( final Interval interval )
 		return new RA( source.randomAccess( Intervals.translate( interval, currentOffset ) ), currentOffset );
 	}
 
-	class RA extends OffsetPositionableLocalizable< RandomAccess< T > > implements RandomAccess< T >
+	private final class RA extends OffsetPositionableLocalizable< RandomAccess< T > > implements RandomAccess< T >
 	{
 		public RA( final RandomAccess< T > source, final long[] offset )
 		{
@@ -116,7 +116,7 @@ public PositionableIterableInterval< Void > inside()
 		return inside;
 	}
 
-	class InsideIterable extends AbstractWrappedPositionableLocalizable< PositionableWrappedIterableRegion< T > > implements PositionableIterableInterval< Void >
+	private final class InsideIterable extends AbstractWrappedPositionableLocalizable< PositionableWrappedIterableRegion< T > > implements PositionableIterableInterval< Void >
 	{
 		InsideIterable()
 		{
@@ -172,7 +172,7 @@ public long max( final int d )
 		}
 	}
 
-	class PositionableInsideCursor extends OffsetLocalizable< Cursor< Void > > implements Cursor< Void >
+	private final class PositionableInsideCursor extends OffsetLocalizable< Cursor< Void > > implements Cursor< Void >
 	{
 		public PositionableInsideCursor( final Cursor< Void > cursor )
 		{