Mark the class with API_AVAILABLE version check, this framework can only be used on iOS 13/macOS 10.15

Author: dreampiggy

SDWebImageSVGCoder/Classes/SDImageSVGCoder.h

@@ -15,6 +15,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 static const SDImageFormat SDImageFormatSVG = 12;
 
+API_AVAILABLE(macos(10.15), ios(13.0), watchos(6.0), tvos(13.0))
 @interface SDImageSVGCoder : NSObject <SDImageCoder>
 
 @property (nonatomic, class, readonly) SDImageSVGCoder *sharedCoder;

SDWebImageSVGCoder/Classes/SDWebImageSVGCoderDefine.h

@@ -15,16 +15,16 @@
  A BOOL value which specify whether we prefer the actual bitmap representation instead of vector representation for SVG image. This is because the UIImage on iOS 13+ (NSImage on macOS 10.15+) can use the vector image format, which support dynamic scale without losing any detail. However, for some image processing logic, user may need the actual bitmap representation to manage pixels. (NSNumber)
  If you don't provide this value, use NO for default value and prefer the vector format when possible.
  */
-FOUNDATION_EXPORT SDWebImageContextOption _Nonnull const SDWebImageContextSVGPrefersBitmap;
+FOUNDATION_EXPORT SDWebImageContextOption _Nonnull const SDWebImageContextSVGPrefersBitmap API_AVAILABLE(macos(10.15), ios(13.0), watchos(6.0), tvos(13.0));
 
 /**
  A CGSize raw value which specify the desired SVG image size during image loading. Because vector image like SVG format, may not contains a fixed size, or you want to get a larger size bitmap representation UIImage. (NSValue)
  If you don't provide this value, use viewBox size of SVG for default value;
  */
-FOUNDATION_EXPORT SDWebImageContextOption _Nonnull const SDWebImageContextSVGImageSize;
+FOUNDATION_EXPORT SDWebImageContextOption _Nonnull const SDWebImageContextSVGImageSize API_AVAILABLE(macos(10.15), ios(13.0), watchos(6.0), tvos(13.0));
 
 /**
  A BOOL value which specify the whether SVG image should keep aspect ratio during image loading. Because when you specify image size via `SDWebImageContextSVGImageSize`, we need to know whether to keep aspect ratio or not when image size aspect ratio is not equal to SVG viewBox size aspect ratio. (NSNumber)
  If you don't provide this value, use YES for default value.
  */
-FOUNDATION_EXPORT SDWebImageContextOption _Nonnull const SDWebImageContextSVGImagePreserveAspectRatio;
+FOUNDATION_EXPORT SDWebImageContextOption _Nonnull const SDWebImageContextSVGImagePreserveAspectRatio API_AVAILABLE(macos(10.15), ios(13.0), watchos(6.0), tvos(13.0));