ImageIO watchOS 3.2 to 4.0 API Differences

CGImageDestination.h

Added CGImageDestinationAddAuxiliaryDataInfo()

CGImageProperties.h

Added kCGImagePropertyFileContentsDictionary

Added kCGImageAuxiliaryDataTypeDepth

Added kCGImageAuxiliaryDataTypeDisparity

Added kCGImageAuxiliaryDataInfoData

Added kCGImageAuxiliaryDataInfoDataDescription

Added kCGImageAuxiliaryDataInfoMetadata

Added kCGImagePropertyImageCount

Added kCGImagePropertyWidth

Added kCGImagePropertyHeight

Added kCGImagePropertyBytesPerRow

Added kCGImagePropertyNamedColorSpace

Added kCGImagePropertyPixelFormat

Added kCGImagePropertyImages

Added kCGImagePropertyThumbnailImages

Added kCGImagePropertyAuxiliaryData

Added kCGImagePropertyAuxiliaryDataType

CGImageSource.h

Added CGImageSourceCopyAuxiliaryDataInfoAtIndex()