ImageIO macOS 11.3 to 12.0 API Differences

CGImageProperties.h
Added kCGImagePropertyImageIndex
Added kCGImagePropertyGroups
Added kCGImagePropertyGroupIndex
Added kCGImagePropertyGroupType
Added kCGImagePropertyGroupTypeStereoPair
Added kCGImagePropertyGroupTypeAlternate
Added kCGImagePropertyGroupImagesAlternate
Added kCGImagePropertyGroupImageIndexLeft
Added kCGImagePropertyGroupImageIndexRight
Added kCGImagePropertyGroupImageIsLeftImage
Added kCGImagePropertyGroupImageIsRightImage
Added kCGImagePropertyGroupImageIsAlternateImage