System/Library/PrivateFrameworks/PaperKit.framework
PPKImageReader.h
@interface PPKImageReader : NSObject
+ (id)_privateImageMetadataDescriptors;
- (id)_readAnnotationsFromDataProvider:(struct CGDataProvider { } *)a0;
- (id)_readDataFromTagAtPath:(id)a0 inMetadata:(struct CGImageMetadata { } *)a1;
@end