@class NSArray, AVCaptureSynchronizedMetadataObjectDataInternal; @interface AVCaptureSynchronizedMetadataObjectData : AVCaptureSynchronizedData { AVCaptureSynchronizedMetadataObjectDataInternal *_internal; } @property (readonly) NSArray *metadataObjects; + (void)initialize; - (void)dealloc; - (id)_initWithMetadataObjectCollection:(id)a0; - (void)addSynchronizedData:(id)a0; - (id)handledMetadataObjectTypes; @end