@class AVCaptureMetadataInputInternal; @interface AVCaptureMetadataInput : AVCaptureInput { AVCaptureMetadataInputInternal *_internal; } + (void)initialize; + (id)metadataInputWithFormatDescription:(struct opaqueCMFormatDescription { } *)a0 clock:(struct OpaqueCMClock { } *)a1; - (id)init; - (void)dealloc; - (id)ports; - (struct OpaqueCMClock { } *)clock; - (id)sourceID; - (BOOL)appendTimedMetadataGroup:(id)a0 error:(id *)a1; - (id)initWithFormatDescription:(struct opaqueCMFormatDescription { } *)a0 clock:(struct OpaqueCMClock { } *)a1; @end