@class AVCaptureInputPort, NSString;
@interface AVCaptureMetadataInputInternal : NSObject {
AVCaptureInputPort *metadataPort;
NSString *sourceID;
struct opaqueCMFormatDescription { } *desc;
struct OpaqueCMClock { } *clock;
struct OpaqueCMBlockBuffer { } *emptyBoxedMetadata;
}
@end