@class NSArray, NSDictionary, AVWeakReference, AVCaptureDataOutputDelegateCallbackHelper;
@interface AVCaptureVideoDataOutputInternal : NSObject {
AVWeakReference *weakReference;
NSDictionary *videoSettings;
NSDictionary *clientVideoSettings;
struct { long long value; int timescale; unsigned int flags; long long epoch; } deprecatedMinFrameDuration;
BOOL alwaysDiscardsLateVideoFrames;
BOOL automaticallyConfiguresOutputBufferDimensions;
BOOL deliversPreviewSizedOutputBuffers;
BOOL sceneStabilityMetadataEnabled;
NSArray *requestedBufferAttachments;
BOOL videoSettingsDimensionsOverrideEnabled;
BOOL videoSettingsDimensionsOverrideEnabledByClient;
NSArray *availableVideoCVPixelFormatTypes;
AVCaptureDataOutputDelegateCallbackHelper *delegateCallbackHelper;
}
- (id)init;
- (void)dealloc;
@end