@interface PXStoryMutableConcreteTimeline : PXStoryConcreteTimeline {
    long long _bufferCapacity;
    long long *_playbackStyles;
    struct { struct CGSize { double x0; double x1; } x0; struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; } x1; struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; } x2; struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; } x3; struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; } x4; } *_assetContentInfos;
    struct UIEdgeInsets { double x0; double x1; double x2; double x3; } *_safeAreaInsets;
    struct { struct { struct { double x0; double x1; double x2; } x0; struct { double x0; double x1; double x2; } x1; struct { double x0; double x1; double x2; } x2; struct { double x0; double x1; double x2; } x3; } x0; struct { struct { double x0; double x1; double x2; } x0; struct { double x0; double x1; double x2; } x1; struct { double x0; double x1; double x2; } x2; struct { double x0; double x1; double x2; } x3; } x1; struct { long long x0; int x1; unsigned int x2; long long x3; } x2; } *_clippingAnimationInfos;
    struct { struct { struct CGAffineTransform { double x0; double x1; double x2; double x3; double x4; double x5; } x0; } x0; struct { struct CGAffineTransform { double x0; double x1; double x2; double x3; double x4; double x5; } x0; } x1; struct { long long x0; int x1; unsigned int x2; long long x3; } x2; } *_kenBurnsAnimationInfos;
    struct { char x0; unsigned char x1; struct { long long x0; int x1; unsigned int x2; long long x3; } x2; char x3; union { char x0; char x1; char x2; char x3; } x4; union { double x0; double x1; char x2; } x5; } *_transitionInfos;
    struct { long long x0; long long x1; float x2; double x3; double x4; double x5; double x6; } *_audioInfos;
    unsigned long long *_clipOptions;
}

- (void)setStartTime:(struct { long long x0; int x1; unsigned int x2; long long x3; })a0;
- (void)dealloc;
- (void)setTimeline:(id)a0;
- (id)copyWithZone:(struct _NSZone { } *)a0;
- (void)appendTimeline:(id)a0;
- (long long)_appendSegmentFromTimeline:(id)a0 withIdentifier:(long long)a1;
- (long long)addClipWithTimeRange:(struct { struct { long long x0; int x1; unsigned int x2; long long x3; } x0; struct { long long x0; int x1; unsigned int x2; long long x3; } x1; })a0 frame:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a1 info:(struct { long long x0; long long x1; struct CGSize { double x0; double x1; } x2; unsigned long long x3; struct { struct { long long x0; int x1; unsigned int x2; long long x3; } x0; struct { long long x0; int x1; unsigned int x2; long long x3; } x1; struct { long long x0; int x1; unsigned int x2; long long x3; } x2; struct { struct { long long x0; int x1; unsigned int x2; long long x3; } x0; long long x1; } x3; char x4; } x4; long long x5; struct { struct CGSize { double x0; double x1; } x0; struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; } x1; struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; } x2; struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; } x3; struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; } x4; } x6; struct UIEdgeInsets { double x0; double x1; double x2; double x3; } x7; struct { struct { struct { double x0; double x1; double x2; } x0; struct { double x0; double x1; double x2; } x1; struct { double x0; double x1; double x2; } x2; struct { double x0; double x1; double x2; } x3; } x0; struct { struct { double x0; double x1; double x2; } x0; struct { double x0; double x1; double x2; } x1; struct { double x0; double x1; double x2; } x2; struct { double x0; double x1; double x2; } x3; } x1; struct { long long x0; int x1; unsigned int x2; long long x3; } x2; } x8; struct { struct { struct CGAffineTransform { double x0; double x1; double x2; double x3; double x4; double x5; } x0; } x0; struct { struct CGAffineTransform { double x0; double x1; double x2; double x3; double x4; double x5; } x0; } x1; struct { long long x0; int x1; unsigned int x2; long long x3; } x2; } x9; struct { char x0; unsigned char x1; struct { long long x0; int x1; unsigned int x2; long long x3; } x2; char x3; union { char x0; char x1; char x2; char x3; } x4; union { double x0; double x1; char x2; } x5; } x10; struct { long long x0; long long x1; float x2; double x3; double x4; double x5; double x6; } x11; })a2 resourceIndex:(long long)a3;
- (long long)addSegmentWithTimeRange:(struct { struct { long long x0; int x1; unsigned int x2; long long x3; } x0; struct { long long x0; int x1; unsigned int x2; long long x3; } x1; })a0 info:(struct { long long x0; struct { long long x0; BOOL x1; long long x2; double x3; long long x4; } x1; struct { char x0; unsigned char x1; struct { long long x0; int x1; unsigned int x2; long long x3; } x2; char x3; union { char x0; char x1; char x2; char x3; } x4; union { double x0; double x1; char x2; } x5; } x2; struct { struct { long long x0; int x1; unsigned int x2; long long x3; } x0; struct { long long x0; int x1; unsigned int x2; long long x3; } x1; struct { long long x0; int x1; unsigned int x2; long long x3; } x2; struct { struct { long long x0; int x1; unsigned int x2; long long x3; } x0; long long x1; } x3; char x4; } x3; })a1;
- (long long)appendSegmentWithDurationInfo:(struct { struct { long long x0; int x1; unsigned int x2; long long x3; } x0; struct { long long x0; int x1; unsigned int x2; long long x3; } x1; struct { long long x0; int x1; unsigned int x2; long long x3; } x2; struct { struct { long long x0; int x1; unsigned int x2; long long x3; } x0; long long x1; } x3; char x4; })a0 clipCount:(long long)a1 compositionInfo:(struct { long long x0; BOOL x1; long long x2; double x3; long long x4; })a2 configuration:(id /* block */)a3;
- (void)appendTimeRange:(struct { struct { long long x0; int x1; unsigned int x2; long long x3; } x0; struct { long long x0; int x1; unsigned int x2; long long x3; } x1; })a0 fromTimeline:(id)a1;
- (long long)insertClipInTimeRange:(struct { struct { long long x0; int x1; unsigned int x2; long long x3; } x0; struct { long long x0; int x1; unsigned int x2; long long x3; } x1; })a0 resourceKind:(long long)a1 options:(unsigned long long)a2 resourceIndex:(long long)a3 frame:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a4 transitionInfo:(struct { char x0; unsigned char x1; struct { long long x0; int x1; unsigned int x2; long long x3; } x2; char x3; union { char x0; char x1; char x2; char x3; } x4; union { double x0; double x1; char x2; } x5; })a5 kenBurnsAnimationInfo:(struct { struct { struct CGAffineTransform { double x0; double x1; double x2; double x3; double x4; double x5; } x0; } x0; struct { struct CGAffineTransform { double x0; double x1; double x2; double x3; double x4; double x5; } x0; } x1; struct { long long x0; int x1; unsigned int x2; long long x3; } x2; })a6;
- (void)modifyInfoForSegmentAtIndex:(long long)a0 usingBlock:(id /* block */)a1;
- (void)modifyOptionsForClipWithIdentifier:(long long)a0 hintIndex:(long long)a1 usingBlock:(id /* block */)a2;
- (void)removeAllClipsAndSegments;

@end