@class NSString, PXStoryViewModel, PXStoryModel; @protocol PXStoryTimeline; @interface PXStoryScrubberScrollLayout : PXGLayout <PXGSolidColorSource, PXChangeObserver, PXGScrollLayoutDelegate> { BOOL _isUpdating; struct { unsigned long long needsUpdate; unsigned long long updated; BOOL isPerformingUpdate; BOOL willPerformUpdate; } _updateFlags; unsigned int _firstPageSpriteIndex; } @property (retain, nonatomic) id<PXStoryTimeline> displayedTimeline; @property (nonatomic) long long numberOfPages; @property (nonatomic) struct { long long firstSegmentIdentifier; double secondSegmentMixFactor; long long secondSegmentIdentifier; } presentedScrubberPosition; @property (readonly, nonatomic) id modelChangeOrigin; @property (readonly, nonatomic) PXStoryViewModel *viewModel; @property (readonly, nonatomic) PXStoryModel *model; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)didUpdate; - (id)init; - (void)observable:(id)a0 didChange:(unsigned long long)a1 context:(void *)a2; - (void)willUpdate; - (id)colorAtIndex:(unsigned int)a0 inLayout:(id)a1; - (void)update; - (void)visibleRectDidChange; - (void)_invalidateContent; - (void)_updateContent; - (void).cxx_destruct; - (void)referenceSizeDidChange; - (void)scrollLayoutWillBeginScrolling:(id)a0; - (void)_invalidateCurrentScrollPosition; - (void)_invalidateDisplayedTimeline; - (void)_invalidateModelScrubberPosition; - (void)_invalidatePages; - (void)_invalidatePresentedScrubberPosition; - (struct CGPoint { double x0; double x1; })_offsetFromFirstPageForScrollingToPosition:(struct { long long x0; double x1; long long x2; })a0 visibleRect:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a1; - (void)_updateCurrentScrollPosition; - (void)_updateDisplayedTimeline; - (void)_updateModelScrubberPosition; - (void)_updatePages; - (void)_updatePresentedScrubberPosition; - (void)adjustScrollTargetContentOffset:(inout struct CGPoint { double x0; double x1; } *)a0 withVelocity:(struct CGPoint { double x0; double x1; })a1; - (id)createAnchorForScrollingToPosition:(struct { long long x0; double x1; long long x2; })a0; - (id)initWithViewModel:(id)a0 model:(id)a1; - (void)scrollLayoutDidEndScrolling:(id)a0; - (void)scrollLayoutDidScroll:(id)a0; - (void)scrollLayoutWillEndScrolling:(id)a0 withVelocity:(struct CGPoint { double x0; double x1; })a1 targetContentOffset:(inout struct CGPoint { double x0; double x1; } *)a2 currentContentOffset:(struct CGPoint { double x0; double x1; })a3; @end