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Viewing file: UIScrollView.h   download   logify
UIScrollView was found in iOS 11.1.2, 11.0.1, 11.0, 10.2, 10.1.1, 9.3.3, 9.0, 8.0, 7.0, 6.0, 5.0, 4.0
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/*
* This header is generated by classdump-dyld 0.1
* on Wednesday, September 20, 2017 at 9:27:06 PM Eastern European Summer Time
* Operating System: Version 11.0 (Build 15A372)
* Image Source: /System/Library/Frameworks/UIKit.framework/UIKit
* classdump-dyld is free of use, Copyright © 2013 by Elias Limneos.
*/

#import <UIKit/UIKit-Structs.h>
#import <UIKit/UIView.h>
#import <UIKit/DebugHierarchyObject.h>
#import <UIKit/UIGestureRecognizerDelegate.h>
#import <UIKit/UIScrollViewDelayedTouchesBeganGestureRecognizerClient.h>
#import <UIKit/_UIScrollToTopView.h>
#import <UIKit/UIIndexBarAccessoryViewDelegate.h>
#import <UIKit/NSCoding.h>

@protocol _UIScrollViewLayoutObserver, UIFocusItem;
@class UIImageView, _UIStaticScrollBar, UIView, CADisplayLink, NSHashTable, UIScrollViewPinchGestureRecognizer, UIScrollViewDelayedTouchesBeganGestureRecognizer, UIScrollViewDirectionalPressGestureRecognizer, UISwipeGestureRecognizer, _UIDragAutoScrollGestureRecognizer, _UIAutoScrollAssistant, UIRefreshControl, _UIEdgeFeedbackGenerator, _UIZoomEdgeFeedbackGenerator, _UIFocusFastScrollingRequest, _UIFocusFastScrollingController, _UIFocusFastScrollingIndexBarView, UILayoutGuide, NSISVariable, NSArray, NSMutableDictionary, NSString, UIPanGestureRecognizer, UIPinchGestureRecognizer, UIGestureRecognizer;

@interface UIScrollView : UIView <DebugHierarchyObject, UIGestureRecognizerDelegate, UIScrollViewDelayedTouchesBeganGestureRecognizerClient, _UIScrollToTopView, UIIndexBarAccessoryViewDelegate, NSCoding> {

id _delegate;
CGSize _contentSize;
UIEdgeInsets _contentInset;
UIEdgeInsets _contentScrollInset;
UIImageView* _verticalScrollIndicator;
UIImageView* _horizontalScrollIndicator;
_UIStaticScrollBar* _staticScrollBar;
UIEdgeInsets _scrollIndicatorInset;
double _startOffsetX;
double _startOffsetY;
double _lastUpdateOffsetX;
double _lastUpdateOffsetY;
double _lastUpdateTime;
CGPoint _lastSetContentOffsetUnrounded;
double _lastOffsetUpdateTimeInterval;
CGSize _lastOffsetUpdateOffset;
long long _smoothScrollCallbackSkips;
long long _smoothScrollCallbackCurrentSkipCount;
double _minimumZoomScale;
double _maximumZoomScale;
UIView* _zoomView;
double _horizontalVelocity;
double _verticalVelocity;
double _previousHorizontalVelocity;
double _previousVerticalVelocity;
CADisplayLink* _scrollHeartbeat;
CGPoint _pageDecelerationTarget;
CGSize _decelerationFactor;
CGPoint _adjustedDecelerationTarget;
CGSize _adjustedDecelerationFactor;
double _decelerationLnFactorH;
double _decelerationLnFactorV;
id* _shadows;
NSHashTable* _scrollNotificationObservers;
double _contentOffsetAnimationDuration;
id _animation;
id _zoomAnimation;
UIScrollViewPinchGestureRecognizer* _pinch;
id _pan;
id _swipe;
UIScrollViewDelayedTouchesBeganGestureRecognizer* _touchDelayGestureRecognizer;
UIScrollViewDirectionalPressGestureRecognizer* _directionalPressGestureRecognizer;
UISwipeGestureRecognizer* _lowFidelitySwipeGestureRecognizers[4];
_UIDragAutoScrollGestureRecognizer* _dragAutoScrollGestureRecognizer;
_UIAutoScrollAssistant* _autoScrollAssistant;
UIScrollView* _draggingChildScrollView;
CGPoint _parentAdjustment;
double _pagingSpringPull;
double _pagingFriction;
long long _fastScrollCount;
double _fastScrollMultiplier;
double _fastScrollStartMultiplier;
double _fastScrollEndTime;
CGPoint _rotationCenterPoint;
double _accuracy;
unsigned long long _zoomAnimationCount;
CGSize _accumulatedOffset;
long long _touchLevel;
double _savedKeyboardAdjustmentDelta;
CGSize _interpageSpacing;
CGPoint _pagingOrigin;
UIOffset _firstPageOffset;
double _allowedNavigationOverlapAmount;
UIRefreshControl* _refreshControl;
UIView* _relativePanView;
<_UIScrollViewLayoutObserver>* _layoutObserver;
_UIEdgeFeedbackGenerator* _horizontalFeedbackGenerator;
_UIEdgeFeedbackGenerator* _verticalFeedbackGenerator;
_UIZoomEdgeFeedbackGenerator* _zoomFeedbackGenerator;
UIEdgeInsets _gradientMaskLengths;
UIEdgeInsets _gradientMaskEdgeInsets;
_UIFocusFastScrollingRequest* _focusFastScrollingRequest;
_UIFocusFastScrollingController* _focusFastScrollingController;
_UIFocusFastScrollingIndexBarView* _focusFastScrollingIndexBarView;
<UIFocusItem>* _overridingDestinationItemForFocusUpdate;
UILayoutGuide* _contentLayoutGuide;
UILayoutGuide* _frameLayoutGuide;
long long _automaticContentOffsetAdjustmentsAnimatedEnabledCount;
long long _contentInsetAdjustmentBehavior;
double _velocityScaleFactor;
bool _deferredUpdateTargetIsValid;
CGPoint _deferredUpdateTargetContentOffset;
CGSize _deferredUpdateTargetContentSize;
struct {
unsigned tracking : 1;
unsigned dragging : 1;
unsigned verticalBounceEnabled : 1;
unsigned horizontalBounceEnabled : 1;
unsigned verticalBouncing : 1;
unsigned horizontalBouncing : 1;
unsigned bouncesZoom : 1;
unsigned zoomBouncing : 1;
unsigned alwaysBounceHorizontal : 1;
unsigned alwaysBounceVertical : 1;
unsigned preventScrollingContainer : 1;
unsigned canCancelContentTouches : 1;
unsigned delaysContentTouches : 1;
unsigned programmaticScrollDisabled : 1;
unsigned scrollDisabled : 1;
unsigned zoomDisabled : 1;
unsigned scrollTriggered : 1;
unsigned showsHorizontalScrollIndicator : 1;
unsigned showsVerticalScrollIndicator : 1;
unsigned indexDisplayMode : 2;
unsigned indicatorStyle : 2;
unsigned inZoom : 1;
unsigned hideIndicatorsInZoom : 1;
unsigned pushedTrackingMode : 1;
unsigned flashingScrollIndicators : 1;
unsigned verticalIndicatorShrunk : 1;
unsigned horizontalIndicatorShrunk : 1;
unsigned contentFitDisableScrolling : 1;
unsigned pagingEnabled : 1;
unsigned pagingLeft : 1;
unsigned pagingRight : 1;
unsigned pagingUp : 1;
unsigned pagingDown : 1;
unsigned lastHorizontalDirection : 1;
unsigned lastVerticalDirection : 1;
unsigned dontScrollToTop : 1;
unsigned scrollingToTop : 1;
unsigned scrollingDirectionalPress : 1;
unsigned singleFingerPan : 1;
unsigned autoscrolling : 1;
unsigned automaticContentOffsetAdjustmentDisabled : 1;
unsigned skipStartOffsetAdjustment : 1;
unsigned delegateScrollViewDidScroll : 1;
unsigned delegateScrollViewDidZoom : 1;
unsigned delegateContentSizeForZoomScale : 1;
unsigned delegateScrollViewDidChangeContentSize : 1;
unsigned delegateScrollViewDidChangeAdjustedContentInset : 1;
unsigned delegateWasNonNil : 1;
unsigned preserveCenterDuringRotation : 1;
unsigned delaysTrackingWhileDecelerating : 1;
unsigned pinnedZoomMin : 1;
unsigned pinnedXMin : 1;
unsigned pinnedYMin : 1;
unsigned pinnedXMax : 1;
unsigned pinnedYMax : 1;
unsigned staysCenteredDuringPinch : 1;
unsigned wasDelayingPinchForSystemGestures : 1;
unsigned disableContentOffsetRounding : 1;
unsigned alwaysDisableContentOffsetRounding : 1;
unsigned adjustedDecelerationTargetX : 1;
unsigned adjustedDecelerationTargetY : 1;
unsigned hasScrolled : 1;
unsigned wantsConstrainedContentSize : 1;
unsigned constrainedContentSizeNeedsUpdate : 1;
unsigned updateInsetBottom : 1;
unsigned beingDraggedByChildScrollView : 1;
unsigned adjustsTargetsOnContentOffsetChanges : 1;
unsigned forwardsTouchesUpResponderChain : 1;
unsigned firstResponderKeyboardAvoidanceDisabled : 1;
unsigned hasGradientMaskView : 1;
unsigned interruptingDeceleration : 1;
unsigned delegateScrollViewAdjustedOffset : 1;
unsigned inSetContentOffset : 1;
unsigned canSkipTraitsAndOverlayUpdatesForViewControllerToNotifyOnLayout : 1;
unsigned needToIncrementScrollBounceStatistic : 1;
unsigned didSetContentSizeAtLeastOnce : 1;
unsigned forcingPanGestureToEndImmediately : 1;
unsigned isPreviewingFocusFastScrolling : 1;
unsigned isIndicatingFocusFastScrollingDestination : 1;
unsigned isAttemptingToEndFocusFastScrolling : 1;
unsigned applicationHasExplicitlySetBounces : 1;
unsigned applyVerticalSafeAreaInsetsToNonscrollingContent : 1;
unsigned topScrollIndicatorFollowsContentOffset : 1;
unsigned autoScrollDisabled : 1;
unsigned contentScrollsAlongXAxis : 2;
unsigned contentScrollsAlongYAxis : 2;
} _scrollViewFlags;
bool _useContentDimensionVariablesForConstraintLowering;
id _scrollTestParameters;
long long _keyboardDismissMode;
NSISVariable* _contentWidthVariable;
NSISVariable* _contentHeightVariable;
NSArray* _automaticContentConstraints;
NSMutableDictionary* _accessoryViews;
NSArray* __allowedTouchTypesForScrolling;
CGPoint _zoomAnchorPoint;
UIEdgeInsets _adjustedContentInset;
UIEdgeInsets _accessoryInsets;
}
@property (readonly) unsignedlonglong hash;
@property (readonly) Class superclass;
@property (copy,readonly) NSString* description;
@property (copy,readonly) NSString* debugDescription;
@property (assign,setter=_setAdjustsTargetsOnContentOffsetChanges:,getter=_adjustsTargetsOnContentOffsetChanges,nonatomic) bool adjustsTargetsOnContentOffsetChanges;
@property (assign,setter=_setFirstResponderKeyboardAvoidanceEnabled:,getter=_isFirstResponderKeyboardAvoidanceEnabled,nonatomic) bool firstResponderKeyboardAvoidanceEnabled;
@property (assign,getter=isProgrammaticScrollEnabled,nonatomic) bool programmaticScrollEnabled;
@property (getter=_isScrollingToTop,nonatomic,readonly) bool scrollingToTop;
@property (assign,setter=_setContentScrollsAlongXAxis:,getter=_contentScrollsAlongXAxis,nonatomic) bool contentScrollsAlongXAxis;
@property (assign,setter=_setContentScrollsAlongYAxis:,getter=_contentScrollsAlongYAxis,nonatomic) bool contentScrollsAlongYAxis;
@property (setter=_setRefreshControl:,nonatomic,retain) UIRefreshControl* _refreshControl;
@property (getter=_contentInsetIncludingDecorations,nonatomic,readonly) UIEdgeInsets _contentInsetIncludingDecorations;
@property (getter=_isAnimatingScroll,nonatomic,readonly) bool isAnimatingScroll;
@property (nonatomic,readonly) _UIStaticScrollBar* _staticScrollBar;
@property (assign,setter=_setApplyVerticalSafeAreaInsetsToNonscrollingContent:,nonatomic) bool _applyVerticalSafeAreaInsetsToNonscrollingContent;
@property (nonatomic,readonly) _UIAutoScrollAssistant* _autoScrollAssistant;
@property (getter=_isVerticalBouncing,nonatomic,readonly) bool isVerticalBouncing;
@property (getter=_isHorizontalBouncing,nonatomic,readonly) bool isHorizontalBouncing;
@property (getter=_isAnimatingZoom,nonatomic,readonly) bool isAnimatingZoom;
@property (assign,setter=_setZoomAnchorPoint:,getter=_zoomAnchorPoint,nonatomic) CGPoint zoomAnchorPoint; //@synthesize zoomAnchorPoint=_zoomAnchorPoint - In the implementation block
@property (nonatomic,retain) id scrollTestParameters; //@synthesize scrollTestParameters=_scrollTestParameters - In the implementation block
@property (nonatomic,retain,readonly) NSISVariable* _contentWidthVariable; //@synthesize contentWidthVariable=_contentWidthVariable - In the implementation block
@property (nonatomic,retain,readonly) NSISVariable* _contentHeightVariable; //@synthesize contentHeightVariable=_contentHeightVariable - In the implementation block
@property (assign,setter=_setUseContentDimensionVariablesForConstraintLowering:,nonatomic) bool _useContentDimensionVariablesForConstraintLowering; //@synthesize useContentDimensionVariablesForConstraintLowering=_useContentDimensionVariablesForConstraintLowering - In the implementation block
@property (nonatomic,retain) NSMutableDictionary* accessoryViews; //@synthesize accessoryViews=_accessoryViews - In the implementation block
@property (getter=_minimumContentOffset,nonatomic,readonly) CGPoint minimumContentOffset;
@property (getter=_maximumContentOffset,nonatomic,readonly) CGPoint maximumContentOffset;
@property (assign,setter=_setVelocityScaleFactor:,getter=_velocityScaleFactor,nonatomic) double velocityScaleFactor;
@property (assign,setter=_setTopScrollIndicatorFollowsContentOffset:,getter=_topScrollIndicatorFollowsContentOffset,nonatomic) bool topScrollIndicatorFollowsContentOffset;
@property (assign,setter=_setForwardsTouchesUpResponderChain:,getter=_forwardsTouchesUpResponderChain,nonatomic) bool forwardsTouchesUpResponderChain;
@property (assign,setter=_setWantsConstrainedContentSize:,nonatomic) bool _wantsConstrainedContentSize;
@property (setter=_setAutomaticContentConstraints:,nonatomic,copy) NSArray* _automaticContentConstraints; //@synthesize automaticContentConstraints=_automaticContentConstraints - In the implementation block
@property (setter=_setAllowedTouchTypesForScrolling:,nonatomic,copy) NSArray* _allowedTouchTypesForScrolling; //@synthesize _allowedTouchTypesForScrolling=__allowedTouchTypesForScrolling - In the implementation block
@property (nonatomic,readonly) UIEdgeInsets accessoryInsets; //@synthesize accessoryInsets=_accessoryInsets - In the implementation block
@property (getter=_horizontalScrollIndicator,nonatomic,readonly) UIView* horizontalScrollIndicator;
@property (getter=_verticalScrollIndicator,nonatomic,readonly) UIView* verticalScrollIndicator;
@property (getter=_isFocusFastScrolling,nonatomic,readonly) bool focusFastScrolling;
@property (getter=_isAttemptingToEndFocusFastScrolling,nonatomic,readonly) bool attemptingToEndFocusFastScrolling;
@property (assign,setter=_setShowingFocusFastScrollingPreview:,getter=_isShowingFocusFastScrollingPreview,nonatomic) bool showingFocusFastScrollingPreview;
@property (assign,nonatomic) CGPoint contentOffset;
@property (assign,nonatomic) CGSize contentSize; //@synthesize contentSize=_contentSize - In the implementation block
@property (assign,nonatomic) UIEdgeInsets contentInset; //@synthesize contentInset=_contentInset - In the implementation block
@property (nonatomic,readonly) UIEdgeInsets adjustedContentInset; //@synthesize adjustedContentInset=_adjustedContentInset - In the implementation block
@property (assign,nonatomic) longlong contentInsetAdjustmentBehavior;
@property (nonatomic,readonly) UILayoutGuide* contentLayoutGuide;
@property (nonatomic,readonly) UILayoutGuide* frameLayoutGuide;
@property (assign,nonatomic,__weak) <UIScrollViewDelegate>* delegate; //@synthesize delegate=_delegate - In the implementation block
@property (assign,getter=isDirectionalLockEnabled,nonatomic) bool directionalLockEnabled;
@property (assign,nonatomic) bool bounces;
@property (assign,nonatomic) bool alwaysBounceVertical;
@property (assign,nonatomic) bool alwaysBounceHorizontal;
@property (assign,getter=isPagingEnabled,nonatomic) bool pagingEnabled;
@property (assign,getter=isScrollEnabled,nonatomic) bool scrollEnabled;
@property (assign,nonatomic) bool showsHorizontalScrollIndicator;
@property (assign,nonatomic) bool showsVerticalScrollIndicator;
@property (assign,nonatomic) UIEdgeInsets scrollIndicatorInsets;
@property (assign,nonatomic) longlong indicatorStyle;
@property (assign,nonatomic) double decelerationRate;
@property (assign,nonatomic) longlong indexDisplayMode;
@property (getter=isTracking,nonatomic,readonly) bool tracking;
@property (getter=isDragging,nonatomic,readonly) bool dragging;
@property (getter=isDecelerating,nonatomic,readonly) bool decelerating;
@property (assign,nonatomic,@dynamic) bool delaysContentTouches;
@property (assign,nonatomic) bool canCancelContentTouches;
@property (assign,nonatomic) double minimumZoomScale;
@property (assign,nonatomic) double maximumZoomScale; //@synthesize maximumZoomScale=_maximumZoomScale - In the implementation block
@property (assign,nonatomic) double zoomScale;
@property (assign,nonatomic) bool bouncesZoom;
@property (getter=isZooming,nonatomic,readonly) bool zooming;
@property (getter=isZoomBouncing,nonatomic,readonly) bool zoomBouncing;
@property (assign,nonatomic) bool scrollsToTop;
@property (nonatomic,readonly) UIPanGestureRecognizer* panGestureRecognizer; //@synthesize pan=_pan - In the implementation block
@property (nonatomic,readonly) UIPinchGestureRecognizer* pinchGestureRecognizer; //@synthesize pinch=_pinch - In the implementation block
@property (nonatomic,readonly) UIGestureRecognizer* directionalPressGestureRecognizer; //@synthesize directionalPressGestureRecognizer=_directionalPressGestureRecognizer - In the implementation block
@property (assign,nonatomic) longlong keyboardDismissMode; //@synthesize keyboardDismissMode=_keyboardDismissMode - In the implementation block
@property (nonatomic,retain) UIRefreshControl* refreshControl;
@property (getter=_touchDelayForScrollDetection,nonatomic,@dynamic,readonly) double touchDelayForScrollDetection;
@property (getter=_scrollHysteresis,nonatomic,@dynamic,readonly) double scrollHysteresis;
@property (getter=_canScrollX,nonatomic,@dynamic,readonly) bool canScrollX;
@property (getter=_canScrollY,nonatomic,@dynamic,readonly) bool canScrollY;
+(void)initialize;
+(unsigned long long)_defaultEdgesScrollingContentIntoSafeArea;
+(SEL)_pinchGestureAction;
+(SEL)_panGestureAction;
+(double)_maximumFocusFastScrollingIndexBarWidth;
+(id)_implicitAnimationCulprits;
-(id)debugHierarchyPropertyDescriptions;
-(id)initWithFrame:(CGRect)arg1 ;
-(void)removeFromSuperview;
-(void)setFrame:(CGRect)arg1 ;
-(void)setUserInteractionEnabled:(bool)arg1 ;
-(CGSize)contentSize;
-(void)setNeedsLayout;
-(void)layoutSubviews;
-(void)setContentSize:(CGSize)arg1 ;
-(void).cxx_destruct;
-(CGPoint)contentOffset;
-(id)delegate;
-(void)_scrollViewWillBeginDragging;
-(void)_scrollViewDidEndDraggingForDelegateWithDeceleration:(bool)arg1 ;
-(bool)isPagingEnabled;
-(void)_scrollViewDidEndDeceleratingForDelegate;
-(bool)_canScrollWithoutBouncingX;
-(bool)_canScrollWithoutBouncingY;
-(void)_focusedItem:(id)arg1 isMinX:(bool*)arg2 isMaxX:(bool*)arg3 isMinY:(bool*)arg4 isMaxY:(bool*)arg5 ;
-(CGPoint)_minimumContentOffset;
-(CGPoint)_maximumContentOffset;
-(CGPoint)_adjustFocusContentOffset:(CGPoint)arg1 toShowFocusItemWithInfo:(id)arg2 ;
-(bool)isScrollEnabled;
-(bool)_isFocusFastScrolling;
-(bool)_isAttemptingToEndFocusFastScrolling;
-(bool)bounces;
-(bool)_applicationHasExplicitlySetBounces;
-(id)initWithCoder:(id)arg1 ;
-(void)_populateArchivedSubviews:(id)arg1 ;
-(void)encodeWithCoder:(id)arg1 ;
-(void)setDelegate:(id)arg1 ;
-(void)dealloc;
-(id)hitTest:(CGPoint)arg1 withEvent:(id)arg2 ;
-(void)setShowsVerticalScrollIndicator:(bool)arg1 ;
-(void)setBounds:(CGRect)arg1 ;
-(bool)isDragging;
-(bool)isDecelerating;
-(id)description;
-(void)traitCollectionDidChange:(id)arg1 ;
-(bool)gestureRecognizer:(id)arg1 shouldReceiveTouch:(id)arg2 ;
-(void)setShowsHorizontalScrollIndicator:(bool)arg1 ;
-(id)panGestureRecognizer;
-(void)setContentOffset:(CGPoint)arg1 animated:(bool)arg2 ;
-(void)scrollRectToVisible:(CGRect)arg1 animated:(bool)arg2 ;
-(void)setScrollEnabled:(bool)arg1 ;
-(void)touchesBegan:(id)arg1 withEvent:(id)arg2 ;
-(void)touchesMoved:(id)arg1 withEvent:(id)arg2 ;
-(void)touchesEnded:(id)arg1 withEvent:(id)arg2 ;
-(void)touchesCancelled:(id)arg1 withEvent:(id)arg2 ;
-(void)encodeRestorableStateWithCoder:(id)arg1 ;
-(void)decodeRestorableStateWithCoder:(id)arg1 ;
-(bool)isProgrammaticScrollEnabled;
-(void)setProgrammaticScrollEnabled:(bool)arg1 ;
-(void)_didMoveFromWindow:(id)arg1 toWindow:(id)arg2 ;
-(void)_didChangeFromIdiom:(long long)arg1 onScreen:(id)arg2 traverseHierarchy:(bool)arg3 ;
-(void)_gestureRecognizerFailed:(id)arg1 ;
-(id)_panGestureRecognizer;
-(void)_scrollToTopFromTouchAtScreenLocation:(CGPoint)arg1 resultHandler:(/*^block*/ id)arg2 ;
-(bool)isTracking;
-(bool)cancelTouchTracking;
-(bool)cancelMouseTracking;
-(void)_attemptToBeginFocusFastScrollingWithRequest:(id)arg1 ;
-(void)_didUpdateFocusInContext:(id)arg1 withAnimationCoordinator:(id)arg2 ;
-(id)_overridingPreferredFocusEnvironment;
-(id)_uili_existingLayoutVariables;
-(void)nsis_valueOfVariable:(id)arg1 didChangeInEngine:(id)arg2 ;
-(void)_setMaskView:(id)arg1 ;
-(void)_updateLayoutMarginsGuideConstraintsIfNecessary;
-(unsigned long long)_edgesPropagatingSafeAreaInsetsToDescendants;
-(void)setSafeAreaInsets:(UIEdgeInsets)arg1 ;
-(id)_frameLayoutItem;
-(CGRect)_layoutGuide:(id)arg1 adjustedLayoutFrameForFrame:(CGRect)arg2 ;
-(id)_contentWidthVariable;
-(id)_contentHeightVariable;
-(id)nsli_contentWidthVariable;
-(id)nsli_contentHeightVariable;
-(void)_resizeWithOldSuperviewSize:(CGSize)arg1 ;
-(bool)_supportsContentDimensionVariables;
-(id)_contentLayoutGuideIfExists;
-(void)_willMoveToWindow:(id)arg1 ;
-(void)_switchToLayoutEngine:(id)arg1 ;
-(bool)_forwardsToParentScroller;
-(void)_setSubviewWantsAutolayoutTripWantsAutolayout:(bool)arg1 ;
-(void)_addScrollViewScrollObserver:(id)arg1 ;
-(void)_removeScrollViewScrollObserver:(id)arg1 ;
-(void)_webCustomViewWillBeRemovedFromSuperview;
-(bool)_canSkipTraitsAndOverlayUpdatesForViewControllerToNotifyOnLayoutResetState:(bool)arg1 ;
-(bool)_isScrollingEnabled;
-(void)_skipNextStartOffsetAdjustment;
-(void)setContentOffset:(CGPoint)arg1 ;
-(void)_clearContentOffsetAnimation:(id)arg1 ;
-(void)_createGestureRecognizersForCurrentTouchLevel;
-(void)_setRefreshControl:(id)arg1 ;
-(void)_adjustScrollerIndicators:(bool)arg1 alwaysShowingThem:(bool)arg2 ;
-(void)setDirectionalLockEnabled:(bool)arg1 ;
-(void)_updateContentFitDisableScrolling;
-(void)_centerContentIfNecessaryAdjustingContentOffset:(bool)arg1 ;
-(id)_getDelegateZoomView;
-(UIEdgeInsets)_contentInsetIncludingDecorations;
-(bool)isZooming;
-(CGSize)_nsis_contentSize;
-(void)_applyConstrainedContentSizeIfNecessary;
-(void)_centerContentIfNecessary;
-(void)_updateGradientMaskView;
-(bool)isDirectionalLockEnabled;
-(void)_stopScrollingAndZoomingAnimationsPinningToContentViewport:(bool)arg1 ;
-(void)setScrollTestParameters:(id)arg1 ;
-(void)setAccessoryView:(id)arg1 atEdge:(long long)arg2 ;
-(void)_hideScrollIndicators;
-(void)_updateUsesStaticScrollBar;
-(void)_enableOnlyGestureRecognizersForCurrentTouchLevel;
-(void)_updateAccessories;
-(void)_updateAccessoriesInset;
-(UIEdgeInsets)_effectiveContentInset;
-(void)_setUsesStaticScrollBar:(bool)arg1 ;
-(void)handlePan:(id)arg1 ;
-(void)handlePinch:(id)arg1 ;
-(void)_updatePanGestureConfiguration;
-(void)_handleSwipe:(id)arg1 ;
-(void)_updateScrollGestureRecognizersEnabled;
-(bool)_startBeingDraggedByChild:(id)arg1 ;
-(bool)_stopBeingDraggedByChild:(id)arg1 ;
-(bool)_transfersScrollToContainer;
-(bool)_canScrollX;
-(double)_adjustedHorizontalOffsetPinnedToScrollableBounds:(double)arg1 ;
-(bool)_canScrollY;
-(double)_adjustedVerticalOffsetPinnedToScrollableBounds:(double)arg1 ;
-(void)_startDraggingParent:(id)arg1 ;
-(void)_stopDraggingParent:(id)arg1 ;
-(UIEdgeInsets)_systemContentInset;
-(double)zoomScale;
-(void)_updateForChangedEdgesConvertingSafeAreaToContentInset;
-(void)_adjustContentOffsetIfNecessary;
-(void)_attemptToDragParent:(id)arg1 forNewBounds:(CGRect)arg2 oldBounds:(CGRect)arg3 ;
-(void)_old_updateAutomaticContentSizeConstraintsIfNecessaryWithContentSize:(CGSize)arg1 ;
-(bool)_shouldScrollToContentBeginningInRightToLeft;
-(unsigned long long)_edgesApplyingSafeAreaInsetsToContentInset;
-(void)_updateForChangedScrollRelatedInsets;
-(void)_updateForChangedScrollIndicatorRelatedInsets;
-(void)setContentInsetAdjustmentBehavior:(long long)arg1 ;
-(long long)contentInsetAdjustmentBehavior;
-(CGPoint)_roundedProposedContentOffset:(CGPoint)arg1 ;
-(void)_notifyDidScroll;
-(void)_layoutFocusFastScrollingUI;
-(void)_adjustBackgroundShadowsForContentSizeForcedVisible:(bool)arg1 ;
-(void)_updateIndicatedFocusFastScrollingDestination;
-(void)_adjustCrossingConstraintsIfNecessaryForOldContentInset:(UIEdgeInsets)arg1 ;
-(void)adjustedContentInsetDidChange;
-(void)_notifyAdjustedContentInsetDidChange;
-(id)accessoryViewAtEdge:(long long)arg1 ;
-(void)_addContentSubview:(id)arg1 atBack:(bool)arg2 ;
-(unsigned long long)_edgesApplyingSafeAreaInsetsToScrollAccessoryInsets;
-(UIEdgeInsets)_contentInsetForAccessories;
-(UIEdgeInsets)accessoryInsets;
-(void)accessoryInsetsDidChange:(UIEdgeInsets)arg1 ;
-(void)_stopScrollingNotify:(bool)arg1 pin:(bool)arg2 ;
-(bool)_attemptToEndFocusFastScrolling:(bool)arg1 ;
-(void)_registerAsScrollToTopViewIfPossible;
-(id)_enclosingViewController;
-(void)_setContentOffset:(CGPoint)arg1 animated:(bool)arg2 animationCurve:(int)arg3 ;
-(CGPoint)_contentOffsetForScrollingToRect:(CGRect)arg1 ;
-(bool)_usesLowFidelityPanning;
-(id)_scrollViewTouchDelayGesture;
-(void)_updateZoomGestureRecognizersEnabled;
-(void)_updatePagingGesture;
-(unsigned long long)_abuttedEdgesForContentOffset:(CGPoint)arg1 ;
-(unsigned long long)_currentlyAbuttedContentEdges;
-(void)_reloadFocusFastScrollingIndexEntries;
-(void)_adjustScrollerIndicatorsIfNeeded;
-(void)delayed:(id)arg1 ;
-(void)_updatePinchGesture;
-(void)_handleLowFidelitySwipe:(id)arg1 ;
-(void)_handleAutoScroll:(id)arg1 ;
-(double)minimumZoomScale;
-(void)willRotateToInterfaceOrientation:(id)arg1 ;
-(void)willAnimateRotationToInterfaceOrientation:(id)arg1 ;
-(void)_registerForRotation:(bool)arg1 ofWindow:(id)arg2 ;
-(void)_flashScrollIndicatorsPersistingPreviousFlashes:(bool)arg1 ;
-(void)_setShowsBackgroundShadow:(bool)arg1 ;
-(bool)alwaysBounceHorizontal;
-(bool)alwaysBounceVertical;
-(double)_rubberBandOffsetForOffset:(double)arg1 maxOffset:(double)arg2 minOffset:(double)arg3 range:(double)arg4 outside:(bool*)arg5 ;
-(void)_adjustStartOffsetForGrabbedBouncingScrollView;
-(CGPoint)_rubberBandContentOffsetForOffset:(CGPoint)arg1 outsideX:(bool*)arg2 outsideY:(bool*)arg3 ;
-(long long)keyboardDismissMode;
-(void)_enumerateAllScrollObserversWithBlock:(/*^block*/ id)arg1 ;
-(id)_observerImplementingWillEndDraggingMethod;
-(UIEdgeInsets)_revealableContentPaddingIncludingContentWithCollapsedAffinity:(bool)arg1 ;
-(UIEdgeInsets)_collapsableContentPadding;
-(bool)_hasScrollViewWillEndDraggingInvocationsToPerform;
-(UIEdgeInsets)_revealableContentPadding;
-(double)_maxTopOffsetAdjustedForRevealableContentPadding:(double)arg1 ;
-(void)_performScrollViewWillEndDraggingInvocationsWithVelocity:(CGPoint)arg1 targetContentOffset:(CGPoint*)arg2 unclampedOriginalTarget:(CGPoint)arg3 ;
-(CGSize)_interpageSpacing;
-(CGPoint)_pagingOrigin;
-(bool)_isBouncing;
-(bool)_scrollViewWillEndDraggingWithDeceleration:(bool)arg1 ;
-(void)_startTimer:(bool)arg1 ;
-(void)_popTrackingRunLoopMode;
-(void)_smoothScrollWithUpdateTime:(double)arg1 ;
-(bool)_staysCenteredDuringPinch;
-(double)_zoomScaleFromPresentationLayer:(bool)arg1 ;
-(void)_scrollViewDidEndZooming;
-(void)_setZoomAnchorPoint:(CGPoint)arg1 ;
-(void)_scrollViewWillBeginZooming;
-(void)_activateZoomFeedback;
-(void)setZoomScale:(double)arg1 withAnchorPoint:(CGPoint)arg2 validatingScrollOffset:(bool)arg3 allowRubberbanding:(bool)arg4 animated:(bool)arg5 duration:(double)arg6 notifyDelegate:(bool)arg7 ;
-(void)_updatePinchGestureForState:(long long)arg1 ;
-(void)setZoomScale:(double)arg1 withAnchorPoint:(CGPoint)arg2 validatingScrollOffset:(bool)arg3 allowRubberbanding:(bool)arg4 animated:(bool)arg5 duration:(double)arg6 notifyDelegate:(bool)arg7 force:(bool)arg8 ;
-(bool)_beginTrackingWithEvent:(id)arg1 ;
-(void)_prepareToPageWithHorizontalVelocity:(double)arg1 verticalVelocity:(double)arg2 ;
-(void)_endPanNormal:(bool)arg1 ;
-(void)_resetScrollingWithUIEvent:(id)arg1 ;
-(void)_activateScrollFeedback;
-(void)_updatePanGesture;
-(bool)_isAutoScrollEnabled;
-(bool)_shouldAutoScroll;
-(id)_autoScrollAssistant;
-(void)_stopAutoScrollAssistant;
-(void)_handleDirectionalScrollToOffset:(CGPoint)arg1 clampingToBounds:(bool)arg2 ;
-(void)_handleDirectionalPageWithHorizontalVelocity:(double)arg1 verticalVelocity:(double)arg2 ;
-(CGPoint)_offsetToScrollToForArrowPressType:(long long)arg1 ;
-(CGPoint)_velocityForAnimatedScrollFromOffset:(CGPoint)arg1 toOffset:(CGPoint)arg2 ;
-(void)_setContentOffset:(CGPoint)arg1 animated:(bool)arg2 animationCurve:(int)arg3 animationAdjustsForContentOffsetDelta:(bool)arg4 ;
-(bool)_scrollToTopIfPossible:(bool)arg1 ;
-(UIEdgeInsets)adjustedContentInset;
-(UIEdgeInsets)adjustedContentInset;
-(id)_layoutGuideOfType:(long long)arg1 createIfNecessary:(bool)arg2 ;
-(id)frameLayoutGuide;
-(id)_contentMarginsGuide;
-(id)contentLayoutGuide;
-(void)_setContentMarginsGuide:(id)arg1 ;
-(id)_layoutVariablesWithAmbiguousValue;
-(void)_setWantsConstrainedContentSize:(bool)arg1 ;
-(bool)_evaluateWantsConstrainedContentSize;
-(id)_frameLayoutGuideIfExists;
-(void)_setVerticalFeedbackGenerator:(id)arg1 ;
-(id)_verticalFeedbackGenerator;
-(void)_setHorizontalFeedbackGenerator:(id)arg1 ;
-(id)_horizontalFeedbackGenerator;
-(void)_setZoomFeedbackGenerator:(id)arg1 ;
-(id)_zoomFeedbackGenerator;
-(void)setMinimumZoomScale:(double)arg1 ;
-(void)setMaximumZoomScale:(double)arg1 ;
-(double)_zoomRubberBandScaleForScale:(double)arg1 ;
-(void)_zoomToCenter:(CGPoint)arg1 scale:(double)arg2 duration:(double)arg3 force:(bool)arg4 ;
-(void)setZoomScale:(double)arg1 animated:(bool)arg2 ;
-(float)_zoomAnimationDurationForScale:(double)arg1 ;
-(void)_zoomAnimationDidStop;
-(void)_adjustContentSizeForView:(id)arg1 atScale:(double)arg2 ;
-(CGPoint)_zoomAnchorPoint;
-(void)_markScrollViewAnimationForKey:(id)arg1 ofView:(id)arg2 ;
-(double)_zoomScaleForRubberBandScale:(double)arg1 ;
-(double)_contentOffsetAnimationDuration;
-(void)_setContentOffsetAnimationDuration:(double)arg1 ;
-(bool)_getPagingDecelerationOffset:(CGPoint*)arg1 forTimeInterval:(double)arg2 ;
-(bool)_getBouncingDecelerationOffset:(double*)arg1 forTimeInterval:(double)arg2 lastUpdateOffset:(double)arg3 min:(double)arg4 max:(double)arg5 decelerationFactor:(double)arg6 decelerationLnFactor:(double)arg7 velocity:(double*)arg8 ;
-(void)_getStandardDecelerationOffset:(double*)arg1 forTimeInterval:(double)arg2 min:(double)arg3 max:(double)arg4 decelerationFactor:(double)arg5 decelerationLnFactor:(double)arg6 velocity:(double*)arg7 ;
-(void)_updateRubberbandingStatisticTrackingState;
-(void)_springBoardBlankedScreenNotification:(id)arg1 ;
-(void)_smoothScrollDisplayLink:(id)arg1 ;
-(void)_registerForSpringBoardBlankedScreenNotification;
-(void)_runLoopModePopped:(id)arg1 ;
-(long long)_effectiveIndicatorStyle;
-(UIEdgeInsets)_effectiveScrollIndicatorInsets;
-(void)_quicklyHideScrollIndicator:(id)arg1 animated:(bool)arg2 ;
-(bool)_isAnimatingScroll;
-(CGPoint)_animatedTargetOffset;
-(CGPoint)_contentOffsetForLowFidelityScrollInDirection:(CGPoint)arg1 duration:(double*)arg2 ;
-(void)_lowFidelityScrollInDirection:(CGPoint)arg1 ;
-(void)_showFocusFastScrollingIndexBar:(id)arg1 ;
-(void)_removeFocusFastScrollingUI;
-(long long)indexDisplayMode;
-(void)_showFocusFastScrollingUI;
-(id)_focusFastScrollingDestinationItem;
-(id)_focusFastScrollingDestinationItemForIndexEntry:(id)arg1 ;
-(id)_focusFastScrollingDestinationItemAtContentStart;
-(id)_focusFastScrollingDestinationItemNearItem:(id)arg1 isEnd:(bool)arg2 ;
-(id)_focusFastScrollingDestinationItemAtContentEnd;
-(id)_focusFastScrollingDestinationItemAtRelativePosition:(double)arg1 isEnding:(bool)arg2 ;
-(double)_heightForFocusFastScrollingUI:(double)arg1 ;
-(long long)_focusFastScrollingIndexMaximumSlotCount;
-(id)_focusFastScrollingIndexBarEntries;
-(id)_focusFastScrollingIndexEntriesForDisplay;
-(UIEdgeInsets)_focusFastScrollingIndexBarInsets;
-(UIEdgeInsets)_gradientMaskLengths;
-(UIEdgeInsets)_gradientMaskEdgeInsets;
-(void)setAlwaysBounceVertical:(bool)arg1 ;
-(id)_refreshControl;
-(void)_endRefreshingAnimated:(bool)arg1 ;
-(bool)touchesShouldBegin:(id)arg1 withEvent:(id)arg2 inContentView:(id)arg3 ;
-(bool)delaysContentTouches;
-(double)_touchDelayForScrollDetection;
-(double)_scrollHysteresis;
-(CGPoint)indexBarAccessoryView:(id)arg1 contentOffsetForEntry:(id)arg2 atIndex:(long long)arg3 ;
-(id)_layoutObserver;
-(void)_setLayoutObserver:(id)arg1 ;
-(id)_staticScrollBar;
-(void)_setVelocityScaleFactor:(double)arg1 ;
-(double)_velocityScaleFactor;
-(bool)_topScrollIndicatorFollowsContentOffset;
-(void)_setTopScrollIndicatorFollowsContentOffset:(bool)arg1 ;
-(id)_swipeGestureRecognizer;
-(id)_touchesDelayedGestureRecognizer;
-(void)_setPanGestureRecognizer:(id)arg1 ;
-(void)_setPinchGestureRecognizer:(id)arg1 ;
-(void)_setEdgesScrollingContentIntoSafeArea:(unsigned long long)arg1 ;
-(unsigned long long)_edgesScrollingContentIntoSafeArea;
-(long long)_compatibleContentInsetAdjustmentBehavior;
-(void)_setContentInsetAdjustmentBehavior:(long long)arg1 ;
-(long long)_contentInsetAdjustmentBehavior;
-(void)_setAllowedNavigationOverlapAmount:(double)arg1 ;
-(double)_allowedNavigationOverlapAmount;
-(void)setContentInset:(UIEdgeInsets)arg1 ;
-(bool)_isRectFullyVisible:(CGRect)arg1 ;
-(bool)_adjustsTargetsOnContentOffsetChanges;
-(void)_setAdjustsTargetsOnContentOffsetChanges:(bool)arg1 ;
-(id)_horizontalScrollIndicator;
-(id)_verticalScrollIndicator;
-(void)setScrollingEnabled:(bool)arg1 ;
-(void)setZoomEnabled:(bool)arg1 ;
-(bool)isZoomEnabled;
-(void)_setFirstResponderKeyboardAvoidanceEnabled:(bool)arg1 ;
-(bool)_isFirstResponderKeyboardAvoidanceEnabled;
-(bool)_isScrollingToTop;
-(void)setPagingEnabled:(bool)arg1 ;
-(void)_setInterpageSpacing:(CGSize)arg1 ;
-(void)_setPagingOrigin:(CGPoint)arg1 ;
-(UIOffset)_firstPageOffset;
-(void)_setFirstPageOffset:(UIOffset)arg1 ;
-(unsigned long long)_abuttedPagingEdges;
-(void)setBounces:(bool)arg1 ;
-(void)setBouncesHorizontally:(bool)arg1 ;
-(bool)bouncesHorizontally;
-(void)setBouncesVertically:(bool)arg1 ;
-(bool)bouncesVertically;
-(void)setUpdateInsetBottomDuringKeyboardDismiss:(bool)arg1 ;
-(bool)updateInsetBottomDuringKeyboardDismiss;
-(double)keyboardBottomInsetAdjustmentDelta;
-(void)setAlwaysBounceHorizontal:(bool)arg1 ;
-(void)_setTransfersScrollToContainer:(bool)arg1 ;
-(bool)_isVerticalBouncing;
-(bool)_isHorizontalBouncing;
-(bool)showsHorizontalScrollIndicator;
-(bool)showsVerticalScrollIndicator;
-(void)setIndexDisplayMode:(long long)arg1 ;
-(void)setScrollIndicatorInsets:(UIEdgeInsets)arg1 ;
-(UIEdgeInsets)scrollIndicatorInsets;
-(void)setIndicatorStyle:(long long)arg1 ;
-(double)decelerationRate;
-(void)setDecelerationRate:(double)arg1 ;
-(long long)indicatorStyle;
-(double)horizontalScrollDecelerationFactor;
-(void)setHorizontalScrollDecelerationFactor:(double)arg1 ;
-(double)verticalScrollDecelerationFactor;
-(void)setVerticalScrollDecelerationFactor:(double)arg1 ;
-(void)setAllowsMultipleFingers:(bool)arg1 ;
-(bool)allowsMultipleFingers;
-(void)setTracksImmediatelyWhileDecelerating:(bool)arg1 ;
-(bool)tracksImmediatelyWhileDecelerating;
-(bool)_contentOffsetRoundingEnabled;
-(void)_setContentOffsetRoundingEnabled:(bool)arg1 ;
-(unsigned long long)_allowedFocusBounceEdges;
-(void)_setAllowedFocusBounceEdges:(unsigned long long)arg1 ;
-(bool)preservesCenterDuringRotation;
-(void)setPreservesCenterDuringRotation:(bool)arg1 ;
-(void)flashScrollIndicators;
-(bool)_showsBackgroundShadow;
-(void)setShowBackgroundShadow:(bool)arg1 ;
-(CGPoint)_touchPositionForTouches:(id)arg1 ;
-(void)_setStaysCenteredDuringPinch:(bool)arg1 ;
-(bool)gestureRecognizer:(id)arg1 canPreventGestureRecognizer:(id)arg2 ;
-(bool)_gestureRecognizer:(id)arg1 shouldRecognizeSimultaneouslyWithGestureRecognizer:(id)arg2 ;
-(bool)_gestureRecognizer:(id)arg1 shouldReceiveTouch:(id)arg2 ;
-(void)_setAutoScrollEnabled:(bool)arg1 ;
-(UIEdgeInsets)_autoScrollTouchInsets;
-(void)_setAutoScrollTouchInsets:(UIEdgeInsets)arg1 ;
-(void)_handleDirectionalPress:(id)arg1 ;
-(void)_setAllowedTouchTypesForScrolling:(id)arg1 ;
-(bool)_forwardsTouchesUpResponderChain;
-(void)_setForwardsTouchesUpResponderChain:(bool)arg1 ;
-(void)_forcePanGestureToEndImmediately;
-(bool)_isInterruptingDeceleration;
-(bool)bouncesZoom;
-(void)setBouncesZoom:(bool)arg1 ;
-(bool)canCancelContentTouches;
-(void)setCanCancelContentTouches:(bool)arg1 ;
-(void)setDelaysContentTouches:(bool)arg1 ;
-(bool)touchesShouldCancelInContentView:(id)arg1 ;
-(bool)scrollsToTop;
-(void)setScrollsToTop:(bool)arg1 ;
-(double)_pagingFriction;
-(void)_setPagingFriction:(double)arg1 ;
-(double)_defaultPagingFriction;
-(void)_setRelativePanView:(id)arg1 ;
-(id)_relativePanView;
-(bool)_wantsConstrainedContentSize;
-(void)_setAutomaticContentConstraints:(id)arg1 ;
-(id)nsli_layoutMarginsItem;
-(UIOffset)_offsetForCenterOfPossibleZoomView:(id)arg1 withIncomingBoundsSize:(CGSize)arg2 ;
-(void)_setVerticalFeedbackBehavior:(id)arg1 ;
-(id)_verticalFeedbackBehavior;
-(void)_setHorizontalFeedbackBehavior:(id)arg1 ;
-(id)_horizontalFeedbackBehavior;
-(void)_setZoomFeedbackBehavior:(id)arg1 ;
-(id)_zoomFeedbackBehavior;
-(double)maximumZoomScale;
-(void)_zoomToCenter:(CGPoint)arg1 scale:(double)arg2 duration:(double)arg3 ;
-(bool)_ownsAnimationForKey:(id)arg1 ofView:(id)arg2 ;
-(void)setZoomScale:(double)arg1 ;
-(void)zoomToRect:(CGRect)arg1 animated:(bool)arg2 ;
-(bool)isZoomBouncing;
-(bool)_isAnimatingZoom;
-(CGPoint)_pageDecelerationTarget;
-(void)_smoothScrollTimer:(id)arg1 ;
-(void)_unregisterForSpringBoardBlankedScreenNotification;
-(void)_staticScrollBar:(id)arg1 didScrollInDirection:(CGPoint)arg2 ;
-(bool)_bounceForCarPlayIfNecessary;
-(bool)_isShowingFocusFastScrollingPreview;
-(void)_setShowingFocusFastScrollingPreview:(bool)arg1 ;
-(void)_beginIndicatingFocusFastScrollingDestination;
-(void)_endIndicatingFocusFastScrollingDestination;
-(id)_indexBarEntries;
-(void)_clearScrollBounceStatisticsTrackingState;
-(void)_commitScrollBounceStatisticsTrackingState;
-(void)setRefreshControl:(id)arg1 ;
-(id)refreshControl;
-(void)_beginRefreshing;
-(UIEdgeInsets)contentInset;
-(id)pinchGestureRecognizer;
-(id)scrollTestParameters;
-(void)setKeyboardDismissMode:(long long)arg1 ;
-(id)directionalPressGestureRecognizer;
-(bool)_useContentDimensionVariablesForConstraintLowering;
-(void)_setUseContentDimensionVariablesForConstraintLowering:(bool)arg1 ;
-(id)_automaticContentConstraints;
-(id)accessoryViews;
-(void)setAccessoryViews:(id)arg1 ;
-(id)_allowedTouchTypesForScrolling;
-(UIEdgeInsets)_contentScrollInset;
-(double)_horizontalVelocity;
-(double)_verticalVelocity;
-(void)_setGradientMaskLengths:(UIEdgeInsets)arg1 ;
-(void)_getGradientMaskBounds:(out CGRect*)arg1 startInsets:(out UIEdgeInsets*)arg2 endInsets:(out UIEdgeInsets*)arg3 intensities:(out UIEdgeInsets*)arg4 ;
-(double)_rubberBandOffsetWithoutDecorationForOffset:(double)arg1 maxOffset:(double)arg2 minOffset:(double)arg3 range:(double)arg4 outside:(bool*)arg5 ;
-(double)_offsetWithoutDecorationForRubberBandOffset:(double)arg1 maxOffset:(double)arg2 minOffset:(double)arg3 range:(double)arg4 ;
-(double)_offsetForRubberBandOffset:(double)arg1 maxOffset:(double)arg2 minOffset:(double)arg3 range:(double)arg4 ;
-(double)_shadowHeightOffset;
-(void)_adjustBackgroundShadowsForContentSizeForcedVisible:(bool)arg1 withOffset:(double)arg2 ;
-(void)_stopScrollDecelerationNotify:(bool)arg1 ;
-(void)_stopScrollingNotify:(bool)arg1 pin:(bool)arg2 tramplingDragFlags:(bool)arg3 ;
-(void)_clearContentOffsetAnimation;
-(void)_stopScrollingAndZoomingAnimationsPinningToContentViewport:(bool)arg1 tramplingDragFlags:(bool)arg2 ;
-(CGPoint)_originalOffsetForAnimatedSetContentOffset;
-(void)_scrollViewAnimationEnded:(id)arg1 finished:(bool)arg2 ;
-(void)_delegateScrollViewAnimationEnded;
-(bool)_contentScrollsAlongXAxis;
-(bool)_contentScrollsAlongYAxis;
-(bool)_applyVerticalSafeAreaInsetsToNonscrollingContent;
-(bool)_isAutomaticContentOffsetAdjustmentEnabled;
-(bool)_shouldContentOffsetMaintainRelativeDistanceFromSafeArea;
-(void)_applyAutomaticAdjustedContentOffset:(CGPoint)arg1 ;
-(void)_setAutomaticContentOffsetAdjustmentEnabled:(bool)arg1 ;
-(double)_contentFitCanScrollThreshold;
-(bool)__canScrollWithoutBouncingYIncludingAdditionalContentInsetAmount:(double)arg1 ;
-(void)_scrollViewDidEndDraggingWithDeceleration:(bool)arg1 ;
-(void)_scrollViewDidEndDecelerating;
-(bool)isAutomaticContentOffsetAdjustmentsAnimated;
-(CGPoint)_adjustedContentOffsetForContentOffset:(CGPoint)arg1 ;
-(void)_adjustShadowsIfNecessary;
-(UIEdgeInsets)_gradientMaskInsets;
-(void)_setGradientMaskInsets:(UIEdgeInsets)arg1 ;
-(void)_setGradientMaskEdgeInsets:(UIEdgeInsets)arg1 ;
-(bool)_shouldTrackImmediatelyWhileDecelerating;
-(void)_clearParentAdjustment;
-(void)_stopScrollingAndZoomingAnimations;
-(bool)_resetScrollingForGestureEvent:(id)arg1 ;
-(bool)_isScrollViewScrollObserver:(id)arg1 ;
-(bool)_canCancelContentTouches:(id)arg1 ;
-(void)_moveContentSubview:(id)arg1 toBack:(bool)arg2 ;
-(void)_beginDeferredContentOffsetTransitionToOffset:(CGPoint)arg1 contentSize:(CGSize)arg2 ;
-(void)_commitDeferredContentOffsetTransition;
-(void)_cancelDeferredContentOffsetTransition;
-(CGPoint)_contentOffsetOrDeferredContentOffset;
-(CGSize)_contentSizeOrDeferredContentSize;
-(void)_setContentOffset:(CGPoint)arg1 duration:(double)arg2 animationCurve:(int)arg3 ;
-(void)_setAbsoluteContentOffset:(CGPoint)arg1 animated:(bool)arg2 ;
-(void)_updateScrollAnimationForChangedTargetOffset:(CGPoint)arg1 ;
-(void)_forceDelegateScrollViewDidZoom:(bool)arg1 ;
-(void)_ensureViewsAreLoadedInRect:(CGRect)arg1 ;
-(void)animator:(id)arg1 stopAnimation:(id)arg2 fraction:(float)arg3 ;
-(bool)_scrollsToMakeFirstResponderVisible;
-(void)_setContentOffsetPinned:(CGPoint)arg1 ;
-(void)_setContentOffsetPinned:(CGPoint)arg1 animated:(bool)arg2 ;
-(void)_setContentScrollInset:(UIEdgeInsets)arg1 ;
-(void)_setApplyVerticalSafeAreaInsetsToNonscrollingContent:(bool)arg1 ;
-(id)_parentScrollView;
-(CGPoint)_animatedOriginalOffset;
-(CGPoint)_focusTargetOffset;
-(void)_setAlwaysBounceVertical:(bool)arg1 ;
-(void)_setShowsVerticalScrollIndicator:(bool)arg1 ;
-(void)_setShowsHorizontalScrollIndicator:(bool)arg1 ;
-(void)_adjustForAutomaticKeyboardInfo:(id)arg1 animated:(bool)arg2 lastAdjustment:(double*)arg3 ;
-(void)_resetContentScrollableAxes;
-(void)_setContentScrollsAlongXAxis:(bool)arg1 ;
-(void)_setContentScrollsAlongYAxis:(bool)arg1 ;
-(bool)_canScrollWithoutBouncingIncludingRevealableContentPaddingTopY;
-(bool)_pagingLeft;
-(bool)_pagingRight;
-(bool)_pagingUp;
-(bool)_pagingDown;
-(void)_setAutoscrolling:(bool)arg1 ;
-(bool)_isAutoscrolling;
-(CGPoint)autoscrollContentOffset;
-(void)setAutoscrollContentOffset:(CGPoint)arg1 ;
-(CGRect)contentFrameForView:(id)arg1 ;
-(void)_adjustShadowsIfNecessaryForOffset:(double)arg1 ;
-(id)_backgroundShadowForSlideAnimation;
-(void)_pinContentOffsetToClosestPageBoundary;
-(CGRect)_rectForPageContainingView:(id)arg1 ;
-(void)performWhileAnimatingAutomaticContentOffsetAdjustments:(/*^block*/ id)arg1 ;
-(bool)_viewIsInsideNavigationController;
-(id)_scrollTestExtraResults;
-(bool)isElementAccessibilityExposedToInterfaceBuilder;
-(int)scrollableDirections;
-(double)maxVelocityInDirection:(int)arg1 ;
-(void)_performScrollTest:(id)arg1 iterations:(int)arg2 delta:(int)arg3 length:(int)arg4 scrollAxis:(int)arg5 ;
-(void)_performScrollTest:(id)arg1 iterations:(int)arg2 delta:(int)arg3 scrollAxis:(int)arg4 ;
-(void)_performScrollTest:(id)arg1 iterations:(int)arg2 delta:(int)arg3 length:(int)arg4 scrollAxis:(int)arg5 extraResultsBlock:(/*^block*/ id)arg6 ;
-(void)_suppressImplicitAnimationsForScrollTest;
-(void)_incrementForScrollTest;
-(void)_reenableImplicitAnimationsAfterScrollTest;
-(void)_simulateGestureWithDuration:(double)arg1 begin:(/*^block*/ id)arg2 update:(/*^block*/ id)arg3 end:(/*^block*/ id)arg4 ;
-(bool)_isAnimatingScrollTest;
-(void)_performScrollTest:(id)arg1 iterations:(int)arg2 delta:(int)arg3 ;
-(void)_performScrollTest:(id)arg1 iterations:(int)arg2 delta:(int)arg3 length:(int)arg4 ;
-(void)_performFullScreenScrollTest:(id)arg1 iterations:(int)arg2 scrollAxis:(int)arg3 ;
-(void)_simulateScrollWithTranslation:(CGPoint)arg1 duration:(double)arg2 willBeginDragging:(/*^block*/ id)arg3 didEndDragging:(/*^block*/ id)arg4 willBeginDecelerating:(/*^block*/ id)arg5 didEndDecelerating:(/*^block*/ id)arg6 ;
-(void)_simulateZoomByScaleFactor:(double)arg1 duration:(double)arg2 willBeginZooming:(/*^block*/ id)arg3 didEndZooming:(/*^block*/ id)arg4 ;
-(void)_accumulateViewConstraintsIntoArray:(id)arg1 ;
-(void)_didAddDependentConstraint:(id)arg1 ;
-(void)_didRemoveDependentConstraint:(id)arg1 ;
-(bool)_constraintAffectsContentSize:(id)arg1 ;
-(id)_constraintsFromContentSize;
@end
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