@interface _UIKBRTDecayingOffset : _UIKBRTDecayingObject { BOOL _limitMovement; struct CGPoint { double x; double y; } _offset; } @property (readonly, nonatomic) struct CGPoint { double x0; double x1; } offset; @property (readonly, nonatomic) struct CGPoint { double x0; double x1; } originalOffset; - (void)reset; - (void)updateOffsetTo:(struct CGPoint { double x0; double x1; })a0; - (id)initWithTimeoutDuration:(double)a0 limitMovement:(BOOL)a1; @end