@interface DOMWheelEvent : DOMMouseEvent @property (readonly) int wheelDeltaX; @property (readonly) int wheelDeltaY; @property (readonly) int wheelDelta; @property (readonly) BOOL isHorizontal; - (double)deltaX; - (double)deltaY; - (unsigned int)deltaMode; - (double)deltaZ; - (void)initWheelEvent:(int)a0 wheelDeltaY:(int)a1 view:(id)a2 screenX:(int)a3 screenY:(int)a4 clientX:(int)a5 clientY:(int)a6 ctrlKey:(BOOL)a7 altKey:(BOOL)a8 shiftKey:(BOOL)a9 metaKey:(BOOL)a10; - (BOOL)webkitDirectionInvertedFromDevice; @end