class js.html.MouseEvent extends UIEvent

var altKey:Bool

var button:Int

var buttons:Int

var clientX:Int

var clientY:Int

var ctrlKey:Bool

var metaKey:Bool

var movementX:Int

var movementY:Int

var region:String

var relatedTarget:EventTarget

var screenX:Int

var screenY:Int

var shiftKey:Bool

function new(typeArg:String, ?mouseEventInitDict:MouseEventInit):Void

function getModifierState(keyArg:String):Bool

function initMouseEvent(typeArg:String, canBubbleArg:Bool, cancelableArg:Bool, viewArg:Window, detailArg:Int, screenXArg:Int, screenYArg:Int, clientXArg:Int, clientYArg:Int, ctrlKeyArg:Bool, altKeyArg:Bool, shiftKeyArg:Bool, metaKeyArg:Bool, buttonArg:Int, relatedTargetArg:EventTarget):Void

function initNSMouseEvent(typeArg:String, canBubbleArg:Bool, cancelableArg:Bool, viewArg:Window, detailArg:Int, screenXArg:Int, screenYArg:Int, clientXArg:Int, clientYArg:Int, ctrlKeyArg:Bool, altKeyArg:Bool, shiftKeyArg:Bool, metaKeyArg:Bool, buttonArg:Int, relatedTargetArg:EventTarget, pressure:Float, inputSourceArg:Int):Void