toJSON method
Implementation
@override
toJSON() {
var data = super.toJSON();
data["aX"] = aX;
data["aY"] = aY;
data["xRadius"] = xRadius;
data["yRadius"] = yRadius;
data["aStartAngle"] = aStartAngle;
data["aEndAngle"] = aEndAngle;
data["aClockwise"] = aClockwise;
data["aRotation"] = aRotation;
return data;
}