pie
constructor(x: Number? = null, y: Number? = null, slice: Number? = null, explode: Number? = null, size: Number? = null, fill: Any? = null, alpha: Number? = null, color: Any? = null, stroke: Number? = null, hole: Number? = null, strokeSide: String? = null, spacerWidth: Number? = null, spacerColor: Any? = null, sizeUnit: String? = null, fillBy: String? = null, colorBy: String? = null, mapping: PieMapping.() -> Unit = {})