lollipop
constructor(x: Number? = null, y: Number? = null, size: Number? = null, stroke: Number? = null, linewidth: Number? = null, color: Any? = null, fill: Any? = null, alpha: Number? = null, shape: Any? = null, linetype: Any? = null, fatten: Number? = null, slope: Number? = null, intercept: Number? = null, dir: String? = null, colorBy: String? = null, fillBy: String? = null, mapping: LollipopMapping.() -> Unit = {})