Circle Layer Descriptor
constructor(id: String, source: String, sourceLayer: String? = null, paint: CircleLayerPaint = CircleLayerPaint(
fill = FillPaint(),
stroke = StrokePaint(),
circle = CirclePaint()
), filter: Expression? = null, stencilOnly: Boolean = false, useGlRendering: Boolean = true, timing: LayerTiming? = null, maskLayerIds: List<String> = emptyList(), maskLayerId: String? = null, layerMask: LayerMaskSpec? = null, stencilLayerMask: StencilLayerMaskSpec? = null)