PointRenderer<D>  constructor 
      
      PointRenderer<D> ({ 
    
    
- String? rendererId,
- PointRendererConfig<D> ? config,
Implementation
PointRenderer({String? rendererId, PointRendererConfig<D>? config})
    : config = config ?? PointRendererConfig<D>(),
      pointRendererDecorators = config?.pointRendererDecorators ?? [],
      super(
          rendererId: rendererId ?? 'point',
          layoutPaintOrder:
              config?.layoutPaintOrder ?? LayoutViewPaintOrder.point,
          symbolRenderer: config?.symbolRenderer ?? CircleSymbolRenderer());