render = function (feature, index) {
        let styles;
        const styleFunction =
          feature.getStyleFunction() || layer.getStyleFunction();
        if (styleFunction) {
          styles = styleFunction(feature, resolution);
        }
        if (styles) {
          const dirty = this.renderFeature(
            feature,
            squaredTolerance,
            styles,
            builderGroup,
            declutter,
            index,
          );
          builderState.dirty = builderState.dirty || dirty;
        }
      }
@param {import("../../Feature.js").FeatureLike} feature Feature.
@param {number} [index] Render order index.
@this {CanvasVectorTileLayerRenderer}