How to use the @hpcc-js/leaflet-shim.Map function in @hpcc-js/leaflet-shim

update(domNode, element) {
        super.update(domNode, element);
        this._leafletElement
            .style("width", `${this.width()}px`)
            .style("height", `${this.height()}px`)
            ;

        const baseLayer = this.baseLayer();
        if (this._prevCRS !== baseLayer.crs()) {
            this._prevCRS = baseLayer.crs();
            if (this._leafletMap) {
                this.syncLayers([], domNode, element);
                this._leafletMap.remove();
                this._leafletElement.html("");
            }
            this._leafletMap = new Map(this._leafletElement.node(), {
                trackResize: false,
                zoomControl: false,
                zoomSnap: this.mapType() === "AlbersPR" ? 0.1 : 1,
                crs: baseLayer.crs(),
                maxZoom: (baseLayer as any).getMaxZoom ? (baseLayer as any).getMaxZoom() : 18
            });
            this._leafletMap.setView([this.defaultLat(), this.defaultLong()], this.defaultZoom());
            this._leafletMap["attributionControl"].setPrefix(baseLayer.attribution());
            this._leafletMap.on("zoomend", e => this.layers().forEach(layer => layer.zoomEnd(e)));
            this._leafletMap.on("moveend", e => this.layers().forEach(layer => layer.moveEnd(e)));
            this._leafletMap.on("viewreset", e => this.layers().forEach(layer => layer.viewReset(e)));

            this._renderCount = 0;
        }
        this.syncLayers([baseLayer, ...this.layers()], domNode, element);
        this._leafletMap.invalidateSize();