Method isOnlineBaseLayer

src/common/mapping/WebMapV2.js:3182–3187

(url, projection)

    }

    isOnlineBaseLayer(url, projection) {
      return (
        url.startsWith('https://maptiles.supermapol.com/iserver/services/map_China/rest/maps/China_Dark') &&
        projection === 'EPSG:3857'
      );
    }

    /**
     * @private