Arcgis api4.x裁剪

例如显示的线超出了苏州省，把超出苏州省的线或者面裁减掉

 苏州省范围
 const polygon = new Polygon({
        rings: jsonData.features[0].geometry.coordinates
 });
 //result代表每个线的范围。
 result.forEach((item: any) => {
              geometryEngineAsync.intersect(item.geometry, polygon).then((res) => {
                const polygonGraphic = new Graphic({
                  geometry: res,
                  symbol: slsymbol
                });
                equivalenceLine.add(polygonGraphic);
              });
            });

参考api https://developers.arcgis.com/javascript/latest/api-reference/esri-geometry-geometryEngineAsync.html