function mxVsdxGeometryList(parentGeoList) {
                        /*private*/ this.geomList = ([]);
                        /*private*/ this.parentGeomList = null;
                        /*private*/ this.sortNeeded = false;
                        if (parentGeoList != null) {
                            this.parentGeomList = parentGeoList.geomList;
                            /* addAll */ (function (l1, l2) { return l1.push.apply(l1, l2); })(this.geomList, parentGeoList.geomList);
                        }
                    }
@param {com.mxgraph.io.vsdx.geometry.Row} r1
@param {com.mxgraph.io.vsdx.geometry.Row} r2
@return {number}