code: function (xmlNode) {
  
              var rawValues = this.getRawValues(xmlNode);
              if (!rawValues) {
                  return null;
              }
  
              var len = rawValues.length;
  
              var bufferData = new Uint32Array(len);
              for (var i = 0; i < len; i++) {
                  bufferData[i] = parseInt(rawValues[i]);
              }
  
              return bufferData;
          }
docs: Packs data from a node as a UInt32Array.
  Internal. Applications should not call this function.
  @param {Node} xmlNode A node from which to extract values.