docs: function _gpfDefAttr (name, base, definition) {
      var
          isAlias = name.charAt(0) === "$",
          fullName,
          result;
      if (isAlias) {
          name = name.substr(1);
          fullName = name + "Attribute";
      } else {
          fullName = name;
      }
      result = _gpfDefAttrBase(fullName, base, definition);
      if (isAlias) {
          _gpfAlias(result, name);
      }
      return result;
  }