docs: function (moduleCtrlPrivate, subModulesArray, cb) {
                  var res = getModulePrivateInfoWithCheck(moduleCtrlPrivate, "loadSubModules");
                  if (!res) {
                      return this.$callback(cb, {
                          error : true
                      });
                  }
                  loadSubModules.call(this, res, subModulesArray, cb, false /* these are not custom modules */);
              }