docs: function (moduleCtrlPrivate) {
                  if (moduleCtrlPrivate == null) {
                      return false;
                  }
                  var k = moduleCtrlPrivate[MODULECTRL_ID_PROPERTY];
                  var res = modulesPrivateInfo[k];
                  if (!res) {
                      return false;
                  }
                  if (res.moduleCtrlPrivate != moduleCtrlPrivate) {
                      return false;
                  }
                  var subModuleInfos = res.subModuleInfos;
                  return (subModuleInfos != null);
              }