docs: private JavaColonNamespaceBindings<EJBBinding> getModuleBindingMap(ModuleMetaData mmd) {
          @SuppressWarnings("unchecked")
          JavaColonNamespaceBindings<EJBBinding> bindingMap = (JavaColonNamespaceBindings<EJBBinding>) mmd.getMetaData(mmdSlot);
          if (bindingMap == null) {
              bindingMap = new JavaColonNamespaceBindings<EJBBinding>(NamingConstants.JavaColonNamespace.MODULE, this);
              mmd.setMetaData(mmdSlot, bindingMap);
          }
          return bindingMap;
      }