code: private CmsModuleImportExportHandler getExportHandler() {
  
          String moduleName = getParamModule();
  
          // get the module
          CmsModule module = OpenCms.getModuleManager().getModule(moduleName);
  
          // create the handler description
          String handlerDescription = Messages.get().getBundle(getLocale()).key(
              Messages.GUI_MODULES_LIST_EXPORT_REPORT_HANDLER_NAME_1,
              moduleName);
  
          return CmsModuleImportExportHandler.getExportHandler(getCms(), module, handlerDescription);
      }
docs: Gets the module export handler containing all resources used in the module export.<p>
  @return CmsModuleImportExportHandler with all module resources