docs: protected static I_CmsLogServiceAsync getLoggingService() {
  
          if (m_loggingService == null) {
              m_loggingService = GWT.create(I_CmsLogService.class);
              String serviceUrl = CmsCoreProvider.get().link("org.opencms.gwt.CmsLogService.gwt");
              ((ServiceDefTarget)m_loggingService).setServiceEntryPoint(serviceUrl);
  
          }
          return m_loggingService;
      }