docs: protected List<CmsUser> getNotificationMailRecipients() {
  
          String group = getWorkflowProjectManagerGroup();
          CmsObject cms = m_adminCms;
          try {
              List<CmsUser> users = cms.getUsersOfGroup(group);
              return users;
          } catch (CmsException e) {
              LOG.error(e.getLocalizedMessage(), e);
              return new ArrayList<CmsUser>();
          }
      }