docs: public void setParentGroup(CmsRequestContext context, String groupName, String parentGroupName)
      throws CmsException, CmsRoleViolationException {
  
          CmsDbContext dbc = m_dbContextFactory.getDbContext(context);
  
          try {
              checkRole(dbc, CmsRole.ACCOUNT_MANAGER.forOrgUnit(getParentOrganizationalUnit(groupName)));
              m_driverManager.setParentGroup(
                  dbc,
                  CmsOrganizationalUnit.removeLeadingSeparator(groupName),
                  CmsOrganizationalUnit.removeLeadingSeparator(parentGroupName));
          } catch (Exception e) {
              dbc.report(null, Messages.get().container(Messages.ERR_SET_PARENT_GROUP_2, parentGroupName, groupName), e);
          } finally {
              dbc.clear();
          }
      }