docs: def set_secure_boot_mode(self, secure_boot_enable):
          """Enable/Disable secure boot on the server.
  
          Resetting the server post updating this settings is needed
          from the caller side to make this into effect.
          :param secure_boot_enable: True, if secure boot needs to be
                 enabled for next boot, else False.
          :raises: IloError, on an error from iLO.
          :raises: IloCommandNotSupportedError, if the command is not supported
                   on the server.
          """
          if self._is_boot_mode_uefi():
              sushy_system = self._get_sushy_system(PROLIANT_SYSTEM_ID)
              try:
                  sushy_system.secure_boot.enable_secure_boot(secure_boot_enable)
              except exception.InvalidInputError as e:
                  msg = (self._('Invalid input. Error %(error)s')
                         % {'error': str(e)})
                  LOG.debug(msg)
                  raise exception.IloError(msg)
              except sushy.exceptions.SushyError as e:
                  msg = (self._('The Redfish controller failed to set secure '
                                'boot settings on the server. Error: %(error)s')
                         % {'error': str(e)})
                  LOG.debug(msg)
                  raise exception.IloError(msg)
          else:
              msg = (self._('System is not in UEFI boot mode. "SecureBoot" '
                            'related resources cannot be changed.'))
              raise exception.IloCommandNotSupportedInBiosError(msg)