docs: def _change_bios_setting(self, properties):
          """Change the bios settings to specified values."""
          keys = properties.keys()
          # Check if the BIOS resource/property exists.
          headers, bios_uri, settings = self._check_bios_resource(keys)
          if not self._operation_allowed(headers, 'PATCH'):
              headers, bios_uri, _ = self._get_bios_settings_resource(settings)
              self._validate_if_patch_supported(headers, bios_uri)
  
          request_headers = self._get_bios_hash_password(self.bios_password)
          status, headers, response = self._rest_patch(bios_uri, request_headers,
                                                       properties)
          if status >= 300:
              msg = self._get_extended_error(response)
              raise exception.IloError(msg)