def update_cluster_upgrade(<EOL>self, update_cluster_upgrade_description, timeout=<NUM_LIT>, custom_headers=None, raw=False, **operation_config):
api_version = "<STR_LIT>"<EOL>url = self.update_cluster_upgrade.metadata['<STR_LIT:url>']<EOL>query_parameters = {}<EOL>query_parameters['<STR_LIT>'] = self._serialize.query("<STR_LIT>", api_version, '<STR_LIT:str>')<EOL>if timeout is not None:<EOL><INDENT>query_parameters['<STR_LIT>'] = self._serialize.query("<STR_LIT>", timeout, '<STR_LIT>', maximum=<NUM_LIT>, minimum=<NUM_LIT:1>)<EOL><DEDENT>header_parameters = {}<EOL>header_parameters['<STR_LIT:Content-Type>'] = '<STR_LIT>'<EOL>if custom_headers:<EOL><INDENT>header_parameters.update(custom_headers)<EOL><DEDENT>body_content = self._serialize.body(update_cluster_upgrade_description, '<STR_LIT>')<EOL>request = self._client.post(url, query_parameters, header_parameters, body_content)<EOL>response = self._client.send(request, stream=False, **operation_config)<EOL>if response.status_code not in [<NUM_LIT:200>]:<EOL><INDENT>raise models.FabricErrorException(self._deserialize, response)<EOL><DEDENT>if raw:<EOL><INDENT>client_raw_response = ClientRawResponse(None, response)<EOL>return client_raw_response<EOL><DEDENT>
Update the upgrade parameters of a Service Fabric cluster upgrade.

        Update the upgrade parameters used during a Service Fabric cluster
        upgrade.

        :param update_cluster_upgrade_description: Parameters for updating a
         cluster upgrade.
        :type update_cluster_upgrade_description:
         ~azure.servicefabric.models.UpdateClusterUpgradeDescription
        :param timeout: The server timeout for performing the operation in
         seconds. This timeout specifies the time duration that the client is
         willing to wait for the requested operation to complete. The default
         value for this parameter is 60 seconds.
        :type timeout: long
        :param dict custom_headers: headers that will be added to the request
        :param bool raw: returns the direct response alongside the
         deserialized response
        :param operation_config: :ref:`Operation configuration
         overrides<msrest:optionsforoperations>`.
        :return: None or ClientRawResponse if raw=true
        :rtype: None or ~msrest.pipeline.ClientRawResponse
        :raises:
         :class:`FabricErrorException<azure.servicefabric.models.FabricErrorException>`