AppendLogContent.
        :param object upload_stream: Stream to upload
        :param str scope_identifier: The project GUID to scope the request
        :param str hub_name: The name of the server hub: "build" for the Build server or "rm" for the Release Management server
        :param str plan_id:
        :param int log_id:
        :rtype: :class:`<TaskLog> <azure.devops.v5_0.task.models.TaskLog>`

def append_log_content(self, upload_stream, scope_identifier, hub_name, plan_id, log_id, **kwargs):
        """AppendLogContent.
        :param object upload_stream: Stream to upload
        :param str scope_identifier: The project GUID to scope the request
        :param str hub_name: The name of the server hub: "build" for the Build server or "rm" for the Release Management server
        :param str plan_id:
        :param int log_id:
        :rtype: :class:`<TaskLog> <azure.devops.v5_0.task.models.TaskLog>`
        """
        route_values = {}
        if scope_identifier is not None:
            route_values['scopeIdentifier'] = self._serialize.url('scope_identifier', scope_identifier, 'str')
        if hub_name is not None:
            route_values['hubName'] = self._serialize.url('hub_name', hub_name, 'str')
        if plan_id is not None:
            route_values['planId'] = self._serialize.url('plan_id', plan_id, 'str')
        if log_id is not None:
            route_values['logId'] = self._serialize.url('log_id', log_id, 'int')
        if "callback" in kwargs:
            callback = kwargs["callback"]
        else:
            callback = None
        content = self._client.stream_upload(upload_stream, callback=callback)
        response = self._send(http_method='POST',
                              location_id='46f5667d-263a-4684-91b1-dff7fdcf64e2',
                              version='5.0',
                              route_values=route_values,
                              content=content,
                              media_type='application/octet-stream')
        return self._deserialize('TaskLog', response)