@GoogleCloudBaseHook.catch_http_exception<EOL><INDENT>def cancel_transfer_operation(self, operation_name):<DEDENT>
self.get_conn().transferOperations().cancel(name=operation_name).execute(num_retries=self.num_retries)<EOL>
Cancels an transfer operation in Google Storage Transfer Service.

:param operation_name: Name of the transfer operation.
:type operation_name: str
:rtype: None