Class Variable	activity	Undocumented
Class Variable	activity_id	Undocumented
Class Variable	arg_types	Undocumented
Class Variable	args	Undocumented
Class Variable	cancellation_type	Undocumented
Class Variable	headers	Undocumented
Class Variable	local_retry_threshold	Undocumented
Class Variable	ret_type	Undocumented
Class Variable	retry_policy	Undocumented
Class Variable	schedule_to_close_timeout	Undocumented
Class Variable	schedule_to_start_timeout	Undocumented
Class Variable	start_to_close_timeout	Undocumented
Class Variable	summary	Undocumented