), queue_size = undefined | pos_integer(), rate_request_max = undefined | number() | [{period, <a href="doc/cloudi_service_api.html#type-period_seconds">cloudi_service_api:period_seconds()</a>} | {value, number()}] | tuple(), dest_refresh_start = <a href="doc/cloudi_service_api.html#type-dest_refresh_start_value_milliseconds">cloudi_service_api:dest_refresh_start_value_milliseconds()</a>, dest_refresh_delay = <a href="doc/cloudi_service_api.html#type-dest_refresh_delay_value_milliseconds">cloudi_service_api