Function librdkafka_sys::rd_kafka_conf_set_throttle_cb

pub unsafe extern fn rd_kafka_conf_set_throttle_cb(conf: *mut rd_kafka_conf_t,
                                                   throttle_cb: Option<unsafe extern fn(rk: *mut rd_kafka_t, broker_name: *const c_char, broker_id: int32_t, throttle_time_ms: c_int, opaque: *mut c_void)>)