@type t() :: %APM.Message.RequestDataStream{
  req_message_rate: MAVLink.Types.uint16_t(),
  req_stream_id: MAVLink.Types.uint8_t(),
  start_stop: MAVLink.Types.uint8_t(),
  target_component: MAVLink.Types.uint8_t(),
  target_system: MAVLink.Types.uint8_t()
}