@type t() :: %APM.Message.IsbdLinkStatus{
  failed_sessions: MAVLink.Types.uint16_t(),
  last_heartbeat: MAVLink.Types.uint64_t(),
  ring_pending: MAVLink.Types.uint8_t(),
  rx_session_pending: MAVLink.Types.uint8_t(),
  signal_quality: MAVLink.Types.uint8_t(),
  successful_sessions: MAVLink.Types.uint16_t(),
  timestamp: MAVLink.Types.uint64_t(),
  tx_session_pending: MAVLink.Types.uint8_t()
}