@type t() :: %APM.Message.Collision{
  action: APM.Types.mav_collision_action(),
  altitude_minimum_delta: Float32,
  horizontal_minimum_delta: Float32,
  id: MAVLink.Types.uint32_t(),
  src: APM.Types.mav_collision_src(),
  threat_level: APM.Types.mav_collision_threat_level(),
  time_to_minimum_delta: Float32
}