+ @callback open(charlist(), pos_integer(), map()) :: {:ok, pid()}
+ @callback info(pid()) :: map()
+ @callback close(pid()) :: :ok
+ @callback await_up(pid, pos_integer()) :: {:ok, atom()} | {:error, atom()}
+ @callback connect(pid(), map()) :: reference()
+ @callback await(pid(), reference()) :: {:response, :fin, 200, []}
+ @callback set_owner(pid(), pid()) :: :ok