-record(start_if_not_exists, {
    key :: any(),
    start_fn :: fun((any()) -> {ok,
            gleam@otp@actor:started(gleam@erlang@process:subject(any()))} |
        {error, gleam@otp@actor:start_error()}),
    reply_to :: gleam@erlang@process:subject({ok,
            gleam@erlang@process:subject(any())} |
        {error, gleam@otp@actor:start_error()})
}).