-record(consumer_spec, {
    spec :: gleam@otp@supervision:child_specification(nil),
    name :: gleam@erlang@process:name(pig@obs@events:session_event()),
    start_fn :: fun(() -> {ok,
            gleam@erlang@process:subject(pig@obs@events:session_event())} |
        {error, gleam@otp@actor:start_error()})
}).