-record(recorder, {
    stepper :: drift:stepper(any(), any()),
    apply_input :: fun((drift:context(any(), any()), any(), any()) -> drift:step(any(), any(), any(), any())),
    formatter :: fun((drift@record:message(any(), any(), any())) -> binary()),
    final_state_formatter :: gleam@option:option(fun((any()) -> binary())),
    next_tick :: gleam@option:option(integer()),
    time :: integer(),
    log :: binary(),
    outputs :: list(any()),
    stopped :: boolean()
}).