Type Alias Simulation<State, Message, Command, Event>

Simulation: Readonly<
    {
        commands: ReadonlyArray<Command>;
        events: ReadonlyArray<Event>;
        ignored: ReadonlyArray<Message>;
        messages: ReadonlyArray<Message>;
        state: State;
    },
>

Where a simulation ends: the last state, every message update accepted and every command it started, in order, every event, and every message of a command that update rejected (ignored).