/// <summary>
/// Get the action that would be executed when the event <typeparamref name="TEvent"/> would be published
/// </summary>
/// <typeparam name="TEvent"></typeparam>
/// <param name="messageHub"></param>
/// <param name="subscribedAction"></param>
public static void GetAction <TEvent>(this IMessageHub messageHub, Action <Action <TEvent> > subscribedAction)
{
messageHub
.When(_ => _.Subscribe(Arg.Any <Action <TEvent> >()))
.Do(_ => subscribedAction(_.Arg <Action <TEvent> >()));
}