public sealed override ValueTask HandleEvent(IEventHandlerCompatible e)
        {
            if (e is T t)
            {
                if (!Filter(t))
                    return ValueTask.CompletedTask;

                return Handle(t);
            }

            return ValueTask.CompletedTask;
        }
        public sealed override void HandleEvent(IEventHandlerCompatible e)
        {
            if (e is T t)
            {
                if (!Filter(t))
                {
                    return;
                }

                Handle(t);
            }
        }