public void Application(ApplicationSays says, IEnumerable <Node> unconfirmedNodes)
        {
            var buffer = _outbound.PooledByteBuffer();

            MessageConverters.MessageToBytes(says, buffer.AsStream());

            var message = _node.Id.Value.ToRawMessage(buffer.AsStream());

            _outbound.Broadcast(unconfirmedNodes, _outbound.BytesFrom(message, buffer));
        }