Rabbit - RPC - Synchronicznie

public class RpcClient
{
    private readonly IConnection connection;
    private readonly IModel channel;
    private readonly string replyQueueName;
    private readonly EventingBasicConsumer consumer;
    private readonly BlockingCollection<string> respQueue = new BlockingCollection<string>();
    private readonly IBasicProperties props;
public RpcClient()
{
        var factory = new ConnectionFactory() { HostName = "localhost" };
        connection = factory.CreateConnection();
        channel = connection.CreateModel();
        replyQueueName = channel.QueueDeclare().QueueName;
        consumer = new EventingBasicConsumer(channel);
        props = channel.CreateBasicProperties();
        var correlationId = Guid.NewGuid().ToString();
        props.CorrelationId = correlationId;
        props.ReplyTo = replyQueueName;
        consumer.Received += (model, ea) =>
        {
            var body = ea.Body.ToArray();
            var response = Encoding.UTF8.GetString(body);
            if (ea.BasicProperties.CorrelationId == correlationId)
            {
                respQueue.Add(response);
            }
        };
    }
    public string Call(string message)
    {
        var messageBytes = Encoding.UTF8.GetBytes(message);
        channel.BasicPublish(
            exchange: "",
            routingKey: "rpc_queue",
            basicProperties: props,
            body: messageBytes);
        channel.BasicConsume(
            consumer: consumer,
            queue: replyQueueName,
            autoAck: true);
        return respQueue.Take();
    }