return queueReplicas;
    }

    /**
     * Sets the number of queue replicas.
     * @param queueReplicas The number of queue replicas.
     */
    public void setQueueReplicas(final int queueReplicas) {
        this.queueReplicas = queueReplicas;
    }

    /**
     * Returns the number of data replicas.
     * @return The number of data replicas.
     */