public long getRetryInterval() {
        return retryInterval;
    }

    /**
     * Sets the retry interval.
     * @param retryInterval The retry interval in milliseconds.
     */
    public void setRetryInterval(final long retryInterval) {
        this.retryInterval = retryInterval;
    }

    /**
     * Returns the request listener.
     * @return The RequestListener instance.
     */