this.proxyHost = proxyHost;
    }

    /**
     * Sets the proxy port number.
     *
     * @param proxyPort The proxy port number
     */
    public void setProxyPort(final Integer proxyPort) {
        this.proxyPort = proxyPort;
    }

    /**
     * Sets the proxy authentication scheme.
     *
     * @param proxyAuthScheme The proxy authentication scheme