this.proxyPort = proxyPort;
    }

    /**
     * Sets the proxy authentication scheme.
     *
     * @param proxyAuthScheme The proxy authentication scheme
     */
    public void setProxyAuthScheme(final AuthScheme proxyAuthScheme) {
        this.proxyAuthScheme = proxyAuthScheme;
    }

    /**
     * Sets the proxy credentials.
     *
     * @param proxyCredentials The proxy credentials