public static final String PROXY_PORT_PROPERTY = "proxyPort";

    /** Property name for proxy authentication scheme setting */
    public static final String PROXY_AUTH_SCHEME_PROPERTY = "proxyAuthScheme";

    /** Property name for proxy credentials setting */
    public static final String PROXY_CREDENTIALS_PROPERTY = "proxyCredentials";

    /** Property name for user agent setting */

        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

        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