public static ProxySpecification host(String host) {
        return new ProxySpecification(host, DEFAULT_PORT, DEFAULT_SCHEME, DEFAULT_USERNAME, DEFAULT_PASSWORD);
    }
public static ProxySpecification host ( String host ) { return new ProxySpecification ( host , DEFAULT_PORT , DEFAULT_SCHEME , DEFAULT_USERNAME , DEFAULT_PASSWORD ) ; }
Specify the hostname for of the proxy. Will use port {@value #DEFAULT_PORT} and scheme {@value #DEFAULT_SCHEME}.

@param host The hostname
@return A new ProxySpecification instance