public static ProxyConfiguration manualProxyOn(String host, int port) {
		Preconditions.checkNotNull(host);
		Preconditions.checkArgument(port > 0 && port <= 65535,
				"port number should be between 0 and 65535 but was " + port);
		return new ProxyConfiguration(port, host, ProxyType.MANUAL);
	}
public static ProxyConfiguration manualProxyOn ( String host , int port ) { Preconditions . checkNotNull ( host ) ; Preconditions . checkArgument ( port > 0 && port <= 65535 , "port number should be between 0 and 65535 but was " + port ) ; return new ProxyConfiguration ( port , host , ProxyType . MANUAL ) ; }
@see ProxyType#MANUAL