404. That’s an error.

The requested URL /translate_c?depth=1&pto=aue&rurl=translate.google.ru&sl=en&sp=nmt4&tl=ru&u=https://developer.apple.com/library/ios/documentation/UIKit/Reference/UINavigationController_Class/&usg=ALkJrhgDFAJObSuidND6GQmRze4dwU7Hsg was not found on this server. That’s all we know.