void applyOnTheFlySearchEngine(QAction *searchEngineActionPointer);
void applyOnTheFlyUserAgent(QAction *userAgentActionPointer) const;
void back() const;
void applyOnTheFlySearchEngine(QAction *searchEngineActionPointer);
void applyOnTheFlyUserAgent(QAction *userAgentActionPointer) const;
void back() const;