qthelp qtcore qtgui qtsql 1 QString QStringList QString .*::d .*::d_ptr .*::q_ptr .*\(.*Private.*\).* .*QtConcurrent.* .*QDomNode.* .*qFindString.* .*qFrom.*Endian_helper.* .*qt_mac_set_cursor.* ^q.* .*::q.* .*operator.* QHelpContentItem QHelpContentModel QHelpContentWidget QHelpEngine QHelpEngineCore QHelpIndexModel QHelpIndexWidget QHelpSearchEngine QHelpSearchQuery QHelpSearchQueryWidget QHelpSearchResultWidget