The QHash class is a template class that provides a hash-table-based dictionary.| doc.qt.io
The QWidget class is the base class of all user interface objects.| doc.qt.io
The QSet class is a template class that provides a hash-table-based set.| doc.qt.io
The QObject class is the base class of all Qt objects.| doc.qt.io
The QApplication class manages the GUI application's control flow and main settings.| doc.qt.io
A basic visual QML type.| doc.qt.io
The header file defines Qt logging types, functions and macros.| doc.qt.io