The QBuffer class provides a QIODevice interface for a QByteArray.| doc.qt.io
The QIODevice class is the base interface class of all I/O devices in Qt.| doc.qt.io
The QFile class provides an interface for reading from and writing to files.| doc.qt.io
The QObject class is the base class of all Qt objects.| doc.qt.io
The header file includes Qt fundamental type declarations.| doc.qt.io
The QByteArray class provides an array of bytes.| doc.qt.io