22 virtual QStringList
keys() const Q_DECL_OVERRIDE;
23 virtual QVariant getOption(const QString &key) const Q_DECL_OVERRIDE;
26 virtual
void doSetOption(const QString &key, const QVariant &value) Q_DECL_OVERRIDE;
27 virtual
void doSync() Q_DECL_OVERRIDE;
30 QScopedPointer<QSettingBackendPrivate> d_ptr;