+ static void store_variantbase(QSettings &settings, Glib::VariantBase v);
+ static Glib::VariantBase restore_variantbase(QSettings &settings);
+
+ static void store_timestamp(QSettings &settings, const char *name, const pv::util::Timestamp &ts);
+ static pv::util::Timestamp restore_timestamp(QSettings &settings, const char *name);
+