const sigrok::ConfigKey *key,
set<const sigrok::Capability *> capabilities,
prop::Property::Getter getter, prop::Property::Setter setter,
function<QString (Glib::VariantBase)> printer = print_gvariant);
const sigrok::ConfigKey *key,
set<const sigrok::Capability *> capabilities,
prop::Property::Getter getter, prop::Property::Setter setter,
function<QString (Glib::VariantBase)> printer = print_gvariant);