New API in glibmm 2.84

Member Gio::File::query_default_handler_async (const SlotAsyncReady & slot, const Glib::RefPtr< Cancellable > & cancellable={}, int io_priority=Glib::PRIORITY_DEFAULT)

Member Gio::File::query_default_handler_finish (const Glib::RefPtr< AsyncResult > & result)

Member Gio::Resource::has_children (const std::string & path) const

Member Gio::Resource::has_children_global (const std::string & path)

Member Gio::SocketListener::Event

Member Gio::SocketListener::signal_event ()