[ Version ( since = "1.49" ) ]
public bool get_connections2_sync (GetConnectionsFlags flags, string? snap, string? @interface, out GenericArray<unowned Connection> established, out GenericArray<unowned Connection> undesired, out GenericArray<unowned Plug> plugs, out GenericArray<unowned Slot> slots, Cancellable? cancellable = null) throws Error