Part I. Object Hierarchy

    GObject
    ├── GInitiallyUnowned
       ╰── GtkWidget
           ╰── GtkContainer
               ├── GtkBox
                  ╰── GPluginGtkPluginInfo
               ╰── GtkTreeView
                   ╰── GPluginGtkView
    ╰── GtkListStore
        ╰── GPluginGtkStore