GObject
        EBitArray
        GApplication
            GtkApplication
                EShell
        EExtension
            EShellBackend
        GInitiallyUnowned
            GtkWidget
                GtkContainer
                    GtkBin
                        EShellContent
                        EShellSidebar
                        EShellSwitcher
                        GtkWindow
                            EShellWindow
                        GtkComboBox
                            EActionComboBox
                    GtkBox
                        EShellSearchbar
                        GtkHBox
                            EShellTaskbar
        EShellView
        EShellSettings
        EActivity