Add private structs to all remaining headers

These are not used currently. Just put them in now in
case we need them in the future.

gtk/a11y/gailutil.h

@@ -22,7 +22,7 @@
 
 G_BEGIN_DECLS
 
-void _gail_util_install (void);
+void _gail_util_install   (void);
 void _gail_util_uninstall (void);
 
 gboolean  _gail_util_key_snooper (GtkWidget   *the_widget,

gtk/a11y/gtkboxaccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_BOX_ACCESSIBLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_BOX_ACCESSIBLE))
 #define GTK_BOX_ACCESSIBLE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_BOX_ACCESSIBLE, GtkBoxAccessibleClass))
 
-typedef struct _GtkBoxAccessible      GtkBoxAccessible;
-typedef struct _GtkBoxAccessibleClass GtkBoxAccessibleClass;
+typedef struct _GtkBoxAccessible        GtkBoxAccessible;
+typedef struct _GtkBoxAccessibleClass   GtkBoxAccessibleClass;
+typedef struct _GtkBoxAccessiblePrivate GtkBoxAccessiblePrivate;
 
 struct _GtkBoxAccessible
 {
   GtkContainerAccessible parent;
+
+  GtkBoxAccessiblePrivate *priv;
 };
 
 struct _GtkBoxAccessibleClass

gtk/a11y/gtkbuttonaccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_BUTTON_ACCESSIBLE_CLASS(klass)          (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_BUTTON_ACCESSIBLE))
 #define GTK_BUTTON_ACCESSIBLE_GET_CLASS(obj)           (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_BUTTON_ACCESSIBLE, GtkButtonAccessibleClass))
 
-typedef struct _GtkButtonAccessible      GtkButtonAccessible;
-typedef struct _GtkButtonAccessibleClass GtkButtonAccessibleClass;
+typedef struct _GtkButtonAccessible        GtkButtonAccessible;
+typedef struct _GtkButtonAccessibleClass   GtkButtonAccessibleClass;
+typedef struct _GtkButtonAccessiblePrivate GtkButtonAccessiblePrivate;
 
 struct _GtkButtonAccessible
 {
   GtkContainerAccessible parent;
+
+  GtkButtonAccessiblePrivate *priv;
 };
 
 struct _GtkButtonAccessibleClass

gtk/a11y/gtkcellaccessible.h

@@ -30,12 +30,15 @@ G_BEGIN_DECLS
 #define GTK_IS_CELL_ACCESSIBLE_CLASS(klass)                (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CELL_ACCESSIBLE))
 #define GTK_CELL_ACCESSIBLE_GET_CLASS(obj)                 (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CELL_ACCESSIBLE, GtkCellAccessibleClass))
 
-typedef struct _GtkCellAccessible      GtkCellAccessible;
-typedef struct _GtkCellAccessibleClass GtkCellAccessibleClass;
+typedef struct _GtkCellAccessible        GtkCellAccessible;
+typedef struct _GtkCellAccessibleClass   GtkCellAccessibleClass;
+typedef struct _GtkCellAccessiblePrivate GtkCellAccessiblePrivate;
 
 struct _GtkCellAccessible
 {
   GtkAccessible parent;
+
+  GtkCellAccessiblePrivate *priv;
 };
 
 struct _GtkCellAccessibleClass

gtk/a11y/gtkcheckmenuitemaccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_CHECK_MENU_ITEM_ACCESSIBLE_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CHECK_MENU_ITEM_ACCESSIBLE))
 #define GTK_CHECK_MENU_ITEM_ACCESSIBLE_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CHECK_MENU_ITEM_ACCESSIBLE, GtkCheckMenuItemAccessibleClass))
 
-typedef struct _GtkCheckMenuItemAccessible      GtkCheckMenuItemAccessible;
-typedef struct _GtkCheckMenuItemAccessibleClass GtkCheckMenuItemAccessibleClass;
+typedef struct _GtkCheckMenuItemAccessible        GtkCheckMenuItemAccessible;
+typedef struct _GtkCheckMenuItemAccessibleClass   GtkCheckMenuItemAccessibleClass;
+typedef struct _GtkCheckMenuItemAccessiblePrivate GtkCheckMenuItemAccessiblePrivate;
 
 struct _GtkCheckMenuItemAccessible
 {
   GtkMenuItemAccessible parent;
+
+  GtkCheckMenuItemAccessiblePrivate *priv;
 };
 
 struct _GtkCheckMenuItemAccessibleClass

gtk/a11y/gtkcolorswatchaccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_COLOR_SWATCH_ACCESSIBLE_CLASS(klass)              (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_COLOR_SWATCH_ACCESSIBLE))
 #define GTK_COLOR_SWATCH_ACCESSIBLE_GET_CLASS(obj)             (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_COLOR_SWATCH_ACCESSIBLE, GtkColorSwatchAccessibleClass))
 
-typedef struct _GtkColorSwatchAccessible      GtkColorSwatchAccessible;
-typedef struct _GtkColorSwatchAccessibleClass GtkColorSwatchAccessibleClass;
+typedef struct _GtkColorSwatchAccessible        GtkColorSwatchAccessible;
+typedef struct _GtkColorSwatchAccessibleClass   GtkColorSwatchAccessibleClass;
+typedef struct _GtkColorSwatchAccessiblePrivate GtkColorSwatchAccessiblePrivate;
 
 struct _GtkColorSwatchAccessible
 {
   GtkWidgetAccessible parent;
+
+  GtkColorSwatchAccessiblePrivate *priv;
 };
 
 struct _GtkColorSwatchAccessibleClass

gtk/a11y/gtkexpanderaccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_EXPANDER_ACCESSIBLE_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_EXPANDER_ACCESSIBLE))
 #define GTK_EXPANDER_ACCESSIBLE_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_EXPANDER_ACCESSIBLE, GtkExpanderAccessibleClass))
 
-typedef struct _GtkExpanderAccessible      GtkExpanderAccessible;
-typedef struct _GtkExpanderAccessibleClass GtkExpanderAccessibleClass;
+typedef struct _GtkExpanderAccessible        GtkExpanderAccessible;
+typedef struct _GtkExpanderAccessibleClass   GtkExpanderAccessibleClass;
+typedef struct _GtkExpanderAccessiblePrivate GtkExpanderAccessiblePrivate;
 
 struct _GtkExpanderAccessible
 {
   GtkContainerAccessible parent;
+
+  GtkExpanderAccessiblePrivate *priv;
 };
 
 struct _GtkExpanderAccessibleClass

gtk/a11y/gtkframeaccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_FRAME_ACCESSIBLE_CLASS(klass)           (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FRAME_ACCESSIBLE))
 #define GTK_FRAME_ACCESSIBLE_GET_CLASS(obj)            (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_FRAME_ACCESSIBLE, GtkFrameAccessibleClass))
 
-typedef struct _GtkFrameAccessible      GtkFrameAccessible;
-typedef struct _GtkFrameAccessibleClass GtkFrameAccessibleClass;
+typedef struct _GtkFrameAccessible        GtkFrameAccessible;
+typedef struct _GtkFrameAccessibleClass   GtkFrameAccessibleClass;
+typedef struct _GtkFrameAccessiblePrivate GtkFrameAccessiblePrivate;
 
 struct _GtkFrameAccessible
 {
   GtkContainerAccessible parent;
+
+  GtkFrameAccessiblePrivate *priv;
 };
 
 struct _GtkFrameAccessibleClass

gtk/a11y/gtklockbuttonaccessible.h

@@ -30,12 +30,15 @@ G_BEGIN_DECLS
 #define GTK_IS_LOCK_BUTTON_ACCESSIBLE_CLASS(klass)          (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_LOCK_BUTTON_ACCESSIBLE))
 #define GTK_LOCK_BUTTON_ACCESSIBLE_GET_CLASS(obj)           (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_LOCK_BUTTON_ACCESSIBLE, GtkLockButtonAccessibleClass))
 
-typedef struct _GtkLockButtonAccessible      GtkLockButtonAccessible;
-typedef struct _GtkLockButtonAccessibleClass GtkLockButtonAccessibleClass;
+typedef struct _GtkLockButtonAccessible        GtkLockButtonAccessible;
+typedef struct _GtkLockButtonAccessibleClass   GtkLockButtonAccessibleClass;
+typedef struct _GtkLockButtonAccessiblePrivate GtkLockButtonAccessiblePrivate;
 
 struct _GtkLockButtonAccessible
 {
   GtkButtonAccessible parent;
+
+  GtkLockButtonAccessiblePrivate *priv;
 };
 
 struct _GtkLockButtonAccessibleClass

gtk/a11y/gtkmenuaccessible.h

@@ -30,12 +30,15 @@ G_BEGIN_DECLS
 #define GTK_IS_MENU_ACCESSIBLE_CLASS(klass)               (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_MENU_ACCESSIBLE))
 #define GTK_MENU_ACCESSIBLE_GET_CLASS(obj)                (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_MENU_ACCESSIBLE, GtkMenuAccessibleClass))
 
-typedef struct _GtkMenuAccessible      GtkMenuAccessible;
-typedef struct _GtkMenuAccessibleClass GtkMenuAccessibleClass;
+typedef struct _GtkMenuAccessible        GtkMenuAccessible;
+typedef struct _GtkMenuAccessibleClass   GtkMenuAccessibleClass;
+typedef struct _GtkMenuAccessiblePrivate GtkMenuAccessiblePrivate;
 
 struct _GtkMenuAccessible
 {
   GtkMenuShellAccessible parent;
+
+  GtkMenuAccessiblePrivate *priv;
 };
 
 struct _GtkMenuAccessibleClass

gtk/a11y/gtkmenushellaccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_MENU_SHELL_ACCESSIBLE_CLASS(klass)         (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_MENU_SHELL_ACCESSIBLE))
 #define GTK_MENU_SHELL_ACCESSIBLE_GET_CLASS(obj)          (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_MENU_SHELL_ACCESSIBLE, GtkMenuShellAccessibleClass))
 
-typedef struct _GtkMenuShellAccessible      GtkMenuShellAccessible;
-typedef struct _GtkMenuShellAccessibleClass GtkMenuShellAccessibleClass;
+typedef struct _GtkMenuShellAccessible        GtkMenuShellAccessible;
+typedef struct _GtkMenuShellAccessibleClass   GtkMenuShellAccessibleClass;
+typedef struct _GtkMenuShellAccessiblePrivate GtkMenuShellAccessiblePrivate;
 
 struct _GtkMenuShellAccessible
 {
   GtkContainerAccessible parent;
+
+  GtkMenuShellAccessiblePrivate *priv;
 };
 
 struct _GtkMenuShellAccessibleClass

gtk/a11y/gtkpanedaccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_PANED_ACCESSIBLE_CLASS(klass)           (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PANED_ACCESSIBLE))
 #define GTK_PANED_ACCESSIBLE_GET_CLASS(obj)            (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_PANED_ACCESSIBLE, GtkPanedAccessibleClass))
 
-typedef struct _GtkPanedAccessible      GtkPanedAccessible;
-typedef struct _GtkPanedAccessibleClass GtkPanedAccessibleClass;
+typedef struct _GtkPanedAccessible        GtkPanedAccessible;
+typedef struct _GtkPanedAccessibleClass   GtkPanedAccessibleClass;
+typedef struct _GtkPanedAccessiblePrivate GtkPanedAccessiblePrivate;
 
 struct _GtkPanedAccessible
 {
   GtkContainerAccessible parent;
+
+  GtkPanedAccessiblePrivate *priv;
 };
 
 struct _GtkPanedAccessibleClass

gtk/a11y/gtkprogressbaraccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_PROGRESS_BAR_ACCESSIBLE_CLASS(klass)               (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PROGRESS_BAR_ACCESSIBLE))
 #define GTK_PROGRESS_BAR_ACCESSIBLE_GET_CLASS(obj)              (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_PROGRESS_BAR_ACCESSIBLE, GtkProgressBarAccessibleClass))
 
-typedef struct _GtkProgressBarAccessible      GtkProgressBarAccessible;
-typedef struct _GtkProgressBarAccessibleClass GtkProgressBarAccessibleClass;
+typedef struct _GtkProgressBarAccessible        GtkProgressBarAccessible;
+typedef struct _GtkProgressBarAccessibleClass   GtkProgressBarAccessibleClass;
+typedef struct _GtkProgressBarAccessiblePrivate GtkProgressBarAccessiblePrivate;
 
 struct _GtkProgressBarAccessible
 {
   GtkWidgetAccessible parent;
+
+  GtkProgressBarAccessiblePrivate *priv;
 };
 
 struct _GtkProgressBarAccessibleClass

gtk/a11y/gtkrangeaccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_RANGE_ACCESSIBLE_CLASS(klass)            (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_RANGE_ACCESSIBLE))
 #define GTK_RANGE_ACCESSIBLE_GET_CLASS(obj)             (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_RANGE_ACCESSIBLE, GtkRangeAccessibleClass))
 
-typedef struct _GtkRangeAccessible      GtkRangeAccessible;
-typedef struct _GtkRangeAccessibleClass GtkRangeAccessibleClass;
+typedef struct _GtkRangeAccessible        GtkRangeAccessible;
+typedef struct _GtkRangeAccessibleClass   GtkRangeAccessibleClass;
+typedef struct _GtkRangeAccessiblePrivate GtkRangeAccessiblePrivate;
 
 struct _GtkRangeAccessible
 {
   GtkWidgetAccessible parent;
+
+  GtkRangeAccessiblePrivate *priv;
 };
 
 struct _GtkRangeAccessibleClass

gtk/a11y/gtkscaleaccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_SCALE_ACCESSIBLE_CLASS(klass)              (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SCALE_ACCESSIBLE))
 #define GTK_SCALE_ACCESSIBLE_GET_CLASS(obj)             (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_SCALE_ACCESSIBLE, GtkScaleAccessibleClass))
 
-typedef struct _GtkScaleAccessible      GtkScaleAccessible;
-typedef struct _GtkScaleAccessibleClass GtkScaleAccessibleClass;
+typedef struct _GtkScaleAccessible        GtkScaleAccessible;
+typedef struct _GtkScaleAccessibleClass   GtkScaleAccessibleClass;
+typedef struct _GtkScaleAccessiblePrivate GtkScaleAccessiblePrivate;
 
 struct _GtkScaleAccessible
 {
   GtkRangeAccessible parent;
+
+  GtkScaleAccessiblePrivate *priv;
 };
 
 struct _GtkScaleAccessibleClass

gtk/a11y/gtkscalebuttonaccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_SCALE_BUTTON_ACCESSIBLE_CLASS(klass)          (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SCALE_BUTTON_ACCESSIBLE))
 #define GTK_SCALE_BUTTON_ACCESSIBLE_GET_CLASS(obj)           (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_SCALE_BUTTON_ACCESSIBLE, GtkScaleButtonAccessibleClass))
 
-typedef struct _GtkScaleButtonAccessible      GtkScaleButtonAccessible;
-typedef struct _GtkScaleButtonAccessibleClass GtkScaleButtonAccessibleClass;
+typedef struct _GtkScaleButtonAccessible        GtkScaleButtonAccessible;
+typedef struct _GtkScaleButtonAccessibleClass   GtkScaleButtonAccessibleClass;
+typedef struct _GtkScaleButtonAccessiblePrivate GtkScaleButtonAccessiblePrivate;
 
 struct _GtkScaleButtonAccessible
 {
   GtkButtonAccessible parent;
+
+  GtkScaleButtonAccessiblePrivate *priv;
 };
 
 struct _GtkScaleButtonAccessibleClass

gtk/a11y/gtkscrollbaraccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_SCROLLBAR_ACCESSIBLE_CLASS(klass)          (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SCROLLBAR_ACCESSIBLE))
 #define GTK_SCROLLBAR_ACCESSIBLE_GET_CLASS(obj)           (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_SCROLLBAR_ACCESSIBLE, GtkScrollbarAccessibleClass))
 
-typedef struct _GtkScrollbarAccessible      GtkScrollbarAccessible;
-typedef struct _GtkScrollbarAccessibleClass GtkScrollbarAccessibleClass;
+typedef struct _GtkScrollbarAccessible        GtkScrollbarAccessible;
+typedef struct _GtkScrollbarAccessibleClass   GtkScrollbarAccessibleClass;
+typedef struct _GtkScrollbarAccessiblePrivate GtkScrollbarAccessiblePrivate;
 
 struct _GtkScrollbarAccessible
 {
   GtkRangeAccessible parent;
+
+  GtkScrollbarAccessiblePrivate *priv;
 };
 
 struct _GtkScrollbarAccessibleClass

gtk/a11y/gtkscrolledwindowaccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_SCROLLED_WINDOW_ACCESSIBLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SCROLLED_WINDOW_ACCESSIBLE))
 #define GTK_SCROLLED_WINDOW_ACCESSIBLE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_SCROLLED_WINDOW_ACCESSIBLE, GtkScrolledWindowAccessibleClass))
 
-typedef struct _GtkScrolledWindowAccessible      GtkScrolledWindowAccessible;
-typedef struct _GtkScrolledWindowAccessibleClass GtkScrolledWindowAccessibleClass;
+typedef struct _GtkScrolledWindowAccessible        GtkScrolledWindowAccessible;
+typedef struct _GtkScrolledWindowAccessibleClass   GtkScrolledWindowAccessibleClass;
+typedef struct _GtkScrolledWindowAccessiblePrivate GtkScrolledWindowAccessiblePrivate;
 
 struct _GtkScrolledWindowAccessible
 {
   GtkContainerAccessible parent;
+
+  GtkScrolledWindowAccessiblePrivate *priv;
 };
 
 struct _GtkScrolledWindowAccessibleClass

gtk/a11y/gtkspinbuttonaccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_SPIN_BUTTON_ACCESSIBLE_CLASS(klass)           (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SPIN_BUTTON_ACCESSIBLE))
 #define GTK_SPIN_BUTTON_ACCESSIBLE_GET_CLASS(obj)            (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_SPIN_BUTTON_ACCESSIBLE, GtkSpinButtonAccessibleClass))
 
-typedef struct _GtkSpinButtonAccessible       GtkSpinButtonAccessible;
-typedef struct _GtkSpinButtonAccessibleClass  GtkSpinButtonAccessibleClass;
+typedef struct _GtkSpinButtonAccessible        GtkSpinButtonAccessible;
+typedef struct _GtkSpinButtonAccessibleClass   GtkSpinButtonAccessibleClass;
+typedef struct _GtkSpinButtonAccessiblePrivate GtkSpinButtonAccessiblePrivate;
 
 struct _GtkSpinButtonAccessible
 {
   GtkEntryAccessible parent;
+
+  GtkSpinButtonAccessiblePrivate *priv;
 };
 
 struct _GtkSpinButtonAccessibleClass

gtk/a11y/gtkspinneraccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_SPINNER_ACCESSIBLE_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SPINNER_ACCESSIBLE))
 #define GTK_SPINNER_ACCESSIBLE_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_SPINNER_ACCESSIBLE, GtkSpinnerAccessibleClass))
 
-typedef struct _GtkSpinnerAccessible      GtkSpinnerAccessible;
-typedef struct _GtkSpinnerAccessibleClass GtkSpinnerAccessibleClass;
+typedef struct _GtkSpinnerAccessible        GtkSpinnerAccessible;
+typedef struct _GtkSpinnerAccessibleClass   GtkSpinnerAccessibleClass;
+typedef struct _GtkSpinnerAccessiblePrivate GtkSpinnerAccessiblePrivate;
 
 struct _GtkSpinnerAccessible
 {
   GtkWidgetAccessible parent;
+
+  GtkSpinnerAccessiblePrivate *priv;
 };
 
 struct _GtkSpinnerAccessibleClass

gtk/a11y/gtkstatusbaraccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_STATUSBAR_ACCESSIBLE_CLASS(klass)       (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_STATUSBAR_ACCESSIBLE))
 #define GTK_STATUSBAR_ACCESSIBLE_GET_CLASS(obj)        (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_STATUSBAR_ACCESSIBLE, GtkStatusbarAccessibleClass))
 
-typedef struct _GtkStatusbarAccessible      GtkStatusbarAccessible;
-typedef struct _GtkStatusbarAccessibleClass GtkStatusbarAccessibleClass;
+typedef struct _GtkStatusbarAccessible        GtkStatusbarAccessible;
+typedef struct _GtkStatusbarAccessibleClass   GtkStatusbarAccessibleClass;
+typedef struct _GtkStatusbarAccessiblePrivate GtkStatusbarAccessiblePrivate;
 
 struct _GtkStatusbarAccessible
 {
   GtkBoxAccessible parent;
+
+  GtkStatusbarAccessiblePrivate *priv;
 };
 
 struct _GtkStatusbarAccessibleClass

gtk/a11y/gtkswitchaccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_SWITCH_ACCESSIBLE_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SWITCH_ACCESSIBLE))
 #define GTK_SWITCH_ACCESSIBLE_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_SWITCH_ACCESSIBLE, GtkSwitchAccessibleClass))
 
-typedef struct _GtkSwitchAccessible      GtkSwitchAccessible;
-typedef struct _GtkSwitchAccessibleClass GtkSwitchAccessibleClass;
+typedef struct _GtkSwitchAccessible        GtkSwitchAccessible;
+typedef struct _GtkSwitchAccessibleClass   GtkSwitchAccessibleClass;
+typedef struct _GtkSwitchAccessiblePrivate GtkSwitchAccessiblePrivate;
 
 struct _GtkSwitchAccessible
 {
   GtkWidgetAccessible parent;
+
+  GtkSwitchAccessiblePrivate *priv;
 };
 
 struct _GtkSwitchAccessibleClass

gtk/a11y/gtktogglebuttonaccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_TOGGLE_BUTTON_ACCESSIBLE_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_TOGGLE_BUTTON_ACCESSIBLE))
 #define GTK_TOGGLE_BUTTON_ACCESSIBLE_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_TOGGLE_BUTTON_ACCESSIBLE, GtkToggleButtonAccessibleClass))
 
-typedef struct _GtkToggleButtonAccessible      GtkToggleButtonAccessible;
-typedef struct _GtkToggleButtonAccessibleClass GtkToggleButtonAccessibleClass;
+typedef struct _GtkToggleButtonAccessible        GtkToggleButtonAccessible;
+typedef struct _GtkToggleButtonAccessibleClass   GtkToggleButtonAccessibleClass;
+typedef struct _GtkToggleButtonAccessiblePrivate GtkToggleButtonAccessiblePrivate;
 
 struct _GtkToggleButtonAccessible
 {
   GtkButtonAccessible parent;
+
+  GtkToggleButtonAccessiblePrivate *priv;
 };
 
 struct _GtkToggleButtonAccessibleClass

gtk/a11y/gtkwindowaccessible.h

@@ -29,12 +29,15 @@ G_BEGIN_DECLS
 #define GTK_IS_WINDOW_ACCESSIBLE_CLASS(klass)             (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WINDOW_ACCESSIBLE))
 #define GTK_WINDOW_ACCESSIBLE_GET_CLASS(obj)              (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_WINDOW_ACCESSIBLE, GtkWindowAccessibleClass))
 
-typedef struct _GtkWindowAccessible      GtkWindowAccessible;
-typedef struct _GtkWindowAccessibleClass GtkWindowAccessibleClass;
+typedef struct _GtkWindowAccessible        GtkWindowAccessible;
+typedef struct _GtkWindowAccessibleClass   GtkWindowAccessibleClass;
+typedef struct _GtkWindowAccessiblePrivate GtkWindowAccessiblePrivate;
 
 struct _GtkWindowAccessible
 {
   GtkContainerAccessible parent;
+
+  GtkWindowAccessiblePrivate *priv;
 };
 
 struct _GtkWindowAccessibleClass