`sig
val focus_on_click : ([> `button ], bool) Gobject.property
val image : ([> `button ], Gtk.widget Gtk.obj) Gobject.property
val image_position :
([> `button ], GtkEnums.position_type) Gobject.property
val label : ([> `button ], string) Gobject.property
val use_stock : ([> `button ], bool) Gobject.property
val use_underline : ([> `button ], bool) Gobject.property
val relief : ([> `button ], GtkEnums.relief_style) Gobject.property
val xalign : ([> `button ], float) Gobject.property
val yalign : ([> `button ], float) Gobject.property
end`