Prebuilt sets of buttons for the dialog. If none of these choices are appropriate, simply use GTK_BUTTONS_NONE then call gtk_dialog_add_buttons(). See: https://developer.gnome.org/gtk3/stable/GtkMessageDialog.html#GtkButtonsType
gtk $ GtkButtonsType :: SELF
Type of this instance, automatically specialized in every classcore :: Pointer :: address_is_null
Is the address behind this Object at NULL?core :: Object :: class_factory
Implementation used byget_class to create the specific class.
			core :: Pointer :: defaultinit
gtk :: GtkButtonsType :: defaultinit
core :: Object :: defaultinit
core :: Object :: is_same_instance
Return true ifself and other are the same instance (i.e. same identity).
			core :: Object :: is_same_serialized
Isself the same as other in a serialization context?
			core :: Object :: is_same_type
Return true ifself and other have the same dynamic type.
			core :: Object :: output_class_name
Display class name on stdout (debug only).
# enum GtkButtonsType
# Prebuilt sets of buttons for the dialog. If none of these choices are appropriate, simply use GTK_BUTTONS_NONE then call gtk_dialog_add_buttons().
# See: https://developer.gnome.org/gtk3/stable/GtkMessageDialog.html#GtkButtonsType
extern class GtkButtonsType `{GtkButtonsType`}
	# No buttons at all
	new none `{ return GTK_BUTTONS_NONE; `}
	# An OK button.
	new ok `{ return GTK_BUTTONS_OK; `}
	# A Close button.
	new close `{ return GTK_BUTTONS_CLOSE; `}
	# A Cancel button.
	new cancel `{ return GTK_BUTTONS_CANCEL; `}
	# Yes and No buttons.
	new yes_no `{ return GTK_BUTTONS_YES_NO; `}
	# OK and Cancel buttons.
	new ok_cancel `{ return GTK_BUTTONS_OK_CANCEL; `}
end
					lib/gtk/v3_4/gtk_dialogs.nit:226,1--247,3