(gobject:define-gflags "GtkTextBufferNotifyFlags" text-buffer-notify-flags
  (:export t
   :type-initializer "gtk_text_buffer_notify_flags_get_type")
  (:before-insert #.(ash 1 0))
  (:after-insert #.(ash 1 1))
  (:before-delete #.(ash 1 2))
  (:after-delete #.(ash 1 3)))  

:before-insert

Be notified before text is inserted into the underlying text buffer.

:after-insert

Be notified after text has been inserted into the underlying text buffer.

:before-delete

Be notified before text is deleted from the underlying text buffer.

:after-delete

Be notified after text has been deleted from the underlying text buffer.