`object
method private virtual connect :
'b.
([> `texttagtable ] as 'a, 'b) GtkSignal.t ->
callback:'b -> GtkSignal.id
method private virtual notify :
'b. ('a, 'b) Gobject.property -> callback:('b -> unit) -> GtkSignal.id
method tag_added : callback:(Gtk.text_tag -> unit) -> GtkSignal.id
method tag_changed :
callback:(Gtk.text_tag -> size:bool -> unit) -> GtkSignal.id
method tag_removed : callback:(Gtk.text_tag -> unit) -> GtkSignal.id
end`