Annotate the methods to get TextBuffer iters (cherry picked from commit cf14d4f368278fcb74780b18c00ef57902a25291)
Annotate the methods to get TextBuffer iters
(cherry picked from commit cf14d4f368278fcb74780b18c00ef57902a25291)

Unity-Technologies/gtk,Distrotech/gtk,Unity-Technologies/gtk,johne53/MB3Gtk-2,johne53/MB3Gtk-2,Distrotech/gtk,Distrotech/gtk,johne53/MB3Gtk-2,Unity-Technologies/gtk,Unity-Technologies/gtk,Unity-Technologies/gtk,johne53/MB3Gtk-2,Distrotech/gtk,Distrotech/gtk,johne53/MB3Gtk-2