sig
val current_folder_changed : ([> `filechooser ], unit -> unit) GtkSignal.t
val file_activated : ([> `filechooser ], unit -> unit) GtkSignal.t
val selection_changed : ([> `filechooser ], unit -> unit) GtkSignal.t
val update_preview : ([> `filechooser ], unit -> unit) GtkSignal.t
val confirm_overwrite :
([> `filechooser ], unit -> GtkEnums.file_chooser_confirmation)
GtkSignal.t
end