+val checksum_file : Filetree_type.t -> Gtk.tree_path -> string -> unit -> unit
+
+val copy_regvalue : Filetree_type.t -> Gtk.tree_path -> unit -> unit
+
+val disk_usage : Filetree_type.t -> Gtk.tree_path -> unit -> unit
+
+val display_inspection_data : Filetree_type.t -> Gtk.tree_path -> unit -> unit
+
+val download_as_reg : Filetree_type.t -> Gtk.tree_path -> string -> unit -> unit