val disk_usage : Filetree_type.t -> Gtk.tree_path -> unit -> unit
val display_inspection_data : 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