+val create : packing:(GObj.widget -> unit) -> unit -> t
+ (** Create a new filetree widget (empty).
+
+ [~packing] is the required packing for the widget. *)
+
+val clear : t -> unit
+ (** Clear out all rows in existing widget. *)
+
+val add : t -> string -> Slave_types.inspection_data -> unit
+ (** [add t name data] clears out the widget and adds the operating
+ system and/or filesystems described by the [data] struct.
+
+ The [name] parameter should be some host-side (verifiable) name,
+ not any untrusted string from the guest; usually we pass the
+ name of the guest from libvirt here. *)