+val mount_ro : t -> string -> string -> unit
+(** mount a guest disk, read-only *)
+
+val mount_options : t -> string -> string -> string -> unit
+(** mount a guest disk with mount options *)
+
+val mount_vfs : t -> string -> string -> string -> string -> unit
+(** mount a guest disk with mount options and vfstype *)
+
+val debug : t -> string -> string array -> string
+(** debugging and internals *)
+
+val lvremove : t -> string -> unit
+(** remove an LVM logical volume *)
+
+val vgremove : t -> string -> unit
+(** remove an LVM volume group *)
+
+val pvremove : t -> string -> unit
+(** remove an LVM physical volume *)
+