* http://helm.cs.unibo.it/
*)
+val baseuri_of_file : string -> string
+
+val baseuri_of_baseuri_decl : ('a, 'b, 'c) GrafiteAst.statement -> string option
+
+ (** check whether no objects are defined below a given baseuri *)
+val is_empty: string -> bool
+
(** removes a file if it exists *)
val safe_remove: string -> unit
(** given the base name of an image, returns its full path *)
val image_path: string -> string
+val obj_file_of_baseuri: string -> string
val obj_file_of_script: string -> string
(** invoke a given function and return its value; in addition il will print