--- /dev/null
+(* Copyright (C) 2004-2005, HELM Team.
+ *
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ *
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ *
+ * For details, see the HELM World-Wide-Web page,
+ * http://helm.cs.unibo.it/
+ *)
+
+val add_obj:
+ RefinementTool.kit ->
+ UriManager.uri -> Cic.obj -> GrafiteTypes.status ->
+ GrafiteTypes.status * UriManager.uri list
+
+val add_coercion:
+ RefinementTool.kit ->
+ add_composites:bool -> GrafiteTypes.status ->
+ UriManager.uri -> int -> int ->
+ string (* baseuri *) ->
+ GrafiteTypes.status * (UriManager.uri * int * int) list
+ (* URI, arity, saturations *)
+
+val time_travel:
+ present:GrafiteTypes.status -> past:GrafiteTypes.status -> unit
+
+ (* also resets the imperative part of the status *)
+val init: string -> GrafiteTypes.status
+
+(*
+ (* just an empty status, does not reset imperative
+ * part, use push/pop for that *)
+val initial_status: string -> GrafiteTypes.status
+*)
+
+ (* preserve _only_ imperative parts of the status *)
+val push: unit -> unit
+val pop: unit -> unit