+(*
+ * Copyright (C) 2003:
+ * Stefano Zacchiroli <zack@cs.unibo.it>
+ * for the HELM Team http://helm.cs.unibo.it/
+ *
+ * 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/
+ *)
+
+open Hbugs_types;;
+
+val broker_url: string
+
+val register_to_broker:
+ tutor_id -> string -> hint_type -> string ->
+ broker_id
+val unregister_from_broker: tutor_id -> unit
+
+val init_tutor: unit -> tutor_id
+val load_state:
+ Hbugs_types.state ->
+ ProofEngineTypes.proof * ProofEngineTypes.goal
+
+module type HbugsTutor =
+ sig
+ val start: unit -> unit
+ end
+
+module type HbugsTutorDescription =
+ sig
+ val addr: string
+ val port: int
+ val tactic: ProofEngineTypes.tactic
+ val hint: hint
+ val hint_type: hint_type
+ val description: string
+ val environment_file: string
+ end
+
+module BuildTutor (Dsc: HbugsTutorDescription) : HbugsTutor
+