--- /dev/null
+(* Copyright (C) 2004, 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 index_obj: dbd:HSql.dbd -> uri:UriManager.uri -> unit
+
+(* TODO Zack indexing of variables and (perhaps?) incomplete proofs *)
+
+ (** remove from the db all metadata pertaining to a given owner
+ * @return list of uris removed from the db *)
+val clean: dbd:HSql.dbd -> string list
+
+val unindex: dbd:HSql.dbd -> uri:UriManager.uri -> unit
+
+val count_distinct:
+ [`Conclusion | `Hypothesis | `Statement ] ->
+ MetadataTypes.metadata list ->
+ int