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diff --git a/OpenSim/Region/OptionalModules/ContentManagementSystem/IContentDatabase.cs b/OpenSim/Region/OptionalModules/ContentManagementSystem/IContentDatabase.cs
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+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSim Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#region Header
+
+// IContentDatabase.cs 
+// User: bongiojp
+//
+// 
+//
+
+#endregion Header
+
+using System;
+using OpenMetaverse;
+using OpenSim.Region.Framework.Scenes;
+using Nini.Config;
+
+namespace OpenSim.Region.OptionalModules.ContentManagement
+{
+    public interface IContentDatabase
+    {
+        #region Methods
+
+        /// <summary>
+        /// Returns the most recent revision number of a region.
+        /// </summary>
+        int GetMostRecentRevision(UUID regionid);
+
+        string GetRegionObjectHeightMap(UUID regionid);
+
+        string GetRegionObjectHeightMap(UUID regionid, int revision);
+
+        /// <summary>
+        /// Retrieves the xml that describes each individual object from the last revision or specific revision of the given region.
+        /// </summary>
+        System.Collections.ArrayList GetRegionObjectXMLList(UUID regionid);
+
+        System.Collections.ArrayList GetRegionObjectXMLList(UUID regionid, int revision);
+
+        /// <summary>
+        /// Similar to the IRegionModule function. This is the function to be called before attempting to interface with the database.
+        /// Initialise should be called one for each region to be contained in the database. The directory should be the full path 
+        /// to the repository and will only be defined once, regardless of how many times the method is called.
+        /// </summary>
+        void Initialise(Scene scene, String dir);
+
+        /// <summary>
+        /// Returns a list of the revision numbers and corresponding log messages for a given region.
+        /// </summary>
+        System.Collections.Generic.SortedDictionary<string, string> ListOfRegionRevisions(UUID id);
+
+        /// <summary>
+        /// Returns the total number of revisions saved for a specific region. 
+        /// </summary>
+        int NumOfRegionRev(UUID regionid);
+
+        /// <summary>
+        /// Should be called once after Initialise has been called.
+        /// </summary>
+        void PostInitialise();
+
+        /// <summary>
+        /// Saves the Region terrain map and objects within the region as xml to the database.
+        /// </summary>
+        void SaveRegion(UUID regionid, string regionName, string logMessage);
+
+        #endregion Methods
+    }
+}