--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/tmatesoft/hg/internal/remote/Connector.java	Sat Jul 27 18:34:14 2013 +0200
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2013 TMate Software Ltd
+ *  
+ * This program 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; version 2 of the License.
+ *
+ * This program 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.
+ *
+ * For information on how to redistribute this software under
+ * the terms of a license other than GNU General Public License
+ * contact TMate Software at support@hg4j.com
+ */
+package org.tmatesoft.hg.internal.remote;
+
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.URL;
+import java.util.Collection;
+import java.util.List;
+
+import org.tmatesoft.hg.core.HgRemoteConnectionException;
+import org.tmatesoft.hg.core.Nodeid;
+import org.tmatesoft.hg.core.SessionContext;
+import org.tmatesoft.hg.repo.HgRuntimeException;
+import org.tmatesoft.hg.repo.HgRemoteRepository.Range;
+
+/**
+ * 
+ * @author Artem Tikhomirov
+ * @author TMate Software Ltd.
+ */
+public interface Connector {
+	static final String CMD_HELLO = "hello"; // TODO enum
+	static final String CMD_CAPABILITIES = "capabilities";
+	static final String CMD_HEADS = "heads";
+	static final String CMD_BETWEEN = "between";
+	static final String CMD_BRANCHES = "branches";
+	static final String CMD_CHANGEGROUP = "changegroup";
+	static final String CMD_UNBUNDLE = "unbundle";
+	static final String CMD_PUSHKEY = "pushkey";
+	static final String CMD_LISTKEYS = "listkeys";
+	static final String NS_BOOKMARKS = "bookmarks";
+	static final String NS_PHASES = "phases";
+	
+	void init(URL url, SessionContext sessionContext, Object globalConfig) throws HgRuntimeException;
+	String getServerLocation();
+	//
+	void connect() throws HgRemoteConnectionException, HgRuntimeException;
+	void disconnect() throws HgRemoteConnectionException, HgRuntimeException;
+	void sessionBegin() throws HgRemoteConnectionException, HgRuntimeException;
+	void sessionEnd() throws HgRemoteConnectionException, HgRuntimeException;
+	// 
+	String getCapabilities() throws HgRemoteConnectionException, HgRuntimeException;
+
+	InputStream heads() throws HgRemoteConnectionException, HgRuntimeException;
+	InputStream between(Collection<Range> ranges) throws HgRemoteConnectionException, HgRuntimeException;
+	InputStream branches(List<Nodeid> nodes) throws HgRemoteConnectionException, HgRuntimeException;
+	InputStream changegroup(List<Nodeid> roots) throws HgRemoteConnectionException, HgRuntimeException;
+	OutputStream unbundle(long outputLen, List<Nodeid> remoteHeads) throws HgRemoteConnectionException, HgRuntimeException;
+	InputStream pushkey(String opName, String namespace, String key, String oldValue, String newValue) throws HgRemoteConnectionException, HgRuntimeException;
+	InputStream listkeys(String namespace, String actionName) throws HgRemoteConnectionException, HgRuntimeException;
+}