--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/tmatesoft/hg/auth/HgAuthMethod.java	Thu Aug 08 19:18:50 2013 +0200
@@ -0,0 +1,41 @@
+/*
+ * 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.auth;
+
+import java.io.InputStream;
+import java.security.cert.X509Certificate;
+
+import org.tmatesoft.hg.internal.Experimental;
+
+/**
+ * Clients do not implement this interface, instead, they invoke appropriate authentication method
+ * once they got user input
+ * 
+ * @author Artem Tikhomirov
+ * @author TMate Software Ltd.
+ * @since 1.2
+ */
+@Experimental(reason="Provisional API. Work in progress")
+public interface HgAuthMethod {
+	public void noCredentials() throws HgAuthFailedException;
+	public boolean supportsPassword();
+	public void withPassword(String username, String password) throws HgAuthFailedException;
+	public boolean supportsPublicKey();
+	public void withPublicKey(String username, InputStream privateKey, String passphrase) throws HgAuthFailedException;
+	public boolean supportsCertificate();
+	public void withCertificate(X509Certificate[] clientCertChain) throws HgAuthFailedException;
+}
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