--- /dev/null
+<?php
+
+/**
+ * Licensed to Jasig under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * Jasig licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP Version 5
+ *
+ * @file CAS/Language/LanguageInterface.php
+ * @category Authentication
+ * @package PhpCAS
+ * @author Joachim Fritschi <jfritschi@freenet.de>
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
+ * @link https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+/**
+ * Language Interface class for all internationalization files
+ *
+ * @class CAS_Languages_LanguageInterface
+ * @category Authentication
+ * @package PhpCAS
+ * @author Joachim Fritschi <jfritschi@freenet.de>
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
+ * @link https://wiki.jasig.org/display/CASC/phpCAS
+ *
+ * @sa @link internalLang Internationalization @endlink
+ * @ingroup internalLang
+ */
+
+interface CAS_Languages_LanguageInterface
+{
+ /**
+ * Get the using server string
+ *
+ * @return string using server
+ */
+ public function getUsingServer();
+
+ /**
+ * Get authentication wanted string
+ *
+ * @return string authentication wanted
+ */
+ public function getAuthenticationWanted();
+
+ /**
+ * Get logout string
+ *
+ * @return string logout
+ */
+ public function getLogout();
+
+ /**
+ * Get the should have been redirected string
+ *
+ * @return string should habe been redirected
+ */
+ public function getShouldHaveBeenRedirected();
+
+ /**
+ * Get authentication failed string
+ *
+ * @return string authentication failed
+ */
+ public function getAuthenticationFailed();
+
+ /**
+ * Get the your were not authenticated string
+ *
+ * @return string not authenticated
+ */
+ public function getYouWereNotAuthenticated();
+
+ /**
+ * Get the service unavailable string
+ *
+ * @return string service unavailable
+ */
+ public function getServiceUnavailable();
+
+}
+?>
\ No newline at end of file