--- /dev/null
+/**
+ * ============LICENSE_START====================================================
+ * org.onap.aaf
+ * ===========================================================================
+ * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
+ * ===========================================================================
+ * Licensed 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.
+ * ============LICENSE_END====================================================
+ *
+ */
+
+package org.onap.aaf.cadi.oauth;
+
+import java.io.IOException;
+
+import org.onap.aaf.cadi.CadiException;
+import org.onap.aaf.cadi.LocatorException;
+import org.onap.aaf.cadi.client.Retryable;
+import org.onap.aaf.misc.env.APIException;
+
+/**
+ * TimedToken Client
+ *
+ * @author Jonathan
+ *
+ */
+public abstract class TzClient {
+ public abstract void setToken(final String client_id, final TimedToken token) throws IOException;
+ public abstract <RET> RET best(Retryable<RET> rcode) throws CadiException, LocatorException, APIException;
+}