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diff --git a/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/authz/AuthorizationResponseSupplement.java b/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/authz/AuthorizationResponseSupplement.java
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+/*******************************************************************************
+ * ============LICENSE_START==================================================
+ * * org.onap.dmaap
+ * * ===========================================================================
+ * * Copyright © 2017 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====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+
+
+package org.onap.dmaap.datarouter.authz;
+
+import java.util.Map;
+
+/** An object that meets the <code>AuthorizationResponseSupplement</code> interface carries supplementary
+ * information for an authorization response.  In a XACML-based system, a response to an authorization request
+ * carries not just the permit/deny decision but, optionally, supplemental information in the form of advice and
+ * obligation elements.  The structure of a XACML advice element and a XACML obligation element are similar: each has an identifier and
+ * a set of attributes (name-value) pairs.  (The difference between a XACML advice element and a XACML obligation element is in
+ * how the recipient of the response--the Policy Enforcement Point, in XACML terminology--handles the element.)
+ * 
+ * @author J. F. Lucas
+ *
+ */
+public interface AuthorizationResponseSupplement {
+	/** Return the identifier for the supplementary information element.
+	 * 
+	 * @return a <code>String</code> containing the identifier.
+	 */
+	public String getId();
+	
+	/** Return the attributes for the supplementary information element, as a <code>Map</code> in which
+	 * keys represent attribute identifiers and values represent attribute values.
+	 * 
+	 * @return attributes for the supplementary information element.
+	 */
+	public Map<String, String> getAttributes();
+}