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diff --git a/src/org/apache/http/HeaderElementIterator.java b/src/org/apache/http/HeaderElementIterator.java
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+/*
+ * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/HeaderElementIterator.java $
+ * $Revision: 584542 $
+ * $Date: 2007-10-14 06:29:34 -0700 (Sun, 14 Oct 2007) $
+ *
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.http;
+
+import java.util.Iterator;
+
+/**
+ * A type-safe iterator for {@link HeaderElement HeaderElement} objects.
+ * 
+ * @version $Revision: 584542 $
+ */
+public interface HeaderElementIterator extends Iterator {
+    
+    /**
+     * Indicates whether there is another header element in this 
+     * iteration.
+     *
+     * @return  <code>true</code> if there is another header element,
+     *          <code>false</code> otherwise
+     */
+    boolean hasNext();
+    
+    /**
+     * Obtains the next header element from this iteration.
+     * This method should only be called while {@link #hasNext hasNext}
+     * is true.
+     *
+     * @return  the next header element in this iteration
+     */
+    HeaderElement nextElement();
+    
+}