--- a/jdk/src/java.httpclient/share/classes/java/net/http/HttpHeadersImpl.java	Thu Dec 08 21:22:02 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,107 +0,0 @@
-/*
- * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code 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
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package java.net.http;
-
-import java.util.Collections;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-import java.util.Set;
-import java.util.TreeMap;
-
-/**
- * Implementation of HttpHeaders.
- */
-class HttpHeadersImpl implements HttpHeaders {
-
-    private final TreeMap<String,List<String>> headers;
-
-    public HttpHeadersImpl() {
-        headers = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
-    }
-
-    @Override
-    public Optional<String> firstValue(String name) {
-        List<String> l = headers.get(name);
-        return Optional.ofNullable(l == null ? null : l.get(0));
-    }
-
-    @Override
-    public List<String> allValues(String name) {
-        return headers.get(name);
-    }
-
-    @Override
-    public Map<String, List<String>> map() {
-        return Collections.unmodifiableMap(headers);
-    }
-
-    Map<String, List<String>> directMap() {
-        return headers;
-    }
-
-    // package private mutators
-
-    public HttpHeadersImpl deepCopy() {
-        HttpHeadersImpl h1 = new HttpHeadersImpl();
-        TreeMap<String,List<String>> headers1 = h1.headers;
-        Set<String> keys = headers.keySet();
-        for (String key : keys) {
-            List<String> vals = headers.get(key);
-            LinkedList<String> vals1 = new LinkedList<>(vals);
-            headers1.put(key, vals1);
-        }
-        return h1;
-    }
-
-    void addHeader(String name, String value) {
-        headers.computeIfAbsent(name, k -> new LinkedList<>())
-               .add(value);
-    }
-
-    void setHeader(String name, String value) {
-        List<String> l = headers.computeIfAbsent(name, k -> new LinkedList<>());
-        l.clear();
-        l.add(value);
-    }
-
-    @Override
-    public Optional<Long> firstValueAsLong(String name) {
-        List<String> l = headers.get(name);
-        if (l == null) {
-            return Optional.empty();
-        } else {
-            String v = l.get(0);
-            Long lv = Long.parseLong(v);
-            return Optional.of(lv);
-        }
-    }
-
-    void clear() {
-        headers.clear();
-    }
-}
\ No newline at end of file