--- /dev/null	2016-07-22 23:16:18.638958907 -0700
+++ new/src/java.xml/share/classes/com/sun/xml/internal/stream/writers/XMLStreamWriterBase.java	2016-10-07 08:56:24.760462352 -0700
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 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 com.sun.xml.internal.stream.writers;
+
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamWriter;
+
+/**
+ * Base class for shared methods among XMLStreamWriter implementations.
+ */
+public interface XMLStreamWriterBase extends XMLStreamWriter {
+    /**
+     * Writes the XML declaration.
+     *
+     * @param encoding the specified encoding
+     * @param version the specified version
+     * @param standalone the flag indicating whether it is standalone
+     * @param standaloneSet the flag indicating whether the standalone attribute is set
+     * @throws XMLStreamException in case of an IOException
+     */
+    public void writeStartDocument(String encoding, String version,
+            boolean standalone, boolean standaloneSet)
+            throws XMLStreamException;
+}