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diff --git a/luni/src/main/java/javax/sql/RowSetWriter.java b/luni/src/main/java/javax/sql/RowSetWriter.java
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+/* 
+ * 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.
+ */
+
+package javax.sql;
+
+import java.sql.SQLException;
+
+/**
+ * An interface which provides functionality for a disconnected {@code RowSet}
+ * to put data updates back to the data source from which the {@code RowSet} was
+ * originally populated. An object implementing this interface is called a
+ * writer.
+ * <p>
+ * The writer must establish a connection to the {@code RowSet}'s database
+ * before writing the data. The {@code RowSet} calling this interface must
+ * implement the {@code RowSetInternal} interface.
+ * <p>
+ * The writer may encounter a situation where the updated data needs to be
+ * written back to the database, but has already been updated there in the mean
+ * time. How a conflict of this kind is handled is determined by the
+ * implementation of this writer.
+ *
+ * @see RowSetInternal
+ */
+public interface RowSetWriter {
+
+    /**
+     * Writes changes made in the {@code RowSet}, which is associated with this
+     * {@code RowSetWriter}, back to the database.
+     * 
+     * @param theRowSet
+     *            a row set that fulfills the following criteria:
+     *            <ul>
+     *            <li>it must implement the {@code RowSetInternal} interface,</li>
+     *            <li>have this {@code RowSetWriter} registered with it,</li>
+     *            <li>must call this method internally.</li>
+     *            </ul>
+     * @return {@code true} if the modified data was written, {@code false}
+     *         otherwise (which typically implies some form of conflict).
+     * @throws SQLException
+     *             if a problem occurs accessing the database.
+     */
+    public boolean writeData(RowSetInternal theRowSet) throws SQLException;
+}