diff --git a/java/io/ByteArrayOutputStream.annotated.java b/java/io/ByteArrayOutputStream.annotated.java
new file mode 100644
index 0000000..3fdca11
--- /dev/null
+++ b/java/io/ByteArrayOutputStream.annotated.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 1994, 2013, 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.io;
+
+
+@SuppressWarnings({"unchecked", "deprecation", "all"})
+public class ByteArrayOutputStream extends java.io.OutputStream {
+
+public ByteArrayOutputStream() { throw new RuntimeException("Stub!"); }
+
+public ByteArrayOutputStream(int size) { throw new RuntimeException("Stub!"); }
+
+public synchronized void write(int b) { throw new RuntimeException("Stub!"); }
+
+public synchronized void write(byte @libcore.util.NonNull [] b, int off, int len) { throw new RuntimeException("Stub!"); }
+
+public synchronized void writeTo(@libcore.util.NonNull java.io.OutputStream out) throws java.io.IOException { throw new RuntimeException("Stub!"); }
+
+public synchronized void reset() { throw new RuntimeException("Stub!"); }
+
+public synchronized byte @libcore.util.NonNull [] toByteArray() { throw new RuntimeException("Stub!"); }
+
+public synchronized int size() { throw new RuntimeException("Stub!"); }
+
+@libcore.util.NonNull public synchronized java.lang.String toString() { throw new RuntimeException("Stub!"); }
+
+@libcore.util.NonNull public synchronized java.lang.String toString(@libcore.util.NonNull java.lang.String charsetName) throws java.io.UnsupportedEncodingException { throw new RuntimeException("Stub!"); }
+
+@Deprecated
+@libcore.util.NonNull public synchronized java.lang.String toString(int hibyte) { throw new RuntimeException("Stub!"); }
+
+public void close() throws java.io.IOException { throw new RuntimeException("Stub!"); }
+
+protected byte @libcore.util.NonNull [] buf;
+
+protected int count;
+}