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diff --git a/src/Java/shaded/reflectionfactory/UnsafeQualifiedFieldAccessorImpl.java b/src/Java/shaded/reflectionfactory/UnsafeQualifiedFieldAccessorImpl.java
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+/*
+ * Copyright (c) 2004, 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 shaded.reflectionfactory;
+
+import java.lang.reflect.Field;
+
+/**
+ * Base class for sun.misc.Unsafe-based FieldAccessors for fields with
+ * final or volatile qualifiers. These differ from unqualified
+ * versions in that (1) they check for read-only status (2) they use
+ * the volatile forms of Unsafe get/put methods. (When accessed via
+ * reflection, finals act as slightly "lighter" forms of volatiles. So
+ * the volatile forms are heavier than necessary in terms of
+ * underlying reordering rules and memory barriers, but preserve
+ * correctness.)
+ */
+
+abstract class UnsafeQualifiedFieldAccessorImpl
+    extends UnsafeFieldAccessorImpl
+{
+    protected final boolean isReadOnly;
+
+    UnsafeQualifiedFieldAccessorImpl(Field field, boolean isReadOnly) {
+        super(field);
+        this.isReadOnly = isReadOnly;
+    }
+}