--- /dev/null	2019-06-07 20:25:48.603619976 +0000
+++ new/src/java.xml/share/classes/com/sun/org/apache/bcel/internal/classfile/ModuleRequires.java	2020-01-16 18:05:10.415951331 +0000
@@ -0,0 +1,118 @@
+/*
+ * reserved comment block
+ * DO NOT REMOVE OR ALTER!
+ */
+/*
+ * 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 com.sun.org.apache.bcel.internal.classfile;
+
+import java.io.DataInput;
+import java.io.DataOutputStream;
+import java.io.IOException;
+
+import com.sun.org.apache.bcel.internal.Const;
+
+/**
+ * This class represents an entry in the requires table of the Module attribute.
+ * Each entry describes a module on which the parent module depends.
+ *
+ * @see   Module
+ * @since 6.4.0
+ */
+public final class ModuleRequires implements Cloneable, Node {
+
+    private final int requires_index;  // points to CONSTANT_Module_info
+    private final int requires_flags;
+    private final int requires_version_index;  // either 0 or points to CONSTANT_Utf8_info
+
+
+    /**
+     * Construct object from file stream.
+     *
+     * @param file Input stream
+     * @throws IOException if an I/O Exception occurs in readUnsignedShort
+     */
+    ModuleRequires(final DataInput file) throws IOException {
+        requires_index = file.readUnsignedShort();
+        requires_flags = file.readUnsignedShort();
+        requires_version_index = file.readUnsignedShort();
+    }
+
+
+    /**
+     * Called by objects that are traversing the nodes of the tree implicitely
+     * defined by the contents of a Java class. I.e., the hierarchy of methods,
+     * fields, attributes, etc. spawns a tree of objects.
+     *
+     * @param v Visitor object
+     */
+    @Override
+    public void accept( final Visitor v ) {
+        v.visitModuleRequires(this);
+    }
+
+    // TODO add more getters and setters?
+
+    /**
+     * Dump table entry to file stream in binary format.
+     *
+     * @param file Output file stream
+     * @throws IOException if an I/O Exception occurs in writeShort
+     */
+    public void dump( final DataOutputStream file ) throws IOException {
+        file.writeShort(requires_index);
+        file.writeShort(requires_flags);
+        file.writeShort(requires_version_index);
+    }
+
+
+    /**
+     * @return String representation
+     */
+    @Override
+    public String toString() {
+        return "requires(" + requires_index + ", " + String.format("%04x", requires_flags) + ", " + requires_version_index + ")";
+    }
+
+
+    /**
+     * @return Resolved string representation
+     */
+    public String toString( final ConstantPool constant_pool ) {
+        final StringBuilder buf = new StringBuilder();
+        final String module_name = constant_pool.constantToString(requires_index, Const.CONSTANT_Module);
+        buf.append(Utility.compactClassName(module_name, false));
+        buf.append(", ").append(String.format("%04x", requires_flags));
+        final String version = requires_version_index == 0 ? "0" : constant_pool.getConstantString(requires_version_index, Const.CONSTANT_Utf8);
+        buf.append(", ").append(version);
+        return buf.toString();
+    }
+
+
+    /**
+     * @return deep copy of this object
+     */
+    public ModuleRequires copy() {
+        try {
+            return (ModuleRequires) clone();
+        } catch (final CloneNotSupportedException e) {
+            // TODO should this throw?
+        }
+        return null;
+    }
+}