--- old/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/parser/ParserContextNode.java	2020-04-15 18:49:30.000000000 +0530
+++ /dev/null	2020-04-15 18:49:30.000000000 +0530
@@ -1,67 +0,0 @@
-/*
- * Copyright (c) 2014, 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 jdk.nashorn.internal.parser;
-
-import java.util.List;
-import jdk.nashorn.internal.ir.Statement;
-
-/**
- * Used for keeping state when needed in the parser.
- */
-interface ParserContextNode {
-    /**
-     * @return The flags for this node
-     */
-    public int getFlags();
-
-    /**
-     * @param flag The flag to set
-     * @return All current flags after update
-     */
-    public int setFlag(final int flag);
-
-    /**
-     * @return The list of statements that belongs to this node
-     */
-    public List<Statement> getStatements();
-
-    /**
-     * @param statements The statement list
-     */
-    public void setStatements(final List<Statement> statements);
-
-    /**
-     * Adds a statement at the end of the statement list
-     * @param statement The statement to add
-     */
-    public void appendStatement(final Statement statement);
-
-    /**
-     * Adds a statement at the beginning of the statement list
-     * @param statement The statement to add
-     */
-    public void prependStatement(final Statement statement);
-
-}