--- old/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/arrays/ArrayFilter.java	2020-04-15 18:50:22.000000000 +0530
+++ /dev/null	2020-04-15 18:50:22.000000000 +0530
@@ -1,203 +0,0 @@
-/*
- * Copyright (c) 2010, 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 jdk.nashorn.internal.runtime.arrays;
-
-import jdk.nashorn.internal.codegen.types.Type;
-import jdk.nashorn.internal.runtime.ScriptRuntime;
-import jdk.nashorn.internal.runtime.Undefined;
-import jdk.nashorn.internal.runtime.linker.Bootstrap;
-
-/**
- * Base class for array filters. Implements all core routines so that the
- * filter only has to implement those needed.
- */
-abstract class ArrayFilter extends ArrayData {
-    /** Underlying array. */
-    protected ArrayData underlying;
-
-    ArrayFilter(final ArrayData underlying) {
-        super(underlying.length());
-        this.underlying = underlying;
-    }
-
-    /**
-     * Get the underlying {@link ArrayData} that this filter wraps
-     * @return array data
-     */
-    protected ArrayData getUnderlying() {
-        return underlying;
-    }
-
-    @Override
-    public void setLength(final long length) {
-        super.setLength(length);
-        underlying.setLength(length);
-    }
-
-    @Override
-    public Object[] asObjectArray() {
-        return underlying.asObjectArray();
-    }
-
-    @Override
-    public Object asArrayOfType(final Class<?> componentType) {
-        return underlying.asArrayOfType(componentType);
-    }
-
-    @Override
-    public ArrayData shiftLeft(final int by) {
-        underlying.shiftLeft(by);
-        setLength(underlying.length());
-        return this;
-    }
-
-    @Override
-    public ArrayData shiftRight(final int by) {
-        underlying = underlying.shiftRight(by);
-        setLength(underlying.length());
-        return this;
-    }
-
-    @Override
-    public ArrayData ensure(final long safeIndex) {
-        underlying = underlying.ensure(safeIndex);
-        setLength(underlying.length());
-        return this;
-    }
-
-    @Override
-    public ArrayData shrink(final long newLength) {
-        underlying = underlying.shrink(newLength);
-        setLength(underlying.length());
-        return this;
-    }
-
-    @Override
-    public ArrayData set(final int index, final Object value, final boolean strict) {
-        underlying = underlying.set(index, value, strict);
-        setLength(underlying.length());
-        return this;
-    }
-
-    @Override
-    public ArrayData set(final int index, final int value, final boolean strict) {
-        underlying = underlying.set(index, value, strict);
-        setLength(underlying.length());
-        return this;
-    }
-
-    @Override
-    public ArrayData set(final int index, final double value, final boolean strict) {
-        underlying = underlying.set(index, value, strict);
-        setLength(underlying.length());
-        return this;
-    }
-
-    @Override
-    public ArrayData setEmpty(final int index) {
-        underlying.setEmpty(index);
-        return this;
-    }
-
-    @Override
-    public ArrayData setEmpty(final long lo, final long hi) {
-        underlying.setEmpty(lo, hi);
-        return this;
-    }
-
-    @Override
-    public Type getOptimisticType() {
-        return underlying.getOptimisticType();
-    }
-
-    @Override
-    public int getInt(final int index) {
-        return underlying.getInt(index);
-    }
-
-    @Override
-    public int getIntOptimistic(final int index, final int programPoint) {
-        return underlying.getIntOptimistic(index, programPoint);
-    }
-
-    @Override
-    public double getDouble(final int index) {
-        return underlying.getDouble(index);
-    }
-
-    @Override
-    public double getDoubleOptimistic(final int index, final int programPoint) {
-        return underlying.getDoubleOptimistic(index, programPoint);
-    }
-
-    @Override
-    public Object getObject(final int index) {
-        return underlying.getObject(index);
-    }
-
-    @Override
-    public boolean has(final int index) {
-        return underlying.has(index);
-    }
-
-    @Override
-    public ArrayData delete(final int index) {
-        underlying = underlying.delete(index);
-        setLength(underlying.length());
-        return this;
-    }
-
-    @Override
-    public ArrayData delete(final long from, final long to) {
-        underlying = underlying.delete(from, to);
-        setLength(underlying.length());
-        return this;
-    }
-
-    @Override
-    public ArrayData convert(final Class<?> type) {
-        underlying = underlying.convert(type);
-        setLength(underlying.length());
-        return this;
-    }
-
-    @Override
-    public Object pop() {
-        final Object value = underlying.pop();
-        setLength(underlying.length());
-        return value;
-    }
-
-    @Override
-    public long nextIndex(final long index) {
-        return underlying.nextIndex(index);
-    }
-
-    static Object convertUndefinedValue(final Class<?> targetType) {
-        return invoke(Bootstrap.getLinkerServices().getTypeConverter(Undefined.class, targetType),
-                ScriptRuntime.UNDEFINED);
-    }
-}