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diff --git a/intl/icu/source/i18n/nultrans.h b/intl/icu/source/i18n/nultrans.h
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+++ b/intl/icu/source/i18n/nultrans.h
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+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+**********************************************************************
+*   Copyright (c) 2000-2007, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+**********************************************************************
+*   Date        Name        Description
+*   01/11/2000  aliu        Creation.
+**********************************************************************
+*/
+#ifndef NULTRANS_H
+#define NULTRANS_H
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_TRANSLITERATION
+
+#include "unicode/translit.h"
+
+U_NAMESPACE_BEGIN
+
+/**
+ * A transliterator that leaves text unchanged.
+ * @author Alan Liu
+ * @internal Use transliterator factory methods instead since this class will be removed in that release.
+ */
+class NullTransliterator : public Transliterator {
+
+public:
+
+    /**
+     * Constructs a transliterator.
+     * @internal Use transliterator factory methods instead since this class will be removed in that release.
+     */
+    NullTransliterator();
+
+    /**
+     * Destructor.
+     * @internal Use transliterator factory methods instead since this class will be removed in that release.
+     */
+    virtual ~NullTransliterator();
+
+    /**
+     * Transliterator API.
+     * @internal Use transliterator factory methods instead since this class will be removed in that release.
+     */
+    virtual NullTransliterator* clone() const;
+
+    /**
+     * Implements {@link Transliterator#handleTransliterate}.
+     * @internal Use transliterator factory methods instead since this class will be removed in that release.
+     */
+    virtual void handleTransliterate(Replaceable& text, UTransPosition& offset,
+                                     UBool isIncremental) const;
+
+    /**
+     * ICU "poor man's RTTI", returns a UClassID for the actual class.
+     */
+    virtual UClassID getDynamicClassID() const;
+
+    /**
+     * ICU "poor man's RTTI", returns a UClassID for this class.
+     */
+    U_I18N_API static UClassID U_EXPORT2 getStaticClassID();
+
+};
+
+U_NAMESPACE_END
+
+#endif /* #if !UCONFIG_NO_TRANSLITERATION */
+
+#endif