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diff --git a/intl/icu/source/i18n/unicode/tmutfmt.h b/intl/icu/source/i18n/unicode/tmutfmt.h
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+++ b/intl/icu/source/i18n/unicode/tmutfmt.h
@@ -0,0 +1,238 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+ *******************************************************************************
+ * Copyright (C) 2008-2014, Google, International Business Machines Corporation
+ * and others. All Rights Reserved.
+ *******************************************************************************
+ */
+
+#ifndef __TMUTFMT_H__
+#define __TMUTFMT_H__
+
+#include "unicode/utypes.h"
+
+/**
+ * \file
+ * \brief C++ API: Format and parse duration in single time unit
+ */
+
+
+#if U_SHOW_CPLUSPLUS_API
+
+#if !UCONFIG_NO_FORMATTING
+
+#include "unicode/unistr.h"
+#include "unicode/tmunit.h"
+#include "unicode/tmutamt.h"
+#include "unicode/measfmt.h"
+#include "unicode/numfmt.h"
+#include "unicode/plurrule.h"
+
+#ifndef U_HIDE_DEPRECATED_API
+
+/**
+ * Constants for various styles.
+ * There are 2 styles: full name and abbreviated name.
+ * For example, for English, the full name for hour duration is "3 hours",
+ * and the abbreviated name is "3 hrs".
+ * @deprecated ICU 53 Use MeasureFormat and UMeasureFormatWidth instead.
+ */
+enum UTimeUnitFormatStyle {
+    /** @deprecated ICU 53 */
+    UTMUTFMT_FULL_STYLE,
+    /** @deprecated ICU 53 */
+    UTMUTFMT_ABBREVIATED_STYLE,
+    /** @deprecated ICU 53 */
+    UTMUTFMT_FORMAT_STYLE_COUNT
+};
+typedef enum UTimeUnitFormatStyle UTimeUnitFormatStyle; /**< @deprecated ICU 53 */
+
+
+U_NAMESPACE_BEGIN
+
+class Hashtable;
+class UVector;
+
+struct TimeUnitFormatReadSink;
+
+/**
+ * Format or parse a TimeUnitAmount, using plural rules for the units where available.
+ *
+ * <P>
+ * Code Sample:
+ * <pre>
+ *   // create time unit amount instance - a combination of Number and time unit
+ *   UErrorCode status = U_ZERO_ERROR;
+ *   TimeUnitAmount* source = new TimeUnitAmount(2, TimeUnit::UTIMEUNIT_YEAR, status);
+ *   // create time unit format instance
+ *   TimeUnitFormat* format = new TimeUnitFormat(Locale("en"), status);
+ *   // format a time unit amount
+ *   UnicodeString formatted;
+ *   Formattable formattable;
+ *   if (U_SUCCESS(status)) {
+ *       formattable.adoptObject(source);
+ *       formatted = ((Format*)format)->format(formattable, formatted, status);
+ *       Formattable result;
+ *       ((Format*)format)->parseObject(formatted, result, status);
+ *       if (U_SUCCESS(status)) {
+ *           assert (result == formattable);
+ *       }
+ *   }
+ * </pre>
+ *
+ * <P>
+ * @see TimeUnitAmount
+ * @see TimeUnitFormat
+ * @deprecated ICU 53 Use the MeasureFormat class instead.
+ */
+class U_I18N_API TimeUnitFormat: public MeasureFormat {
+public:
+
+    /**
+     * Create TimeUnitFormat with default locale, and full name style.
+     * Use setLocale and/or setFormat to modify.
+     * @deprecated ICU 53
+     */
+    TimeUnitFormat(UErrorCode& status);
+
+    /**
+     * Create TimeUnitFormat given locale, and full name style.
+     * @deprecated ICU 53
+     */
+    TimeUnitFormat(const Locale& locale, UErrorCode& status);
+
+    /**
+     * Create TimeUnitFormat given locale and style.
+     * @deprecated ICU 53
+     */
+    TimeUnitFormat(const Locale& locale, UTimeUnitFormatStyle style, UErrorCode& status);
+
+    /**
+     * Copy constructor.
+     * @deprecated ICU 53
+     */
+    TimeUnitFormat(const TimeUnitFormat&);
+
+    /**
+     * deconstructor
+     * @deprecated ICU 53
+     */
+    virtual ~TimeUnitFormat();
+
+    /**
+     * Clone this Format object polymorphically. The caller owns the result and
+     * should delete it when done.
+     * @return    A copy of the object.
+     * @deprecated ICU 53
+     */
+    virtual TimeUnitFormat* clone() const override;
+
+    /**
+     * Assignment operator
+     * @deprecated ICU 53
+     */
+    TimeUnitFormat& operator=(const TimeUnitFormat& other);
+
+    /**
+     * Set the locale used for formatting or parsing.
+     * @param locale  the locale to be set
+     * @param status  output param set to success/failure code on exit
+     * @deprecated ICU 53
+     */
+    void setLocale(const Locale& locale, UErrorCode& status);
+
+
+    /**
+     * Set the number format used for formatting or parsing.
+     * @param format  the number formatter to be set
+     * @param status  output param set to success/failure code on exit
+     * @deprecated ICU 53
+     */
+    void setNumberFormat(const NumberFormat& format, UErrorCode& status);
+
+    /**
+     * Parse a TimeUnitAmount.
+     * @see Format#parseObject(const UnicodeString&, Formattable&, ParsePosition&) const;
+     * @deprecated ICU 53
+     */
+    virtual void parseObject(const UnicodeString& source,
+                             Formattable& result,
+                             ParsePosition& pos) const override;
+
+    /**
+     * Return the class ID for this class. This is useful only for comparing to
+     * a return value from getDynamicClassID(). For example:
+     * <pre>
+     * .   Base* polymorphic_pointer = createPolymorphicObject();
+     * .   if (polymorphic_pointer->getDynamicClassID() ==
+     * .       erived::getStaticClassID()) ...
+     * </pre>
+     * @return          The class ID for all objects of this class.
+     * @deprecated ICU 53
+     */
+    static UClassID U_EXPORT2 getStaticClassID(void);
+
+    /**
+     * Returns a unique class ID POLYMORPHICALLY. Pure virtual override. This
+     * method is to implement a simple version of RTTI, since not all C++
+     * compilers support genuine RTTI. Polymorphic operator==() and clone()
+     * methods call this method.
+     *
+     * @return          The class ID for this object. All objects of a
+     *                  given class have the same class ID.  Objects of
+     *                  other classes have different class IDs.
+     * @deprecated ICU 53
+     */
+    virtual UClassID getDynamicClassID(void) const override;
+
+private:
+    Hashtable*    fTimeUnitToCountToPatterns[TimeUnit::UTIMEUNIT_FIELD_COUNT];
+    UTimeUnitFormatStyle fStyle;
+
+    void create(UTimeUnitFormatStyle style, UErrorCode& status);
+
+    // it might actually be simpler to make them Decimal Formats later.
+    // initialize all private data members
+    void setup(UErrorCode& status);
+
+    // initialize data member without fill in data for fTimeUnitToCountToPattern
+    void initDataMembers(UErrorCode& status);
+
+    // initialize fTimeUnitToCountToPatterns from current locale's resource.
+    void readFromCurrentLocale(UTimeUnitFormatStyle style, const char* key, const UVector& pluralCounts,
+                               UErrorCode& status);
+
+    // check completeness of fTimeUnitToCountToPatterns against all time units,
+    // and all plural rules, fill in fallback as necessary.
+    void checkConsistency(UTimeUnitFormatStyle style, const char* key, UErrorCode& status);
+
+    // fill in fTimeUnitToCountToPatterns from locale fall-back chain
+    void searchInLocaleChain(UTimeUnitFormatStyle style, const char* key, const char* localeName,
+                             TimeUnit::UTimeUnitFields field, const UnicodeString&,
+                             const char*, Hashtable*, UErrorCode&);
+
+    // initialize hash table
+    Hashtable* initHash(UErrorCode& status);
+
+    // delete hash table
+    void deleteHash(Hashtable* htable);
+
+    // copy hash table
+    void copyHash(const Hashtable* source, Hashtable* target, UErrorCode& status);
+    // get time unit name, such as "year", from time unit field enum, such as
+    // UTIMEUNIT_YEAR.
+    static const char* getTimeUnitName(TimeUnit::UTimeUnitFields field, UErrorCode& status);
+
+    friend struct TimeUnitFormatReadSink;
+};
+
+U_NAMESPACE_END
+
+#endif /* U_HIDE_DEPRECATED_API */
+#endif /* #if !UCONFIG_NO_FORMATTING */
+
+#endif /* U_SHOW_CPLUSPLUS_API */
+
+#endif // __TMUTFMT_H__
+//eof