don't export pg_wrapper in opensource build yet

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diff --git a/contrib/libs/icu/include/unicode/ureldatefmt.h b/contrib/libs/icu/include/unicode/ureldatefmt.h
deleted file mode 100644
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--- a/contrib/libs/icu/include/unicode/ureldatefmt.h
+++ /dev/null
@@ -1,507 +0,0 @@
-// © 2016 and later: Unicode, Inc. and others.
-// License & terms of use: http://www.unicode.org/copyright.html
-/*
-*****************************************************************************************
-* Copyright (C) 2016, International Business Machines
-* Corporation and others. All Rights Reserved.
-*****************************************************************************************
-*/
-
-#ifndef URELDATEFMT_H
-#define URELDATEFMT_H
-
-#include "unicode/utypes.h"
-
-#if !UCONFIG_NO_FORMATTING && !UCONFIG_NO_BREAK_ITERATION
-
-#include "unicode/unum.h"
-#include "unicode/udisplaycontext.h"
-#include "unicode/localpointer.h"
-#include "unicode/uformattedvalue.h"
-
-/**
- * \file
- * \brief C API: URelativeDateTimeFormatter, relative date formatting of unit + numeric offset.
- *
- * Provides simple formatting of relative dates, in two ways
- * <ul>
- *   <li>relative dates with a quantity e.g "in 5 days"</li>
- *   <li>relative dates without a quantity e.g "next Tuesday"</li>
- * </ul>
- * <p>
- * This does not provide compound formatting for multiple units,
- * other than the ability to combine a time string with a relative date,
- * as in "next Tuesday at 3:45 PM". It also does not provide support
- * for determining which unit to use, such as deciding between "in 7 days"
- * and "in 1 week".
- *
- * @stable ICU 57
- */
-
-/**
- * The formatting style
- * @stable ICU 54
- */
-typedef enum UDateRelativeDateTimeFormatterStyle {
-  /**
-   * Everything spelled out.
-   * @stable ICU 54
-   */
-  UDAT_STYLE_LONG,
-
-  /**
-   * Abbreviations used when possible.
-   * @stable ICU 54
-   */
-  UDAT_STYLE_SHORT,
-
-  /**
-   * Use the shortest possible form.
-   * @stable ICU 54
-   */
-  UDAT_STYLE_NARROW,
-
-#ifndef U_HIDE_DEPRECATED_API
-    /**
-     * One more than the highest normal UDateRelativeDateTimeFormatterStyle value.
-     * @deprecated ICU 58 The numeric value may change over time, see ICU ticket #12420.
-     */
-    UDAT_STYLE_COUNT
-#endif  /* U_HIDE_DEPRECATED_API */
-} UDateRelativeDateTimeFormatterStyle;
-
-/**
- * Represents the unit for formatting a relative date. e.g "in 5 days"
- * or "next year"
- * @stable ICU 57
- */
-typedef enum URelativeDateTimeUnit {
-    /**
-     * Specifies that relative unit is year, e.g. "last year",
-     * "in 5 years". 
-     * @stable ICU 57
-     */
-    UDAT_REL_UNIT_YEAR,
-    /**
-     * Specifies that relative unit is quarter, e.g. "last quarter",
-     * "in 5 quarters".
-     * @stable ICU 57
-     */
-    UDAT_REL_UNIT_QUARTER,
-    /**
-     * Specifies that relative unit is month, e.g. "last month",
-     * "in 5 months".
-     * @stable ICU 57
-     */
-    UDAT_REL_UNIT_MONTH,
-    /**
-     * Specifies that relative unit is week, e.g. "last week",
-     * "in 5 weeks".
-     * @stable ICU 57
-     */
-    UDAT_REL_UNIT_WEEK,
-    /**
-     * Specifies that relative unit is day, e.g. "yesterday",
-     * "in 5 days".
-     * @stable ICU 57
-     */
-    UDAT_REL_UNIT_DAY,
-    /**
-     * Specifies that relative unit is hour, e.g. "1 hour ago",
-     * "in 5 hours".
-     * @stable ICU 57
-     */
-    UDAT_REL_UNIT_HOUR,
-    /**
-     * Specifies that relative unit is minute, e.g. "1 minute ago",
-     * "in 5 minutes".
-     * @stable ICU 57
-     */
-    UDAT_REL_UNIT_MINUTE,
-    /**
-     * Specifies that relative unit is second, e.g. "1 second ago",
-     * "in 5 seconds".
-     * @stable ICU 57
-     */
-    UDAT_REL_UNIT_SECOND,
-    /**
-     * Specifies that relative unit is Sunday, e.g. "last Sunday",
-     * "this Sunday", "next Sunday", "in 5 Sundays".
-     * @stable ICU 57
-     */
-    UDAT_REL_UNIT_SUNDAY,
-    /**
-     * Specifies that relative unit is Monday, e.g. "last Monday",
-     * "this Monday", "next Monday", "in 5 Mondays".
-     * @stable ICU 57
-     */
-    UDAT_REL_UNIT_MONDAY,
-    /**
-     * Specifies that relative unit is Tuesday, e.g. "last Tuesday",
-     * "this Tuesday", "next Tuesday", "in 5 Tuesdays".
-     * @stable ICU 57
-     */
-    UDAT_REL_UNIT_TUESDAY,
-    /**
-     * Specifies that relative unit is Wednesday, e.g. "last Wednesday",
-     * "this Wednesday", "next Wednesday", "in 5 Wednesdays".
-     * @stable ICU 57
-     */
-    UDAT_REL_UNIT_WEDNESDAY,
-    /**
-     * Specifies that relative unit is Thursday, e.g. "last Thursday",
-     * "this Thursday", "next Thursday", "in 5 Thursdays". 
-     * @stable ICU 57
-     */
-    UDAT_REL_UNIT_THURSDAY,
-    /**
-     * Specifies that relative unit is Friday, e.g. "last Friday",
-     * "this Friday", "next Friday", "in 5 Fridays".
-     * @stable ICU 57
-     */
-    UDAT_REL_UNIT_FRIDAY,
-    /**
-     * Specifies that relative unit is Saturday, e.g. "last Saturday",
-     * "this Saturday", "next Saturday", "in 5 Saturdays".
-     * @stable ICU 57
-     */
-    UDAT_REL_UNIT_SATURDAY,
-#ifndef U_HIDE_DEPRECATED_API
-    /**
-     * One more than the highest normal URelativeDateTimeUnit value.
-     * @deprecated ICU 58 The numeric value may change over time, see ICU ticket #12420.
-     */
-    UDAT_REL_UNIT_COUNT
-#endif  /* U_HIDE_DEPRECATED_API */
-} URelativeDateTimeUnit;
-
-/**
- * FieldPosition and UFieldPosition selectors for format fields
- * defined by RelativeDateTimeFormatter.
- * @stable ICU 64
- */
-typedef enum URelativeDateTimeFormatterField {
-    /**
-     * Represents a literal text string, like "tomorrow" or "days ago".
-     * @stable ICU 64
-     */
-    UDAT_REL_LITERAL_FIELD,
-    /**
-     * Represents a number quantity, like "3" in "3 days ago".
-     * @stable ICU 64
-     */
-    UDAT_REL_NUMERIC_FIELD,
-} URelativeDateTimeFormatterField;
-
-
-/**
- * Opaque URelativeDateTimeFormatter object for use in C programs.
- * @stable ICU 57
- */
-struct URelativeDateTimeFormatter;
-typedef struct URelativeDateTimeFormatter URelativeDateTimeFormatter;  /**< C typedef for struct URelativeDateTimeFormatter. @stable ICU 57 */
-
-
-/**
- * Open a new URelativeDateTimeFormatter object for a given locale using the
- * specified width and capitalizationContext, along with a number formatter
- * (if desired) to override the default formatter that would be used for
- * display of numeric field offsets. The default formatter typically rounds
- * toward 0 and has a minimum of 0 fraction digits and a maximum of 3
- * fraction digits (i.e. it will show as many decimal places as necessary
- * up to 3, without showing trailing 0s).
- *
- * @param locale
- *          The locale
- * @param nfToAdopt
- *          A number formatter to set for this URelativeDateTimeFormatter
- *          object (instead of the default decimal formatter). Ownership of
- *          this UNumberFormat object will pass to the URelativeDateTimeFormatter
- *          object (the URelativeDateTimeFormatter adopts the UNumberFormat),
- *          which becomes responsible for closing it. If the caller wishes to
- *          retain ownership of the UNumberFormat object, the caller must clone
- *          it (with unum_clone) and pass the clone to ureldatefmt_open. May be
- *          NULL to use the default decimal formatter.
- * @param width
- *          The width - wide, short, narrow, etc.
- * @param capitalizationContext
- *          A value from UDisplayContext that pertains to capitalization, e.g.
- *          UDISPCTX_CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE.
- * @param status
- *          A pointer to a UErrorCode to receive any errors.
- * @return
- *          A pointer to a URelativeDateTimeFormatter object for the specified locale,
- *          or NULL if an error occurred.
- * @stable ICU 57
- */
-U_STABLE URelativeDateTimeFormatter* U_EXPORT2
-ureldatefmt_open( const char*          locale,
-                  UNumberFormat*       nfToAdopt,
-                  UDateRelativeDateTimeFormatterStyle width,
-                  UDisplayContext      capitalizationContext,
-                  UErrorCode*          status );
-
-/**
- * Close a URelativeDateTimeFormatter object. Once closed it may no longer be used.
- * @param reldatefmt
- *            The URelativeDateTimeFormatter object to close.
- * @stable ICU 57
- */
-U_STABLE void U_EXPORT2
-ureldatefmt_close(URelativeDateTimeFormatter *reldatefmt);
-
-struct UFormattedRelativeDateTime;
-/**
- * Opaque struct to contain the results of a URelativeDateTimeFormatter operation.
- * @stable ICU 64
- */
-typedef struct UFormattedRelativeDateTime UFormattedRelativeDateTime;
-
-/**
- * Creates an object to hold the result of a URelativeDateTimeFormatter
- * operation. The object can be used repeatedly; it is cleared whenever
- * passed to a format function.
- *
- * @param ec Set if an error occurs.
- * @return A pointer needing ownership.
- * @stable ICU 64
- */
-U_STABLE UFormattedRelativeDateTime* U_EXPORT2
-ureldatefmt_openResult(UErrorCode* ec);
-
-/**
- * Returns a representation of a UFormattedRelativeDateTime as a UFormattedValue,
- * which can be subsequently passed to any API requiring that type.
- *
- * The returned object is owned by the UFormattedRelativeDateTime and is valid
- * only as long as the UFormattedRelativeDateTime is present and unchanged in memory.
- *
- * You can think of this method as a cast between types.
- *
- * @param ufrdt The object containing the formatted string.
- * @param ec Set if an error occurs.
- * @return A UFormattedValue owned by the input object.
- * @stable ICU 64
- */
-U_STABLE const UFormattedValue* U_EXPORT2
-ureldatefmt_resultAsValue(const UFormattedRelativeDateTime* ufrdt, UErrorCode* ec);
-
-/**
- * Releases the UFormattedRelativeDateTime created by ureldatefmt_openResult.
- *
- * @param ufrdt The object to release.
- * @stable ICU 64
- */
-U_STABLE void U_EXPORT2
-ureldatefmt_closeResult(UFormattedRelativeDateTime* ufrdt);
-
-
-#if U_SHOW_CPLUSPLUS_API
-
-U_NAMESPACE_BEGIN
-
-/**
- * \class LocalURelativeDateTimeFormatterPointer
- * "Smart pointer" class, closes a URelativeDateTimeFormatter via ureldatefmt_close().
- * For most methods see the LocalPointerBase base class.
- *
- * @see LocalPointerBase
- * @see LocalPointer
- * @stable ICU 57
- */
-U_DEFINE_LOCAL_OPEN_POINTER(LocalURelativeDateTimeFormatterPointer, URelativeDateTimeFormatter, ureldatefmt_close);
-
-/**
- * \class LocalUFormattedRelativeDateTimePointer
- * "Smart pointer" class, closes a UFormattedRelativeDateTime via ureldatefmt_closeResult().
- * For most methods see the LocalPointerBase base class.
- *
- * @see LocalPointerBase
- * @see LocalPointer
- * @stable ICU 64
- */
-U_DEFINE_LOCAL_OPEN_POINTER(LocalUFormattedRelativeDateTimePointer, UFormattedRelativeDateTime, ureldatefmt_closeResult);
-
-U_NAMESPACE_END
-
-#endif
-
-/**
- * Format a combination of URelativeDateTimeUnit and numeric
- * offset using a numeric style, e.g. "1 week ago", "in 1 week",
- * "5 weeks ago", "in 5 weeks".
- *
- * @param reldatefmt
- *          The URelativeDateTimeFormatter object specifying the
- *          format conventions.
- * @param offset
- *          The signed offset for the specified unit. This will
- *          be formatted according to this object's UNumberFormat
- *          object.
- * @param unit
- *          The unit to use when formatting the relative
- *          date, e.g. UDAT_REL_UNIT_WEEK, UDAT_REL_UNIT_FRIDAY.
- * @param result
- *          A pointer to a buffer to receive the formatted result.
- * @param resultCapacity
- *          The maximum size of result.
- * @param status
- *          A pointer to a UErrorCode to receive any errors. In
- *          case of error status, the contents of result are
- *          undefined.
- * @return
- *          The length of the formatted result; may be greater
- *          than resultCapacity, in which case an error is returned.
- * @stable ICU 57
- */
-U_STABLE int32_t U_EXPORT2
-ureldatefmt_formatNumeric( const URelativeDateTimeFormatter* reldatefmt,
-                    double                offset,
-                    URelativeDateTimeUnit unit,
-                    UChar*                result,
-                    int32_t               resultCapacity,
-                    UErrorCode*           status);
-
-/**
- * Format a combination of URelativeDateTimeUnit and numeric
- * offset using a numeric style, e.g. "1 week ago", "in 1 week",
- * "5 weeks ago", "in 5 weeks".
- *
- * @param reldatefmt
- *          The URelativeDateTimeFormatter object specifying the
- *          format conventions.
- * @param offset
- *          The signed offset for the specified unit. This will
- *          be formatted according to this object's UNumberFormat
- *          object.
- * @param unit
- *          The unit to use when formatting the relative
- *          date, e.g. UDAT_REL_UNIT_WEEK, UDAT_REL_UNIT_FRIDAY.
- * @param result
- *          A pointer to a UFormattedRelativeDateTime to populate.
- * @param status
- *          A pointer to a UErrorCode to receive any errors. In
- *          case of error status, the contents of result are
- *          undefined.
- * @stable ICU 64
- */
-U_STABLE void U_EXPORT2
-ureldatefmt_formatNumericToResult(
-    const URelativeDateTimeFormatter* reldatefmt,
-    double                            offset,
-    URelativeDateTimeUnit             unit,
-    UFormattedRelativeDateTime*       result,
-    UErrorCode*                       status);
-
-/**
- * Format a combination of URelativeDateTimeUnit and numeric offset
- * using a text style if possible, e.g. "last week", "this week",
- * "next week", "yesterday", "tomorrow". Falls back to numeric
- * style if no appropriate text term is available for the specified
- * offset in the object's locale.
- *
- * @param reldatefmt
- *          The URelativeDateTimeFormatter object specifying the
- *          format conventions.
- * @param offset
- *          The signed offset for the specified unit.
- * @param unit
- *          The unit to use when formatting the relative
- *          date, e.g. UDAT_REL_UNIT_WEEK, UDAT_REL_UNIT_FRIDAY.
- * @param result
- *          A pointer to a buffer to receive the formatted result.
- * @param resultCapacity
- *          The maximum size of result.
- * @param status
- *          A pointer to a UErrorCode to receive any errors. In
- *          case of error status, the contents of result are
- *          undefined.
- * @return
- *          The length of the formatted result; may be greater
- *          than resultCapacity, in which case an error is returned.
- * @stable ICU 57
- */
-U_STABLE int32_t U_EXPORT2
-ureldatefmt_format( const URelativeDateTimeFormatter* reldatefmt,
-                    double                offset,
-                    URelativeDateTimeUnit unit,
-                    UChar*                result,
-                    int32_t               resultCapacity,
-                    UErrorCode*           status);
-
-/**
- * Format a combination of URelativeDateTimeUnit and numeric offset
- * using a text style if possible, e.g. "last week", "this week",
- * "next week", "yesterday", "tomorrow". Falls back to numeric
- * style if no appropriate text term is available for the specified
- * offset in the object's locale.
- *
- * This method populates a UFormattedRelativeDateTime, which exposes more
- * information than the string populated by format().
- *
- * @param reldatefmt
- *          The URelativeDateTimeFormatter object specifying the
- *          format conventions.
- * @param offset
- *          The signed offset for the specified unit.
- * @param unit
- *          The unit to use when formatting the relative
- *          date, e.g. UDAT_REL_UNIT_WEEK, UDAT_REL_UNIT_FRIDAY.
- * @param result
- *          A pointer to a UFormattedRelativeDateTime to populate.
- * @param status
- *          A pointer to a UErrorCode to receive any errors. In
- *          case of error status, the contents of result are
- *          undefined.
- * @stable ICU 64
- */
-U_STABLE void U_EXPORT2
-ureldatefmt_formatToResult(
-    const URelativeDateTimeFormatter* reldatefmt,
-    double                            offset,
-    URelativeDateTimeUnit             unit,
-    UFormattedRelativeDateTime*       result,
-    UErrorCode*                       status);
-
-/**
- * Combines a relative date string and a time string in this object's
- * locale. This is done with the same date-time separator used for the
- * default calendar in this locale to produce a result such as
- * "yesterday at 3:45 PM".
- *
- * @param reldatefmt
- *          The URelativeDateTimeFormatter object specifying the format conventions.
- * @param relativeDateString
- *          The relative date string.
- * @param relativeDateStringLen
- *          The length of relativeDateString; may be -1 if relativeDateString
- *          is zero-terminated.
- * @param timeString
- *          The time string.
- * @param timeStringLen
- *          The length of timeString; may be -1 if timeString is zero-terminated.
- * @param result
- *          A pointer to a buffer to receive the formatted result.
- * @param resultCapacity
- *          The maximum size of result.
- * @param status
- *          A pointer to a UErrorCode to receive any errors. In case of error status,
- *          the contents of result are undefined.
- * @return
- *          The length of the formatted result; may be greater than resultCapacity,
- *          in which case an error is returned.
- * @stable ICU 57
- */
-U_STABLE int32_t U_EXPORT2
-ureldatefmt_combineDateAndTime( const URelativeDateTimeFormatter* reldatefmt,
-                    const UChar *     relativeDateString,
-                    int32_t           relativeDateStringLen,
-                    const UChar *     timeString,
-                    int32_t           timeStringLen,
-                    UChar*            result,
-                    int32_t           resultCapacity,
-                    UErrorCode*       status );
-
-#endif /* !UCONFIG_NO_FORMATTING && !UCONFIG_NO_BREAK_ITERATION */
-
-#endif