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alphaindex.h	26.48 MB	View DL Edit
appendable.h	8.49 MB	View DL Edit
basictz.h	9.27 MB	View DL Edit
brkiter.h	27.8 MB	View DL Edit
bytestream.h	10.78 MB	View DL Edit
bytestrie.h	20.77 MB	View DL Edit
bytestriebuilder.h	7.08 MB	View DL Edit
calendar.h	105.74 MB	View DL Edit
caniter.h	7.43 MB	View DL Edit
casemap.h	25.33 MB	View DL Edit
char16ptr.h	7.22 MB	View DL Edit
chariter.h	24.05 MB	View DL Edit
choicfmt.h	23.91 MB	View DL Edit
coleitr.h	13.76 MB	View DL Edit
coll.h	56.23 MB	View DL Edit
compactdecimalformat.h	6.88 MB	View DL Edit
curramt.h	3.76 MB	View DL Edit
currpinf.h	7.3 MB	View DL Edit
currunit.h	4 MB	View DL Edit
datefmt.h	40.67 MB	View DL Edit
dbbi.h	1.19 MB	View DL Edit
dcfmtsym.h	20.41 MB	View DL Edit
decimfmt.h	87.19 MB	View DL Edit
docmain.h	6.97 MB	View DL Edit
dtfmtsym.h	37.7 MB	View DL Edit
dtintrv.h	3.84 MB	View DL Edit
dtitvfmt.h	46.52 MB	View DL Edit
dtitvinf.h	18.62 MB	View DL Edit
dtptngen.h	25.8 MB	View DL Edit
dtrule.h	8.68 MB	View DL Edit
edits.h	20.74 MB	View DL Edit
enumset.h	2.08 MB	View DL Edit
errorcode.h	4.84 MB	View DL Edit
fieldpos.h	8.69 MB	View DL Edit
filteredbrk.h	5.37 MB	View DL Edit
fmtable.h	24.42 MB	View DL Edit
format.h	12.5 MB	View DL Edit
formattedvalue.h	9.75 MB	View DL Edit
fpositer.h	3.04 MB	View DL Edit
gender.h	3.33 MB	View DL Edit
gregocal.h	31.71 MB	View DL Edit
icudataver.h	1.03 MB	View DL Edit
icuplug.h	11.88 MB	View DL Edit
idna.h	12.7 MB	View DL Edit
listformatter.h	9.27 MB	View DL Edit
localebuilder.h	11.23 MB	View DL Edit
localematcher.h	24.56 MB	View DL Edit
localpointer.h	19.36 MB	View DL Edit
locdspnm.h	7.12 MB	View DL Edit
locid.h	47.68 MB	View DL Edit
measfmt.h	11.33 MB	View DL Edit
measunit.h	95.28 MB	View DL Edit
measure.h	4.32 MB	View DL Edit
messagepattern.h	33.71 MB	View DL Edit
msgfmt.h	44.11 MB	View DL Edit
normalizer2.h	34.03 MB	View DL Edit
normlzr.h	30.94 MB	View DL Edit
nounit.h	2.69 MB	View DL Edit
numberformatter.h	84.25 MB	View DL Edit
numberrangeformatter.h	27.95 MB	View DL Edit
numfmt.h	49.76 MB	View DL Edit
numsys.h	7.32 MB	View DL Edit
parseerr.h	3.08 MB	View DL Edit
parsepos.h	5.56 MB	View DL Edit
platform.h	28.08 MB	View DL Edit
plurfmt.h	25.2 MB	View DL Edit
plurrule.h	18.34 MB	View DL Edit
ptypes.h	3.49 MB	View DL Edit
putil.h	6.33 MB	View DL Edit
rbbi.h	26.58 MB	View DL Edit
rbnf.h	48.73 MB	View DL Edit
rbtz.h	15.6 MB	View DL Edit
regex.h	84.34 MB	View DL Edit
region.h	9.18 MB	View DL Edit
reldatefmt.h	22.27 MB	View DL Edit
rep.h	9.37 MB	View DL Edit
resbund.h	18.07 MB	View DL Edit
schriter.h	6.32 MB	View DL Edit
scientificnumberformatter.h	6.4 MB	View DL Edit
search.h	22.22 MB	View DL Edit
selfmt.h	14.3 MB	View DL Edit
simpleformatter.h	12.59 MB	View DL Edit
simpletz.h	45.44 MB	View DL Edit
smpdtfmt.h	71.01 MB	View DL Edit
sortkey.h	11.18 MB	View DL Edit
std_string.h	1.05 MB	View DL Edit
strenum.h	9.92 MB	View DL Edit
stringoptions.h	5.79 MB	View DL Edit
stringpiece.h	10.35 MB	View DL Edit
stringtriebuilder.h	15.33 MB	View DL Edit
stsearch.h	21.3 MB	View DL Edit
symtable.h	4.27 MB	View DL Edit
tblcoll.h	36.61 MB	View DL Edit
timezone.h	41.02 MB	View DL Edit
tmunit.h	3.38 MB	View DL Edit
tmutamt.h	4.9 MB	View DL Edit
tmutfmt.h	7.85 MB	View DL Edit
translit.h	65.82 MB	View DL Edit
tzfmt.h	42.89 MB	View DL Edit
tznames.h	16.85 MB	View DL Edit
tzrule.h	35.37 MB	View DL Edit
tztrans.h	6.12 MB	View DL Edit
ubidi.h	89.56 MB	View DL Edit
ubiditransform.h	12.65 MB	View DL Edit
ubrk.h	23.97 MB	View DL Edit
ucal.h	56.9 MB	View DL Edit
ucasemap.h	15.18 MB	View DL Edit
ucat.h	5.36 MB	View DL Edit
uchar.h	141.24 MB	View DL Edit
ucharstrie.h	22.58 MB	View DL Edit
ucharstriebuilder.h	7.21 MB	View DL Edit
uchriter.h	13.2 MB	View DL Edit
uclean.h	11.21 MB	View DL Edit
ucnv.h	83.09 MB	View DL Edit
ucnvsel.h	6.14 MB	View DL Edit
ucnv_cb.h	6.59 MB	View DL Edit
ucnv_err.h	20.99 MB	View DL Edit
ucol.h	61.46 MB	View DL Edit
ucoleitr.h	9.46 MB	View DL Edit
uconfig.h	12.07 MB	View DL Edit
ucpmap.h	5.53 MB	View DL Edit
ucptrie.h	22.46 MB	View DL Edit
ucsdet.h	14.67 MB	View DL Edit
ucurr.h	16.12 MB	View DL Edit
udat.h	61.38 MB	View DL Edit
udata.h	15.56 MB	View DL Edit
udateintervalformat.h	10.74 MB	View DL Edit
udatpg.h	26.8 MB	View DL Edit
udisplaycontext.h	5.89 MB	View DL Edit
uenum.h	7.78 MB	View DL Edit
ufieldpositer.h	4.36 MB	View DL Edit
uformattable.h	10.94 MB	View DL Edit
uformattedvalue.h	12.12 MB	View DL Edit
ugender.h	2 MB	View DL Edit
uidna.h	33.37 MB	View DL Edit
uiter.h	22.77 MB	View DL Edit
uldnames.h	10.45 MB	View DL Edit
ulistformatter.h	10.83 MB	View DL Edit
uloc.h	53.16 MB	View DL Edit
ulocdata.h	11.26 MB	View DL Edit
umachine.h	14.54 MB	View DL Edit
umisc.h	1.33 MB	View DL Edit
umsg.h	24.23 MB	View DL Edit
umutablecptrie.h	8.24 MB	View DL Edit
unifilt.h	3.96 MB	View DL Edit
unifunct.h	4.04 MB	View DL Edit
unimatch.h	6.1 MB	View DL Edit
unirepl.h	3.38 MB	View DL Edit
uniset.h	64.9 MB	View DL Edit
unistr.h	170.43 MB	View DL Edit
unorm.h	20.52 MB	View DL Edit
unorm2.h	24.66 MB	View DL Edit
unum.h	53.46 MB	View DL Edit
unumberformatter.h	25.22 MB	View DL Edit
unumsys.h	7.21 MB	View DL Edit
uobject.h	10.68 MB	View DL Edit
upluralrules.h	7.83 MB	View DL Edit
uregex.h	72.05 MB	View DL Edit
uregion.h	9.84 MB	View DL Edit
ureldatefmt.h	17 MB	View DL Edit
urename.h	131.3 MB	View DL Edit
urep.h	5.38 MB	View DL Edit
ures.h	36.54 MB	View DL Edit
uscript.h	27.21 MB	View DL Edit
usearch.h	38.12 MB	View DL Edit
uset.h	40 MB	View DL Edit
usetiter.h	9.55 MB	View DL Edit
ushape.h	18 MB	View DL Edit
uspoof.h	65.9 MB	View DL Edit
usprep.h	8.14 MB	View DL Edit
ustdio.h	38.54 MB	View DL Edit
ustream.h	1.89 MB	View DL Edit
ustring.h	72.47 MB	View DL Edit
ustringtrie.h	3.15 MB	View DL Edit
utext.h	58.13 MB	View DL Edit
utf.h	7.86 MB	View DL Edit
utf8.h	30.96 MB	View DL Edit
utf16.h	23.32 MB	View DL Edit
utf32.h	763 B	View DL Edit
utf_old.h	45.83 MB	View DL Edit
utmscale.h	13.78 MB	View DL Edit
utrace.h	17.29 MB	View DL Edit
utrans.h	25.52 MB	View DL Edit
utypes.h	30.74 MB	View DL Edit
uvernum.h	6.67 MB	View DL Edit
uversion.h	6 MB	View DL Edit
vtzone.h	20.3 MB	View DL Edit

Edit file: /usr/include/unicode/tzfmt.h

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2011-2015, International Business Machines Corporation and
* others. All Rights Reserved.
*******************************************************************************
*/
#ifndef __TZFMT_H
#define __TZFMT_H

/**
 * \file
 * \brief C++ API: TimeZoneFormat
 */

#include "unicode/utypes.h"

#if U_SHOW_CPLUSPLUS_API

#if !UCONFIG_NO_FORMATTING

#include "unicode/format.h"
#include "unicode/timezone.h"
#include "unicode/tznames.h"

U_CDECL_BEGIN
/**
 * Constants for time zone display format style used by format/parse APIs
 * in TimeZoneFormat.
 * @stable ICU 50
 */
typedef enum UTimeZoneFormatStyle {
    /**
     * Generic location format, such as "United States Time (New York)", "Italy Time"
     * @stable ICU 50
     */
    UTZFMT_STYLE_GENERIC_LOCATION,
    /**
     * Generic long non-location format, such as "Eastern Time".
     * @stable ICU 50
     */
    UTZFMT_STYLE_GENERIC_LONG,
    /**
     * Generic short non-location format, such as "ET".
     * @stable ICU 50
     */
    UTZFMT_STYLE_GENERIC_SHORT,
    /**
     * Specific long format, such as "Eastern Standard Time".
     * @stable ICU 50
     */
    UTZFMT_STYLE_SPECIFIC_LONG,
    /**
     * Specific short format, such as "EST", "PDT".
     * @stable ICU 50
     */
    UTZFMT_STYLE_SPECIFIC_SHORT,
    /**
     * Localized GMT offset format, such as "GMT-05:00", "UTC+0100"
     * @stable ICU 50
     */
    UTZFMT_STYLE_LOCALIZED_GMT,
    /**
     * Short localized GMT offset format, such as "GMT-5", "UTC+1:30"
     * This style is equivalent to the LDML date format pattern "O".
     * @stable ICU 51
     */
    UTZFMT_STYLE_LOCALIZED_GMT_SHORT,
    /**
     * Short ISO 8601 local time difference (basic format) or the UTC indicator.
     * For example, "-05", "+0530", and "Z"(UTC).
     * This style is equivalent to the LDML date format pattern "X".
     * @stable ICU 51
     */
    UTZFMT_STYLE_ISO_BASIC_SHORT,
    /**
     * Short ISO 8601 locale time difference (basic format).
     * For example, "-05" and "+0530".
     * This style is equivalent to the LDML date format pattern "x".
     * @stable ICU 51
     */
    UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT,
    /**
     * Fixed width ISO 8601 local time difference (basic format) or the UTC indicator.
     * For example, "-0500", "+0530", and "Z"(UTC).
     * This style is equivalent to the LDML date format pattern "XX".
     * @stable ICU 51
     */
    UTZFMT_STYLE_ISO_BASIC_FIXED,
    /**
     * Fixed width ISO 8601 local time difference (basic format).
     * For example, "-0500" and "+0530".
     * This style is equivalent to the LDML date format pattern "xx".
     * @stable ICU 51
     */
    UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED,
    /**
     * ISO 8601 local time difference (basic format) with optional seconds field, or the UTC indicator.
     * For example, "-0500", "+052538", and "Z"(UTC).
     * This style is equivalent to the LDML date format pattern "XXXX".
     * @stable ICU 51
     */
    UTZFMT_STYLE_ISO_BASIC_FULL,
    /**
     * ISO 8601 local time difference (basic format) with optional seconds field.
     * For example, "-0500" and "+052538".
     * This style is equivalent to the LDML date format pattern "xxxx".
     * @stable ICU 51
     */
    UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL,
    /**
     * Fixed width ISO 8601 local time difference (extended format) or the UTC indicator.
     * For example, "-05:00", "+05:30", and "Z"(UTC).
     * This style is equivalent to the LDML date format pattern "XXX".
     * @stable ICU 51
     */
    UTZFMT_STYLE_ISO_EXTENDED_FIXED,
    /**
     * Fixed width ISO 8601 local time difference (extended format).
     * For example, "-05:00" and "+05:30".
     * This style is equivalent to the LDML date format pattern "xxx" and "ZZZZZ".
     * @stable ICU 51
     */
    UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED,
    /**
     * ISO 8601 local time difference (extended format) with optional seconds field, or the UTC indicator.
     * For example, "-05:00", "+05:25:38", and "Z"(UTC).
     * This style is equivalent to the LDML date format pattern "XXXXX".
     * @stable ICU 51
     */
    UTZFMT_STYLE_ISO_EXTENDED_FULL,
    /**
     * ISO 8601 local time difference (extended format) with optional seconds field.
     * For example, "-05:00" and "+05:25:38".
     * This style is equivalent to the LDML date format pattern "xxxxx".
     * @stable ICU 51
     */
    UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL,
    /**
     * Time Zone ID, such as "America/Los_Angeles".
     * @stable ICU 51
     */
    UTZFMT_STYLE_ZONE_ID,
    /**
     * Short Time Zone ID (BCP 47 Unicode location extension, time zone type value), such as "uslax".
     * @stable ICU 51
     */
    UTZFMT_STYLE_ZONE_ID_SHORT,
    /**
     * Exemplar location, such as "Los Angeles" and "Paris".
     * @stable ICU 51
     */
    UTZFMT_STYLE_EXEMPLAR_LOCATION
} UTimeZoneFormatStyle;

/**
 * Constants for GMT offset pattern types.
 * @stable ICU 50
 */
typedef enum UTimeZoneFormatGMTOffsetPatternType {
    /**
     * Positive offset with hours and minutes fields
     * @stable ICU 50
     */
    UTZFMT_PAT_POSITIVE_HM,
    /**
     * Positive offset with hours, minutes and seconds fields
     * @stable ICU 50
     */
    UTZFMT_PAT_POSITIVE_HMS,
    /**
     * Negative offset with hours and minutes fields
     * @stable ICU 50
     */
    UTZFMT_PAT_NEGATIVE_HM,
    /**
     * Negative offset with hours, minutes and seconds fields
     * @stable ICU 50
     */
    UTZFMT_PAT_NEGATIVE_HMS,
    /**
     * Positive offset with hours field
     * @stable ICU 51
     */
    UTZFMT_PAT_POSITIVE_H,
    /**
     * Negative offset with hours field
     * @stable ICU 51
     */
    UTZFMT_PAT_NEGATIVE_H,

/* The following cannot be #ifndef U_HIDE_INTERNAL_API, needed for other .h declarations */
    /**
     * Number of UTimeZoneFormatGMTOffsetPatternType types.
     * @internal
     */
    UTZFMT_PAT_COUNT = 6
} UTimeZoneFormatGMTOffsetPatternType;

/**
 * Constants for time types used by TimeZoneFormat APIs for
 * receiving time type (standard time, daylight time or unknown).
 * @stable ICU 50
 */
typedef enum UTimeZoneFormatTimeType {
    /**
     * Unknown
     * @stable ICU 50
     */
    UTZFMT_TIME_TYPE_UNKNOWN,
    /**
     * Standard time
     * @stable ICU 50
     */
    UTZFMT_TIME_TYPE_STANDARD,
    /**
     * Daylight saving time
     * @stable ICU 50
     */
    UTZFMT_TIME_TYPE_DAYLIGHT
} UTimeZoneFormatTimeType;

/**
 * Constants for parse option flags, used for specifying optional parse behavior.
 * @stable ICU 50
 */
typedef enum UTimeZoneFormatParseOption {
    /**
     * No option.
     * @stable ICU 50
     */
    UTZFMT_PARSE_OPTION_NONE        = 0x00,
    /**
     * When a time zone display name is not found within a set of display names
     * used for the specified style, look for the name from display names used
     * by other styles.
     * @stable ICU 50
     */
    UTZFMT_PARSE_OPTION_ALL_STYLES  = 0x01,
     /**
      * When parsing a time zone display name in \link UTZFMT_STYLE_SPECIFIC_SHORT \endlink,
      * look for the IANA tz database compatible zone abbreviations in addition
      * to the localized names coming from the icu::TimeZoneNames currently
      * used by the icu::TimeZoneFormat.
      * @stable ICU 54
      */
    UTZFMT_PARSE_OPTION_TZ_DATABASE_ABBREVIATIONS = 0x02
} UTimeZoneFormatParseOption;

U_CDECL_END

U_NAMESPACE_BEGIN

class TimeZoneGenericNames;
class TZDBTimeZoneNames;
class UVector;

/**
 * <code>TimeZoneFormat</code> supports time zone display name formatting and parsing.
 * An instance of TimeZoneFormat works as a subformatter of {@link SimpleDateFormat},
 * but you can also directly get a new instance of <code>TimeZoneFormat</code> and
 * formatting/parsing time zone display names.
 * 
 * ICU implements the time zone display names defined by <a href="http://www.unicode.org/reports/tr35/">UTS#35
 * Unicode Locale Data Markup Language (LDML)</a>. {@link TimeZoneNames} represents the
 * time zone display name data model and this class implements the algorithm for actual
 * formatting and parsing.
 *
 * @see SimpleDateFormat
 * @see TimeZoneNames
 * @stable ICU 50
 */
class U_I18N_API TimeZoneFormat : public Format {
public:
 /**
 * Copy constructor.
 * @stable ICU 50
 */
 TimeZoneFormat(const TimeZoneFormat& other);

/**
     * Destructor.
     * @stable ICU 50
     */
    virtual ~TimeZoneFormat();

/**
     * Assignment operator.
     * @stable ICU 50
     */
    TimeZoneFormat& operator=(const TimeZoneFormat& other);

/**
     * Return true if the given Format objects are semantically equal.
     * Objects of different subclasses are considered unequal.
     * @param other The object to be compared with.
     * @return Return TRUE if the given Format objects are semantically equal.
     *                Objects of different subclasses are considered unequal.
     * @stable ICU 50
     */
    virtual UBool operator==(const Format& other) const;

/**
     * Clone this object polymorphically. The caller is responsible
     * for deleting the result when done.
     * @return A copy of the object
     * @stable ICU 50
     */
    virtual TimeZoneFormat* clone() const;

/**
 * Creates an instance of <code>TimeZoneFormat</code> for the given locale.
 * @param locale The locale.
 * @param status Receives the status.
 * @return An instance of <code>TimeZoneFormat</code> for the given locale,
 * owned by the caller.
 * @stable ICU 50
 */
 static TimeZoneFormat* U_EXPORT2 createInstance(const Locale& locale, UErrorCode& status);

/**
     * Returns the time zone display name data used by this instance.
     * @return The time zone display name data.
     * @stable ICU 50
     */
    const TimeZoneNames* getTimeZoneNames() const;

/**
     * Sets the time zone display name data to this format instnace.
     * The caller should not delete the TimeZoenNames object after it is adopted
     * by this call.
     * @param tznames TimeZoneNames object to be adopted.
     * @stable ICU 50
     */
    void adoptTimeZoneNames(TimeZoneNames *tznames);

/**
     * Sets the time zone display name data to this format instnace.
     * @param tznames TimeZoneNames object to be set.
     * @stable ICU 50
     */
    void setTimeZoneNames(const TimeZoneNames &tznames);

/**
     * Returns the localized GMT format pattern.
     * @param pattern Receives the localized GMT format pattern.
     * @return A reference to the result pattern.
     * @see #setGMTPattern
     * @stable ICU 50
     */
    UnicodeString& getGMTPattern(UnicodeString& pattern) const;

/**
     * Sets the localized GMT format pattern. The pattern must contain
     * a single argument {0}, for example "GMT {0}".
     * @param pattern The localized GMT format pattern to be used by this object.
     * @param status Recieves the status.
     * @see #getGMTPattern
     * @stable ICU 50
     */
    void setGMTPattern(const UnicodeString& pattern, UErrorCode& status);

/**
     * Returns the offset pattern used for localized GMT format.
     * @param type The offset pattern type enum.
     * @param pattern Receives the offset pattern.
     * @return A reference to the result pattern.
     * @see #setGMTOffsetPattern
     * @stable ICU 50
     */
    UnicodeString& getGMTOffsetPattern(UTimeZoneFormatGMTOffsetPatternType type, UnicodeString& pattern) const;

/**
     * Sets the offset pattern for the given offset type.
     * @param type The offset pattern type enum.
     * @param pattern The offset pattern used for localized GMT format for the type.
     * @param status Receives the status.
     * @see #getGMTOffsetPattern
     * @stable ICU 50
     */
    void setGMTOffsetPattern(UTimeZoneFormatGMTOffsetPatternType type, const UnicodeString& pattern, UErrorCode& status);

/**
     * Returns the decimal digit characters used for localized GMT format.
     * The return string contains exactly 10 code points (may include Unicode
     * supplementary character) representing digit 0 to digit 9 in the ascending
     * order.
     * @param digits Receives the decimal digits used for localized GMT format.
     * @see #setGMTOffsetDigits
     * @stable ICU 50
     */
    UnicodeString& getGMTOffsetDigits(UnicodeString& digits) const;

/**
 * Sets the decimal digit characters used for localized GMT format.
 * The input <code>digits</code> must contain exactly 10 code points
 * (Unicode supplementary characters are also allowed) representing
 * digit 0 to digit 9 in the ascending order. When the input <code>digits</code>
 * does not satisfy the condition, <code>U_ILLEGAL_ARGUMENT_ERROR</code>
 * will be set to the return status.
 * @param digits The decimal digits used for localized GMT format.
 * @param status Receives the status.
 * @see #getGMTOffsetDigits
 * @stable ICU 50
 */
 void setGMTOffsetDigits(const UnicodeString& digits, UErrorCode& status);

/**
     * Returns the localized GMT format string for GMT(UTC) itself (GMT offset is 0).
     * @param gmtZeroFormat Receives the localized GMT string string for GMT(UTC) itself.
     * @return A reference to the result GMT string.
     * @see #setGMTZeroFormat
     * @stable ICU 50
     */
    UnicodeString& getGMTZeroFormat(UnicodeString& gmtZeroFormat) const;

/**
     * Sets the localized GMT format string for GMT(UTC) itself (GMT offset is 0).
     * @param gmtZeroFormat The localized GMT format string for GMT(UTC).
     * @param status Receives the status.
     * @see #getGMTZeroFormat
     * @stable ICU 50
     */
    void setGMTZeroFormat(const UnicodeString& gmtZeroFormat, UErrorCode& status);

/**
     * Returns the bitwise flags of UTimeZoneFormatParseOption representing the default parse
     * options used by this object.
     * @return the default parse options.
     * @see ParseOption
     * @stable ICU 50
     */
    uint32_t getDefaultParseOptions(void) const;

/**
 * Sets the default parse options.
 * Note: By default, an instance of <code>TimeZoneFormat</code>
 * created by {@link #createInstance} has no parse options set (UTZFMT_PARSE_OPTION_NONE).
 * To specify multipe options, use bitwise flags of UTimeZoneFormatParseOption.
 * @see #UTimeZoneFormatParseOption
 * @stable ICU 50
 */
 void setDefaultParseOptions(uint32_t flags);

/**
     * Returns the ISO 8601 basic time zone string for the given offset.
     * For example, "-08", "-0830" and "Z"
     *
     * @param offset the offset from GMT(UTC) in milliseconds.
     * @param useUtcIndicator true if ISO 8601 UTC indicator "Z" is used when the offset is 0.
     * @param isShort true if shortest form is used.
     * @param ignoreSeconds true if non-zero offset seconds is appended.
     * @param result Receives the ISO format string.
     * @param status Receives the status
     * @return the ISO 8601 basic format.
     * @see #formatOffsetISO8601Extended
     * @see #parseOffsetISO8601
     * @stable ICU 51
     */
    UnicodeString& formatOffsetISO8601Basic(int32_t offset, UBool useUtcIndicator, UBool isShort, UBool ignoreSeconds,
        UnicodeString& result, UErrorCode& status) const;

/**
     * Returns the ISO 8601 extended time zone string for the given offset.
     * For example, "-08:00", "-08:30" and "Z"
     *
     * @param offset the offset from GMT(UTC) in milliseconds.
     * @param useUtcIndicator true if ISO 8601 UTC indicator "Z" is used when the offset is 0.
     * @param isShort true if shortest form is used.
     * @param ignoreSeconds true if non-zero offset seconds is appended.
     * @param result Receives the ISO format string.
     * @param status Receives the status
     * @return the ISO 8601 basic format.
     * @see #formatOffsetISO8601Extended
     * @see #parseOffsetISO8601
     * @stable ICU 51
     */
    UnicodeString& formatOffsetISO8601Extended(int32_t offset, UBool useUtcIndicator, UBool isShort, UBool ignoreSeconds,
        UnicodeString& result, UErrorCode& status) const;

/**
 * Returns the localized GMT(UTC) offset format for the given offset.
 * The localized GMT offset is defined by;
 * <ul>
 * <li>GMT format pattern (e.g. "GMT {0}" - see {@link #getGMTPattern})
 * <li>Offset time pattern (e.g. "+HH:mm" - see {@link #getGMTOffsetPattern})
 * <li>Offset digits (e.g. "0123456789" - see {@link #getGMTOffsetDigits})
 * <li>GMT zero format (e.g. "GMT" - see {@link #getGMTZeroFormat})
 * </ul>
 * This format always uses 2 digit hours and minutes. When the given offset has non-zero
 * seconds, 2 digit seconds field will be appended. For example,
 * GMT+05:00 and GMT+05:28:06.
 * @param offset the offset from GMT(UTC) in milliseconds.
 * @param status Receives the status
 * @param result Receives the localized GMT format string.
 * @return A reference to the result.
 * @see #parseOffsetLocalizedGMT
 * @stable ICU 50
 */
 UnicodeString& formatOffsetLocalizedGMT(int32_t offset, UnicodeString& result, UErrorCode& status) const;

/**
 * Returns the short localized GMT(UTC) offset format for the given offset.
 * The short localized GMT offset is defined by;
 * <ul>
 * <li>GMT format pattern (e.g. "GMT {0}" - see {@link #getGMTPattern})
 * <li>Offset time pattern (e.g. "+HH:mm" - see {@link #getGMTOffsetPattern})
 * <li>Offset digits (e.g. "0123456789" - see {@link #getGMTOffsetDigits})
 * <li>GMT zero format (e.g. "GMT" - see {@link #getGMTZeroFormat})
 * </ul>
 * This format uses the shortest representation of offset. The hours field does not
 * have leading zero and lower fields with zero will be truncated. For example,
 * GMT+5 and GMT+530.
 * @param offset the offset from GMT(UTC) in milliseconds.
 * @param status Receives the status
 * @param result Receives the short localized GMT format string.
 * @return A reference to the result.
 * @see #parseOffsetShortLocalizedGMT
 * @stable ICU 51
 */
 UnicodeString& formatOffsetShortLocalizedGMT(int32_t offset, UnicodeString& result, UErrorCode& status) const;

using Format::format;

/**
 * Returns the display name of the time zone at the given date for the style.
 * @param style The style (e.g. <code>UTZFMT_STYLE_GENERIC_LONG</code>, <code>UTZFMT_STYLE_LOCALIZED_GMT</code>...)
 * @param tz The time zone.
 * @param date The date.
 * @param name Receives the display name.
 * @param timeType the output argument for receiving the time type (standard/daylight/unknown)
 * used for the display name, or NULL if the information is not necessary.
 * @return A reference to the result
 * @see #UTimeZoneFormatStyle
 * @see #UTimeZoneFormatTimeType
 * @stable ICU 50
 */
 virtual UnicodeString& format(UTimeZoneFormatStyle style, const TimeZone& tz, UDate date,
 UnicodeString& name, UTimeZoneFormatTimeType* timeType = NULL) const;

/**
 * Returns offset from GMT(UTC) in milliseconds for the given ISO 8601
 * style time zone string. When the given string is not an ISO 8601 time zone
 * string, this method sets the current position as the error index
 * to <code>ParsePosition pos</code> and returns 0.
 * @param text The text contains ISO8601 style time zone string (e.g. "-08:00", "Z")
 * at the position.
 * @param pos The ParsePosition object.
 * @return The offset from GMT(UTC) in milliseconds for the given ISO 8601 style
 * time zone string.
 * @see #formatOffsetISO8601Basic
 * @see #formatOffsetISO8601Extended
 * @stable ICU 50
 */
 int32_t parseOffsetISO8601(const UnicodeString& text, ParsePosition& pos) const;

/**
 * Returns offset from GMT(UTC) in milliseconds for the given localized GMT
 * offset format string. When the given string cannot be parsed, this method
 * sets the current position as the error index to <code>ParsePosition pos</code>
 * and returns 0.
 * @param text The text contains a localized GMT offset string at the position.
 * @param pos The ParsePosition object.
 * @return The offset from GMT(UTC) in milliseconds for the given localized GMT
 * offset format string.
 * @see #formatOffsetLocalizedGMT
 * @stable ICU 50
 */
 int32_t parseOffsetLocalizedGMT(const UnicodeString& text, ParsePosition& pos) const;

/**
 * Returns offset from GMT(UTC) in milliseconds for the given short localized GMT
 * offset format string. When the given string cannot be parsed, this method
 * sets the current position as the error index to <code>ParsePosition pos</code>
 * and returns 0.
 * @param text The text contains a short localized GMT offset string at the position.
 * @param pos The ParsePosition object.
 * @return The offset from GMT(UTC) in milliseconds for the given short localized GMT
 * offset format string.
 * @see #formatOffsetShortLocalizedGMT
 * @stable ICU 51
 */
 int32_t parseOffsetShortLocalizedGMT(const UnicodeString& text, ParsePosition& pos) const;

/**
 * Returns a <code>TimeZone</code> by parsing the time zone string according to
 * the given parse position, the specified format style and parse options.
 *
 * @param text The text contains a time zone string at the position.
 * @param style The format style
 * @param pos The position.
 * @param parseOptions The parse options repesented by bitwise flags of UTimeZoneFormatParseOption.
 * @param timeType The output argument for receiving the time type (standard/daylight/unknown),
 * or NULL if the information is not necessary.
 * @return A <code>TimeZone</code>, or null if the input could not be parsed.
 * @see UTimeZoneFormatStyle
 * @see UTimeZoneFormatParseOption
 * @see UTimeZoneFormatTimeType
 * @stable ICU 50
 */
 virtual TimeZone* parse(UTimeZoneFormatStyle style, const UnicodeString& text, ParsePosition& pos,
 int32_t parseOptions, UTimeZoneFormatTimeType* timeType = NULL) const;

/**
 * Returns a <code>TimeZone</code> by parsing the time zone string according to
 * the given parse position, the specified format style and the default parse options.
 *
 * @param text The text contains a time zone string at the position.
 * @param style The format style
 * @param pos The position.
 * @param timeType The output argument for receiving the time type (standard/daylight/unknown),
 * or NULL if the information is not necessary.
 * @return A <code>TimeZone</code>, or null if the input could not be parsed.
 * @see UTimeZoneFormatStyle
 * @see UTimeZoneFormatParseOption
 * @see UTimeZoneFormatTimeType
 * @stable ICU 50
 */
 TimeZone* parse(UTimeZoneFormatStyle style, const UnicodeString& text, ParsePosition& pos,
 UTimeZoneFormatTimeType* timeType = NULL) const;

/* ----------------------------------------------
     * Format APIs
     * ---------------------------------------------- */

/**
 * Format an object to produce a time zone display string using localized GMT offset format.
 * This method handles Formattable objects with a <code>TimeZone</code>. If a the Formattable
 * object type is not a <code>TimeZone</code>, then it returns a failing UErrorCode.
 * @param obj The object to format. Must be a <code>TimeZone</code>.
 * @param appendTo Output parameter to receive result. Result is appended to existing contents.
 * @param pos On input: an alignment field, if desired. On output: the offsets of the alignment field.
 * @param status Output param filled with success/failure status.
 * @return Reference to 'appendTo' parameter.
 * @stable ICU 50
 */
 virtual UnicodeString& format(const Formattable& obj, UnicodeString& appendTo,
 FieldPosition& pos, UErrorCode& status) const;

/**
 * Parse a string to produce an object. This methods handles parsing of
 * time zone display strings into Formattable objects with <code>TimeZone</code>.
 * @param source The string to be parsed into an object.
 * @param result Formattable to be set to the parse result. If parse fails, return contents are undefined.
 * @param parse_pos The position to start parsing at. Upon return this param is set to the position after the
 * last character successfully parsed. If the source is not parsed successfully, this param
 * will remain unchanged.
 * @return A newly created Formattable* object, or NULL on failure. The caller owns this and should
 * delete it when done.
 * @stable ICU 50
 */
 virtual void parseObject(const UnicodeString& source, Formattable& result, ParsePosition& parse_pos) const;

/**
     * ICU "poor man's RTTI", returns a UClassID for this class.
     * @stable ICU 50
     */
    static UClassID U_EXPORT2 getStaticClassID(void);

/**
     * ICU "poor man's RTTI", returns a UClassID for the actual class.
     * @stable ICU 50
     */
    virtual UClassID getDynamicClassID() const;

protected:
    /**
     * Constructs a TimeZoneFormat object for the specified locale.
     * @param locale the locale
     * @param status receives the status.
     * @stable ICU 50
     */
    TimeZoneFormat(const Locale& locale, UErrorCode& status);

private:
    /* Locale of this object */
    Locale fLocale;

/* Stores the region (could be implicit default) */
    char fTargetRegion[ULOC_COUNTRY_CAPACITY];

/* TimeZoneNames object used by this formatter */
    TimeZoneNames* fTimeZoneNames;

/* TimeZoneGenericNames object used by this formatter - lazily instantiated */
    TimeZoneGenericNames* fTimeZoneGenericNames;

/* Localized GMT format pattern - e.g. "GMT{0}" */
    UnicodeString fGMTPattern;

/* Array of offset patterns used by Localized GMT format - e.g. "+HH:mm" */
    UnicodeString fGMTOffsetPatterns[UTZFMT_PAT_COUNT];

/* Localized decimal digits used by Localized GMT format */
    UChar32 fGMTOffsetDigits[10];

/* Localized GMT zero format - e.g. "GMT" */
    UnicodeString fGMTZeroFormat;

/* Bit flags representing parse options */
    uint32_t fDefParseOptionFlags;

/* Constant parts of GMT format pattern, populated from localized GMT format pattern*/
    UnicodeString fGMTPatternPrefix;    /* Substring before {0} */
    UnicodeString fGMTPatternSuffix;    /* Substring after {0} */

/* Compiled offset patterns generated from fGMTOffsetPatterns[] */
    UVector* fGMTOffsetPatternItems[UTZFMT_PAT_COUNT];

UBool fAbuttingOffsetHoursAndMinutes;

/* TZDBTimeZoneNames object used for parsing */
    TZDBTimeZoneNames* fTZDBTimeZoneNames;

/**
     * Returns the time zone's specific format string.
     * @param tz the time zone
     * @param stdType the name type used for standard time
     * @param dstType the name type used for daylight time
     * @param date the date
     * @param name receives the time zone's specific format name string
     * @param timeType when null, actual time type is set
     * @return a reference to name.
     */
    UnicodeString& formatSpecific(const TimeZone& tz, UTimeZoneNameType stdType, UTimeZoneNameType dstType,
        UDate date, UnicodeString& name, UTimeZoneFormatTimeType *timeType) const;

/**
     * Returns the time zone's generic format string.
     * @param tz the time zone
     * @param genType the generic name type
     * @param date the date
     * @param name receives the time zone's generic format name string
     * @return a reference to name.
     */
    UnicodeString& formatGeneric(const TimeZone& tz, int32_t genType, UDate date, UnicodeString& name) const;

/**
     * Lazily create a TimeZoneGenericNames instance
     * @param status receives the status
     * @return the cached TimeZoneGenericNames.
     */
    const TimeZoneGenericNames* getTimeZoneGenericNames(UErrorCode& status) const;

/**
     * Lazily create a TZDBTimeZoneNames instance
     * @param status receives the status
     * @return the cached TZDBTimeZoneNames.
     */
    const TZDBTimeZoneNames* getTZDBTimeZoneNames(UErrorCode& status) const;

/**
     * Private method returning the time zone's exemplar location string.
     * This method will never return empty.
     * @param tz the time zone
     * @param name receives the time zone's exemplar location name
     * @return a reference to name.
     */
    UnicodeString& formatExemplarLocation(const TimeZone& tz, UnicodeString& name) const;

/**
     * Private enum specifying a combination of offset fields
     */
    enum OffsetFields {
        FIELDS_H,
        FIELDS_HM,
        FIELDS_HMS
    };

/**
     * Parses the localized GMT pattern string and initialize
     * localized gmt pattern fields.
     * @param gmtPattern the localized GMT pattern string such as "GMT {0}"
     * @param status U_ILLEGAL_ARGUMENT_ERROR is set when the specified pattern does not
     *               contain an argument "{0}".
     */
    void initGMTPattern(const UnicodeString& gmtPattern, UErrorCode& status);

/**
     * Parse the GMT offset pattern into runtime optimized format.
     * @param pattern the offset pattern string
     * @param required the required set of fields, such as FIELDS_HM
     * @param status U_ILLEGAL_ARGUMENT is set when the specified pattern does not contain
     *               pattern letters for the required fields.
     * @return A list of GMTOffsetField objects, or NULL on error.
     */
    static UVector* parseOffsetPattern(const UnicodeString& pattern, OffsetFields required, UErrorCode& status);

/**
     * Appends seconds field to the offset pattern with hour/minute
     * Note: This code will be obsoleted once we add hour-minute-second pattern data in CLDR.
     * @param offsetHM the offset pattern including hours and minutes fields
     * @param result the output offset pattern including hour, minute and seconds fields
     * @param status receives the status
     * @return a reference to result
     */
    static UnicodeString& expandOffsetPattern(const UnicodeString& offsetHM, UnicodeString& result, UErrorCode& status);

/**
     * Truncates minutes field to the offset pattern with hour/minute
     * Note: This code will be obsoleted once we add hour pattern data in CLDR.
     * @param offsetHM the offset pattern including hours and minutes fields
     * @param result the output offset pattern including only hours field
     * @param status receives the status
     * @return a reference to result
     */
    static UnicodeString& truncateOffsetPattern(const UnicodeString& offsetHM, UnicodeString& result, UErrorCode& status);

/**
     * Break input string into UChar32[]. Each array element represents
     * a code point. This method is used for parsing localized digit
     * characters and support characters in Unicode supplemental planes.
     * @param str the string
     * @param codeArray receives the result
     * @param capacity the capacity of codeArray
     * @return TRUE when the specified code array is fully filled with code points
     *         (no under/overflow).
     */
    static UBool toCodePoints(const UnicodeString& str, UChar32* codeArray, int32_t capacity);

/**
     * Private method supprting all of ISO8601 formats
     * @param offset the offset from GMT(UTC) in milliseconds.
     * @param useUtcIndicator true if ISO 8601 UTC indicator "Z" is used when the offset is 0.
     * @param isShort true if shortest form is used.
     * @param ignoreSeconds true if non-zero offset seconds is appended.
     * @param result Receives the result
     * @param status Receives the status
     * @return the ISO 8601 basic format.
     */
    UnicodeString& formatOffsetISO8601(int32_t offset, UBool isBasic, UBool useUtcIndicator,
        UBool isShort, UBool ignoreSeconds, UnicodeString& result, UErrorCode& status) const;

/**
     * Private method used for localized GMT formatting.
     * @param offset the zone's UTC offset
     * @param isShort true if the short localized GMT format is desired.
     * @param result receives the localized GMT format string
     * @param status receives the status
     */
    UnicodeString& formatOffsetLocalizedGMT(int32_t offset, UBool isShort, UnicodeString& result, UErrorCode& status) const;

/**
 * Returns offset from GMT(UTC) in milliseconds for the given ISO 8601 style
 * (extended format) time zone string. When the given string is not an ISO 8601 time
 * zone string, this method sets the current position as the error index
 * to <code>ParsePosition pos</code> and returns 0.
 * @param text the text contains ISO 8601 style time zone string (e.g. "-08:00", "Z")
 * at the position.
 * @param pos the position, non-negative error index will be set on failure.
 * @param extendedOnly TRUE if parsing the text as ISO 8601 extended offset format (e.g. "-08:00"),
 * or FALSE to evaluate the text as basic format.
 * @param hasDigitOffset receiving if the parsed zone string contains offset digits.
 * @return the offset from GMT(UTC) in milliseconds for the given ISO 8601 style
 * time zone string.
 */
 int32_t parseOffsetISO8601(const UnicodeString& text, ParsePosition& pos, UBool extendedOnly,
 UBool* hasDigitOffset = NULL) const;

/**
     * Appends localized digits to the buffer.
     * This code assumes that the input number is 0 - 59
     * @param buf the target buffer
     * @param n the integer number
     * @param minDigits the minimum digits width
     */
    void appendOffsetDigits(UnicodeString& buf, int32_t n, uint8_t minDigits) const;

/**
 * Returns offset from GMT(UTC) in milliseconds for the given localized GMT
 * offset format string. When the given string cannot be parsed, this method
 * sets the current position as the error index to <code>ParsePosition pos</code>
 * and returns 0.
 * @param text the text contains a localized GMT offset string at the position.
 * @param pos the position, non-negative error index will be set on failure.
 * @param isShort true if this parser to try the short format first
 * @param hasDigitOffset receiving if the parsed zone string contains offset digits.
 * @return the offset from GMT(UTC) in milliseconds for the given localized GMT
 * offset format string.
 */
 int32_t parseOffsetLocalizedGMT(const UnicodeString& text, ParsePosition& pos,
 UBool isShort, UBool* hasDigitOffset) const;

/**
     * Parse localized GMT format generated by the patter used by this formatter, except
     * GMT Zero format.
     * @param text the input text
     * @param start the start index
     * @param isShort true if the short localized format is parsed.
     * @param parsedLen receives the parsed length
     * @return the parsed offset in milliseconds
     */
    int32_t parseOffsetLocalizedGMTPattern(const UnicodeString& text, int32_t start,
        UBool isShort, int32_t& parsedLen) const;

/**
     * Parses localized GMT offset fields into offset.
     * @param text the input text
     * @param start the start index
     * @param isShort true if this is a short format - currently not used
     * @param parsedLen the parsed length, or 0 on failure.
     * @return the parsed offset in milliseconds.
     */
    int32_t parseOffsetFields(const UnicodeString& text, int32_t start, UBool isShort, int32_t& parsedLen) const;

/**
     * Parse localized GMT offset fields with the given pattern.
     * @param text the input text
     * @param start the start index
     * @param pattenItems the pattern (already itemized)
     * @param forceSingleHourDigit true if hours field is parsed as a single digit
     * @param hour receives the hour offset field
     * @param min receives the minute offset field
     * @param sec receives the second offset field
     * @return the parsed length
     */
    int32_t parseOffsetFieldsWithPattern(const UnicodeString& text, int32_t start,
        UVector* patternItems, UBool forceSingleHourDigit, int32_t& hour, int32_t& min, int32_t& sec) const;

/**
     * Parses abutting localized GMT offset fields (such as 0800) into offset.
     * @param text the input text
     * @param start the start index
     * @param parsedLen the parsed length, or 0 on failure
     * @return the parsed offset in milliseconds.
     */
    int32_t parseAbuttingOffsetFields(const UnicodeString& text, int32_t start, int32_t& parsedLen) const;

/**
     * Parses the input text using the default format patterns (e.g. "UTC{0}").
     * @param text the input text
     * @param start the start index
     * @param parsedLen the parsed length, or 0 on failure
     * @return the parsed offset in milliseconds.
     */
    int32_t parseOffsetDefaultLocalizedGMT(const UnicodeString& text, int start, int32_t& parsedLen) const;

/**
     * Parses the input GMT offset fields with the default offset pattern.
     * @param text the input text
     * @param start the start index
     * @param separator the separator character, e.g. ':'
     * @param parsedLen the parsed length, or 0 on failure.
     * @return the parsed offset in milliseconds.
     */
    int32_t parseDefaultOffsetFields(const UnicodeString& text, int32_t start, char16_t separator,
        int32_t& parsedLen) const;

/**
 * Reads an offset field value. This method will stop parsing when
 * 1) number of digits reaches <code>maxDigits</code>
 * 2) just before already parsed number exceeds <code>maxVal</code>
 *
 * @param text the text
 * @param start the start offset
 * @param minDigits the minimum number of required digits
 * @param maxDigits the maximum number of digits
 * @param minVal the minimum value
 * @param maxVal the maximum value
 * @param parsedLen the actual parsed length.
 * @return the integer value parsed
 */
 int32_t parseOffsetFieldWithLocalizedDigits(const UnicodeString& text, int32_t start,
 uint8_t minDigits, uint8_t maxDigits, uint16_t minVal, uint16_t maxVal, int32_t& parsedLen) const;

/**
     * Reads a single decimal digit, either localized digits used by this object
     * or any Unicode numeric character.
     * @param text the text
     * @param start the start index
     * @param len the actual length read from the text
     * the start index is not a decimal number.
     * @return the integer value of the parsed digit, or -1 on failure.
     */
    int32_t parseSingleLocalizedDigit(const UnicodeString& text, int32_t start, int32_t& len) const;

/**
     * Formats offset using ASCII digits. The input offset range must be
     * within +/-24 hours (exclusive).
     * @param offset The offset
     * @param sep The field separator character or 0 if not required
     * @param minFields The minimum fields
     * @param maxFields The maximum fields
     * @return The offset string
     */
    static UnicodeString& formatOffsetWithAsciiDigits(int32_t offset, char16_t sep,
        OffsetFields minFields, OffsetFields maxFields, UnicodeString& result);

/**
 * Parses offset represented by contiguous ASCII digits.
 * 
 * Note: This method expects the input position is already at the start of
 * ASCII digits and does not parse sign (+/-).
 * @param text The text contains a sequence of ASCII digits
 * @param pos The parse position
 * @param minFields The minimum Fields to be parsed
 * @param maxFields The maximum Fields to be parsed
 * @param fixedHourWidth true if hours field must be width of 2
 * @return Parsed offset, 0 or positive number.
 */
 static int32_t parseAbuttingAsciiOffsetFields(const UnicodeString& text, ParsePosition& pos,
 OffsetFields minFields, OffsetFields maxFields, UBool fixedHourWidth);

/**
 * Parses offset represented by ASCII digits and separators.
 * 
 * Note: This method expects the input position is already at the start of
 * ASCII digits and does not parse sign (+/-).
 * @param text The text
 * @param pos The parse position
 * @param sep The separator character
 * @param minFields The minimum Fields to be parsed
 * @param maxFields The maximum Fields to be parsed
 * @return Parsed offset, 0 or positive number.
 */
 static int32_t parseAsciiOffsetFields(const UnicodeString& text, ParsePosition& pos, char16_t sep,
 OffsetFields minFields, OffsetFields maxFields);

/**
     * Unquotes the message format style pattern.
     * @param pattern the pattern
     * @param result receive the unquoted pattern.
     * @return A reference to result.
     */
    static UnicodeString& unquote(const UnicodeString& pattern, UnicodeString& result);

/**
     * Initialize localized GMT format offset hour/min/sec patterns.
     * This method parses patterns into optimized run-time format.
     * @param status receives the status.
     */
    void initGMTOffsetPatterns(UErrorCode& status);

/**
     * Check if there are any GMT format offset patterns without
     * any separators between hours field and minutes field and update
     * fAbuttingOffsetHoursAndMinutes field. This method must be called
     * after all patterns are parsed into pattern items.
     */
    void checkAbuttingHoursAndMinutes();

/**
     * Creates an instance of TimeZone for the given offset
     * @param offset the offset
     * @return A TimeZone with the given offset
     */
    TimeZone* createTimeZoneForOffset(int32_t offset) const;

/**
     * Returns the time type for the given name type
     * @param nameType the name type
     * @return the time type (unknown/standard/daylight)
     */
    static UTimeZoneFormatTimeType getTimeType(UTimeZoneNameType nameType);

/**
     * Returns the time zone ID of a match at the specified index within
     * the MatchInfoCollection.
     * @param matches the collection of matches
     * @param idx the index withing matches
     * @param tzID receives the resolved time zone ID
     * @return a reference to tzID.
     */
    UnicodeString& getTimeZoneID(const TimeZoneNames::MatchInfoCollection* matches, int32_t idx, UnicodeString& tzID) const;

/**
     * Parse a zone ID.
     * @param text the text contains a time zone ID string at the position.
     * @param pos the position
     * @param tzID receives the zone ID
     * @return a reference to tzID
     */
    UnicodeString& parseZoneID(const UnicodeString& text, ParsePosition& pos, UnicodeString& tzID) const;

/**
     * Parse a short zone ID.
     * @param text the text contains a short time zone ID string at the position.
     * @param pos the position
     * @param tzID receives the short zone ID
     * @return a reference to tzID
     */
    UnicodeString& parseShortZoneID(const UnicodeString& text, ParsePosition& pos, UnicodeString& tzID) const;

/**
     * Parse an exemplar location string.
     * @param text the text contains an exemplar location string at the position.
     * @param pos the position.
     * @param tzID receives the time zone ID
     * @return a reference to tzID
     */
    UnicodeString& parseExemplarLocation(const UnicodeString& text, ParsePosition& pos, UnicodeString& tzID) const;
};

U_NAMESPACE_END

#endif /* !UCONFIG_NO_FORMATTING */

#endif /* U_SHOW_CPLUSPLUS_API */

#endif

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