Gecko [ www.floatingcartbutton.com ]

Name	Size	Permission	Date
alphaindex.h	26.43 KB	-rw-r--r--	2026-04-09 08:47
appendable.h	8.54 KB	-rw-r--r--	2026-04-09 08:47
basictz.h	9.99 KB	-rw-r--r--	2026-04-09 08:47
brkiter.h	28.52 KB	-rw-r--r--	2026-04-09 08:47
bytestream.h	11.79 KB	-rw-r--r--	2026-04-09 08:47
bytestrie.h	20.83 KB	-rw-r--r--	2026-04-09 08:47
bytestriebuilder.h	7.44 KB	-rw-r--r--	2026-04-09 08:47
calendar.h	110.47 KB	-rw-r--r--	2026-04-09 08:47
caniter.h	7.47 KB	-rw-r--r--	2026-04-09 08:47
casemap.h	25.42 KB	-rw-r--r--	2026-04-09 08:47
char16ptr.h	10.79 KB	-rw-r--r--	2026-04-09 08:47
chariter.h	23.79 KB	-rw-r--r--	2026-04-09 08:47
choicfmt.h	23.99 KB	-rw-r--r--	2026-04-09 08:47
coleitr.h	13.78 KB	-rw-r--r--	2026-04-09 08:47
coll.h	59.5 KB	-rw-r--r--	2026-04-09 08:47
compactdecimalformat.h	6.88 KB	-rw-r--r--	2026-04-09 08:47
curramt.h	3.67 KB	-rw-r--r--	2026-04-09 08:47
currpinf.h	7.3 KB	-rw-r--r--	2026-04-09 08:47
currunit.h	4.02 KB	-rw-r--r--	2026-04-09 08:47
datefmt.h	41.29 KB	-rw-r--r--	2026-04-09 08:47
dbbi.h	1.19 KB	-rw-r--r--	2026-04-09 08:47
dcfmtsym.h	21.27 KB	-rw-r--r--	2026-04-09 08:47
decimfmt.h	87.45 KB	-rw-r--r--	2026-04-09 08:47
displayoptions.h	7.08 KB	-rw-r--r--	2026-04-09 08:47
docmain.h	7.66 KB	-rw-r--r--	2026-04-09 08:47
dtfmtsym.h	41.04 KB	-rw-r--r--	2026-04-09 08:47
dtintrv.h	3.84 KB	-rw-r--r--	2026-04-09 08:47
dtitvfmt.h	49.2 KB	-rw-r--r--	2026-04-09 08:47
dtitvinf.h	18.54 KB	-rw-r--r--	2026-04-09 08:47
dtptngen.h	29.28 KB	-rw-r--r--	2026-04-09 08:47
dtrule.h	8.66 KB	-rw-r--r--	2026-04-09 08:47
edits.h	20.74 KB	-rw-r--r--	2026-04-09 08:47
enumset.h	2.08 KB	-rw-r--r--	2026-04-09 08:47
errorcode.h	4.84 KB	-rw-r--r--	2026-04-09 08:47
fieldpos.h	8.69 KB	-rw-r--r--	2026-04-09 08:47
filteredbrk.h	5.37 KB	-rw-r--r--	2026-04-09 08:47
fmtable.h	24.36 KB	-rw-r--r--	2026-04-09 08:47
format.h	12.78 KB	-rw-r--r--	2026-04-09 08:47
formattednumber.h	6.25 KB	-rw-r--r--	2026-04-09 08:47
formattedvalue.h	9.75 KB	-rw-r--r--	2026-04-09 08:47
fpositer.h	3.03 KB	-rw-r--r--	2026-04-09 08:47
gender.h	3.35 KB	-rw-r--r--	2026-04-09 08:47
gregocal.h	30.05 KB	-rw-r--r--	2026-04-09 08:47
icudataver.h	1.02 KB	-rw-r--r--	2026-04-09 08:47
icuplug.h	12.1 KB	-rw-r--r--	2026-04-09 08:47
idna.h	12.93 KB	-rw-r--r--	2026-04-09 08:47
listformatter.h	8.59 KB	-rw-r--r--	2026-04-09 08:47
localebuilder.h	11.09 KB	-rw-r--r--	2026-04-09 08:47
localematcher.h	26.86 KB	-rw-r--r--	2026-04-09 08:47
localpointer.h	19.52 KB	-rw-r--r--	2026-04-09 08:47
locdspnm.h	7.12 KB	-rw-r--r--	2026-04-09 08:47
locid.h	53.98 KB	-rw-r--r--	2026-04-09 08:47
measfmt.h	11.41 KB	-rw-r--r--	2026-04-09 08:47
measunit.h	133.12 KB	-rw-r--r--	2026-04-09 08:47
measure.h	4.63 KB	-rw-r--r--	2026-04-09 08:47
messageformat2.h	21.59 KB	-rw-r--r--	2026-04-09 08:47
messageformat2_arguments.h	3.84 KB	-rw-r--r--	2026-04-09 08:47
messageformat2_data_model.h	96.61 KB	-rw-r--r--	2026-04-09 08:47
messageformat2_data_model_names.h	784 B	-rw-r--r--	2026-04-09 08:47
messageformat2_formattable.h	39.37 KB	-rw-r--r--	2026-04-09 08:47
messageformat2_function_registry.h	18.07 KB	-rw-r--r--	2026-04-09 08:47
messagepattern.h	33.79 KB	-rw-r--r--	2026-04-09 08:47
msgfmt.h	44.94 KB	-rw-r--r--	2026-04-09 08:47
normalizer2.h	34.68 KB	-rw-r--r--	2026-04-09 08:47
normlzr.h	30.79 KB	-rw-r--r--	2026-04-09 08:47
nounit.h	2.24 KB	-rw-r--r--	2026-04-09 08:47
numberformatter.h	90.72 KB	-rw-r--r--	2026-04-09 08:47
numberrangeformatter.h	25.68 KB	-rw-r--r--	2026-04-09 08:47
numfmt.h	50.16 KB	-rw-r--r--	2026-04-09 08:47
numsys.h	7.22 KB	-rw-r--r--	2026-04-09 08:47
parseerr.h	3.08 KB	-rw-r--r--	2026-04-09 08:47
parsepos.h	5.56 KB	-rw-r--r--	2026-04-09 08:47
platform.h	27.19 KB	-rw-r--r--	2026-04-09 08:47
plurfmt.h	25.46 KB	-rw-r--r--	2026-04-09 08:47
plurrule.h	20.63 KB	-rw-r--r--	2026-04-09 08:47
ptypes.h	2.16 KB	-rw-r--r--	2026-04-09 08:47
putil.h	6.32 KB	-rw-r--r--	2026-04-09 08:47
rbbi.h	31.73 KB	-rw-r--r--	2026-04-09 08:47
rbnf.h	57.19 KB	-rw-r--r--	2026-04-09 08:47
rbtz.h	15.75 KB	-rw-r--r--	2026-04-09 08:47
regex.h	83.83 KB	-rw-r--r--	2026-04-09 08:47
region.h	9.2 KB	-rw-r--r--	2026-04-09 08:47
reldatefmt.h	22.69 KB	-rw-r--r--	2026-04-09 08:47
rep.h	9.38 KB	-rw-r--r--	2026-04-09 08:47
resbund.h	18.02 KB	-rw-r--r--	2026-04-09 08:47
schriter.h	6.09 KB	-rw-r--r--	2026-04-09 08:47
scientificnumberformatter.h	6.44 KB	-rw-r--r--	2026-04-09 08:47
search.h	22.21 KB	-rw-r--r--	2026-04-09 08:47
selfmt.h	14.35 KB	-rw-r--r--	2026-04-09 08:47
simpleformatter.h	12.6 KB	-rw-r--r--	2026-04-09 08:47
simplenumberformatter.h	8.87 KB	-rw-r--r--	2026-04-09 08:47
simpletz.h	45.62 KB	-rw-r--r--	2026-04-09 08:47
smpdtfmt.h	57.57 KB	-rw-r--r--	2026-04-09 08:47
sortkey.h	11.13 KB	-rw-r--r--	2026-04-09 08:47
std_string.h	1.05 KB	-rw-r--r--	2026-04-09 08:47
strenum.h	9.96 KB	-rw-r--r--	2026-04-09 08:47
stringoptions.h	5.79 KB	-rw-r--r--	2026-04-09 08:47
stringpiece.h	10.29 KB	-rw-r--r--	2026-04-09 08:47
stringtriebuilder.h	15.53 KB	-rw-r--r--	2026-04-09 08:47
stsearch.h	21.43 KB	-rw-r--r--	2026-04-09 08:47
symtable.h	4.28 KB	-rw-r--r--	2026-04-09 08:47
tblcoll.h	38.79 KB	-rw-r--r--	2026-04-09 08:47
timezone.h	45.59 KB	-rw-r--r--	2026-04-09 08:47
tmunit.h	3.37 KB	-rw-r--r--	2026-04-09 08:47
tmutamt.h	4.9 KB	-rw-r--r--	2026-04-09 08:47
tmutfmt.h	7.42 KB	-rw-r--r--	2026-04-09 08:47
translit.h	65.81 KB	-rw-r--r--	2026-04-09 08:47
tzfmt.h	44.76 KB	-rw-r--r--	2026-04-09 08:47
tznames.h	16.85 KB	-rw-r--r--	2026-04-09 08:47
tzrule.h	34.81 KB	-rw-r--r--	2026-04-09 08:47
tztrans.h	6.11 KB	-rw-r--r--	2026-04-09 08:47
ubidi.h	89.61 KB	-rw-r--r--	2026-04-09 08:47
ubiditransform.h	12.71 KB	-rw-r--r--	2026-04-09 08:47
ubrk.h	24.43 KB	-rw-r--r--	2026-04-09 08:47
ucal.h	63.95 KB	-rw-r--r--	2026-04-09 08:47
ucasemap.h	15.27 KB	-rw-r--r--	2026-04-09 08:47
ucat.h	5.35 KB	-rw-r--r--	2026-04-09 08:47
uchar.h	152.33 KB	-rw-r--r--	2026-04-09 08:47
ucharstrie.h	22.59 KB	-rw-r--r--	2026-04-09 08:47
ucharstriebuilder.h	7.48 KB	-rw-r--r--	2026-04-09 08:47
uchriter.h	13.24 KB	-rw-r--r--	2026-04-09 08:47
uclean.h	11.21 KB	-rw-r--r--	2026-04-09 08:47
ucnv.h	83.34 KB	-rw-r--r--	2026-04-09 08:47
ucnv_cb.h	6.58 KB	-rw-r--r--	2026-04-09 08:47
ucnv_err.h	20.98 KB	-rw-r--r--	2026-04-09 08:47
ucnvsel.h	6.24 KB	-rw-r--r--	2026-04-09 08:47
ucol.h	67.35 KB	-rw-r--r--	2026-04-09 08:47
ucoleitr.h	9.82 KB	-rw-r--r--	2026-04-09 08:47
uconfig.h	12.56 KB	-rw-r--r--	2026-04-09 08:47
ucpmap.h	5.54 KB	-rw-r--r--	2026-04-09 08:47
ucptrie.h	22.51 KB	-rw-r--r--	2026-04-09 08:47
ucsdet.h	14.69 KB	-rw-r--r--	2026-04-09 08:47
ucurr.h	16.72 KB	-rw-r--r--	2026-04-09 08:47
udat.h	62.66 KB	-rw-r--r--	2026-04-09 08:47
udata.h	15.63 KB	-rw-r--r--	2026-04-09 08:47
udateintervalformat.h	11.93 KB	-rw-r--r--	2026-04-09 08:47
udatpg.h	30.13 KB	-rw-r--r--	2026-04-09 08:47
udisplaycontext.h	5.94 KB	-rw-r--r--	2026-04-09 08:47
udisplayoptions.h	8.86 KB	-rw-r--r--	2026-04-09 08:47
uenum.h	7.79 KB	-rw-r--r--	2026-04-09 08:47
ufieldpositer.h	4.41 KB	-rw-r--r--	2026-04-09 08:47
uformattable.h	10.97 KB	-rw-r--r--	2026-04-09 08:47
uformattednumber.h	8.09 KB	-rw-r--r--	2026-04-09 08:47
uformattedvalue.h	12.25 KB	-rw-r--r--	2026-04-09 08:47
ugender.h	2.06 KB	-rw-r--r--	2026-04-09 08:47
uidna.h	34.12 KB	-rw-r--r--	2026-04-09 08:47
uiter.h	22.75 KB	-rw-r--r--	2026-04-09 08:47
uldnames.h	10.48 KB	-rw-r--r--	2026-04-09 08:47
ulistformatter.h	10.78 KB	-rw-r--r--	2026-04-09 08:47
uloc.h	55.38 KB	-rw-r--r--	2026-04-09 08:47
ulocale.h	6.31 KB	-rw-r--r--	2026-04-09 08:47
ulocbuilder.h	16.69 KB	-rw-r--r--	2026-04-09 08:47
ulocdata.h	11.3 KB	-rw-r--r--	2026-04-09 08:47
umachine.h	15.25 KB	-rw-r--r--	2026-04-09 08:47
umisc.h	1.34 KB	-rw-r--r--	2026-04-09 08:47
umsg.h	24.25 KB	-rw-r--r--	2026-04-09 08:47
umutablecptrie.h	8.3 KB	-rw-r--r--	2026-04-09 08:47
unifilt.h	4 KB	-rw-r--r--	2026-04-09 08:47
unifunct.h	4.05 KB	-rw-r--r--	2026-04-09 08:47
unimatch.h	6.1 KB	-rw-r--r--	2026-04-09 08:47
unirepl.h	3.38 KB	-rw-r--r--	2026-04-09 08:47
uniset.h	70.18 KB	-rw-r--r--	2026-04-09 08:47
unistr.h	184.51 KB	-rw-r--r--	2026-04-09 08:47
unorm.h	20.55 KB	-rw-r--r--	2026-04-09 08:47
unorm2.h	25.66 KB	-rw-r--r--	2026-04-09 08:47
unum.h	55.16 KB	-rw-r--r--	2026-04-09 08:47
unumberformatter.h	19.68 KB	-rw-r--r--	2026-04-09 08:47
unumberoptions.h	5.23 KB	-rw-r--r--	2026-04-09 08:47
unumberrangeformatter.h	15.35 KB	-rw-r--r--	2026-04-09 08:47
unumsys.h	7.26 KB	-rw-r--r--	2026-04-09 08:47
uobject.h	10.6 KB	-rw-r--r--	2026-04-09 08:47
upluralrules.h	8.79 KB	-rw-r--r--	2026-04-09 08:47
uregex.h	71.99 KB	-rw-r--r--	2026-04-09 08:47
uregion.h	9.81 KB	-rw-r--r--	2026-04-09 08:47
ureldatefmt.h	16.98 KB	-rw-r--r--	2026-04-09 08:47
urename.h	142.22 KB	-rw-r--r--	2026-04-09 08:47
urep.h	5.38 KB	-rw-r--r--	2026-04-09 08:47
ures.h	36.65 KB	-rw-r--r--	2026-04-09 08:47
uscript.h	28.95 KB	-rw-r--r--	2026-04-09 08:47
usearch.h	39.21 KB	-rw-r--r--	2026-04-09 08:47
uset.h	63.03 KB	-rw-r--r--	2026-04-09 08:47
usetiter.h	9.63 KB	-rw-r--r--	2026-04-09 08:47
ushape.h	18 KB	-rw-r--r--	2026-04-09 08:47
usimplenumberformatter.h	7.31 KB	-rw-r--r--	2026-04-09 08:47
uspoof.h	80 KB	-rw-r--r--	2026-04-09 08:47
usprep.h	8.19 KB	-rw-r--r--	2026-04-09 08:47
ustdio.h	38.58 KB	-rw-r--r--	2026-04-09 08:47
ustream.h	1.89 KB	-rw-r--r--	2026-04-09 08:47
ustring.h	72.16 KB	-rw-r--r--	2026-04-09 08:47
ustringtrie.h	3.15 KB	-rw-r--r--	2026-04-09 08:47
utext.h	58.1 KB	-rw-r--r--	2026-04-09 08:47
utf.h	8.65 KB	-rw-r--r--	2026-04-09 08:47
utf16.h	23.35 KB	-rw-r--r--	2026-04-09 08:47
utf32.h	763 B	-rw-r--r--	2026-04-09 08:47
utf8.h	31.65 KB	-rw-r--r--	2026-04-09 08:47
utf_old.h	45.85 KB	-rw-r--r--	2026-04-09 08:47
utfiterator.h	95.02 KB	-rw-r--r--	2026-04-09 08:47
utfstring.h	4.89 KB	-rw-r--r--	2026-04-09 08:47
utmscale.h	13.78 KB	-rw-r--r--	2026-04-09 08:47
utrace.h	17.18 KB	-rw-r--r--	2026-04-09 08:47
utrans.h	25.54 KB	-rw-r--r--	2026-04-09 08:47
utypes.h	36.73 KB	-rw-r--r--	2026-04-09 08:47
uvernum.h	6.33 KB	-rw-r--r--	2026-04-09 08:47
uversion.h	8.21 KB	-rw-r--r--	2026-04-09 08:47
vtzone.h	20.68 KB	-rw-r--r--	2026-04-09 08:47

Rename

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2007-2013, International Business Machines Corporation and
* others. All Rights Reserved.
*******************************************************************************
*/
#ifndef BASICTZ_H
#define BASICTZ_H

/**
 * \file 
 * \brief C++ API: ICU TimeZone base class
 */

#include "unicode/utypes.h"

#if U_SHOW_CPLUSPLUS_API

#if !UCONFIG_NO_FORMATTING

#include "unicode/timezone.h"
#include "unicode/tzrule.h"
#include "unicode/tztrans.h"

U_NAMESPACE_BEGIN

// forward declarations
class UVector;

/**
 * <code>BasicTimeZone</code> is an abstract class extending <code>TimeZone</code>.
 * This class provides some additional methods to access time zone transitions and rules.
 * All ICU <code>TimeZone</code> concrete subclasses extend this class.
 * @stable ICU 3.8
 */
class U_I18N_API BasicTimeZone: public TimeZone {
public:
    /**
     * Destructor.
     * @stable ICU 3.8
     */
    virtual ~BasicTimeZone();

/**
     * Clones this object polymorphically.
     * The caller owns the result and should delete it when done.
     * @return clone, or nullptr if an error occurred
     * @stable ICU 3.8
     */
    virtual BasicTimeZone* clone() const override = 0;

/**
     * Gets the first time zone transition after the base time.
     * @param base      The base time.
     * @param inclusive Whether the base time is inclusive or not.
     * @param result    Receives the first transition after the base time.
     * @return  true if the transition is found.
     * @stable ICU 3.8
     */
    virtual UBool getNextTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const = 0;

/**
     * Gets the most recent time zone transition before the base time.
     * @param base      The base time.
     * @param inclusive Whether the base time is inclusive or not.
     * @param result    Receives the most recent transition before the base time.
     * @return  true if the transition is found.
     * @stable ICU 3.8
     */
    virtual UBool getPreviousTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const = 0;

/**
     * Checks if the time zone has equivalent transitions in the time range.
     * This method returns true when all of transition times, from/to standard
     * offsets and DST savings used by this time zone match the other in the
     * time range.
     * @param tz    The <code>BasicTimeZone</code> object to be compared with.
     * @param start The start time of the evaluated time range (inclusive)
     * @param end   The end time of the evaluated time range (inclusive)
     * @param ignoreDstAmount
     *              When true, any transitions with only daylight saving amount
     *              changes will be ignored, except either of them is zero.
     *              For example, a transition from rawoffset 3:00/dstsavings 1:00
     *              to rawoffset 2:00/dstsavings 2:00 is excluded from the comparison,
     *              but a transition from rawoffset 2:00/dstsavings 1:00 to
     *              rawoffset 3:00/dstsavings 0:00 is included.
     * @param ec    Output param to filled in with a success or an error.
     * @return      true if the other time zone has the equivalent transitions in the
     *              time range.
     * @stable ICU 3.8
     */
    virtual UBool hasEquivalentTransitions(const BasicTimeZone& tz, UDate start, UDate end,
        UBool ignoreDstAmount, UErrorCode& ec) const;

/**
     * Returns the number of <code>TimeZoneRule</code>s which represents time transitions,
     * for this time zone, that is, all <code>TimeZoneRule</code>s for this time zone except
     * <code>InitialTimeZoneRule</code>.  The return value range is 0 or any positive value.
     * @param status    Receives error status code.
     * @return The number of <code>TimeZoneRule</code>s representing time transitions.
     * @stable ICU 3.8
     */
    virtual int32_t countTransitionRules(UErrorCode& status) const = 0;

/**
     * Gets the <code>InitialTimeZoneRule</code> and the set of <code>TimeZoneRule</code>
     * which represent time transitions for this time zone.  On successful return,
     * the argument initial points to non-nullptr <code>InitialTimeZoneRule</code> and
     * the array trsrules is filled with 0 or multiple <code>TimeZoneRule</code>
     * instances up to the size specified by trscount.  The results are referencing the
     * rule instance held by this time zone instance.  Therefore, after this time zone
     * is destructed, they are no longer available.
     * @param initial       Receives the initial timezone rule
     * @param trsrules      Receives the timezone transition rules
     * @param trscount      On input, specify the size of the array 'transitions' receiving
     *                      the timezone transition rules.  On output, actual number of
     *                      rules filled in the array will be set.
     * @param status        Receives error status code.
     * @stable ICU 3.8
     */
    virtual void getTimeZoneRules(const InitialTimeZoneRule*& initial,
        const TimeZoneRule* trsrules[], int32_t& trscount, UErrorCode& status) const = 0;

/**
     * Gets the set of time zone rules valid at the specified time.  Some known external time zone
     * implementations are not capable to handle historic time zone rule changes.  Also some
     * implementations can only handle certain type of rule definitions.
     * If this time zone does not use any daylight saving time within about 1 year from the specified
     * time, only the <code>InitialTimeZone</code> is returned.  Otherwise, the rule for standard
     * time and daylight saving time transitions are returned in addition to the
     * <code>InitialTimeZoneRule</code>.  The standard and daylight saving time transition rules are
     * represented by <code>AnnualTimeZoneRule</code> with <code>DateTimeRule::DOW</code> for its date
     * rule and <code>DateTimeRule::WALL_TIME</code> for its time rule.  Because daylight saving time
     * rule is changing time to time in many time zones and also mapping a transition time rule to
     * different type is lossy transformation, the set of rules returned by this method may be valid
     * for short period of time.
     * The time zone rule objects returned by this method is owned by the caller, so the caller is
     * responsible for deleting them after use.
     * @param date      The date used for extracting time zone rules.
     * @param initial   Receives the <code>InitialTimeZone</code>, always not nullptr.
     * @param std       Receives the <code>AnnualTimeZoneRule</code> for standard time transitions.
     *                  When this time time zone does not observe daylight saving times around the
     *                  specified date, nullptr is set.
     * @param dst       Receives the <code>AnnualTimeZoneRule</code> for daylight saving time
     *                  transitions.  When this time zone does not observer daylight saving times
     *                  around the specified date, nullptr is set.
     * @param status    Receives error status code.
     * @stable ICU 3.8
     */
    virtual void getSimpleRulesNear(UDate date, InitialTimeZoneRule*& initial,
        AnnualTimeZoneRule*& std, AnnualTimeZoneRule*& dst, UErrorCode& status) const;

/**
     * Get time zone offsets from local wall time.
     * @stable ICU 69
     */
    virtual void getOffsetFromLocal(
        UDate date, UTimeZoneLocalOption nonExistingTimeOpt,
        UTimeZoneLocalOption duplicatedTimeOpt, int32_t& rawOffset,
        int32_t& dstOffset, UErrorCode& status) const;

#ifndef U_HIDE_INTERNAL_API
    /**
     * The time type option bit flags used by getOffsetFromLocal
     * @internal
     */
    enum {
        kStandard = 0x01,
        kDaylight = 0x03,
        kFormer = 0x04, /* UCAL_TZ_LOCAL_FORMER */
        kLatter = 0x0C  /* UCAL_TZ_LOCAL_LATTER */
    };

/**
     * Get time zone offsets from local wall time.
     * @internal
     */
    void getOffsetFromLocal(UDate date, int32_t nonExistingTimeOpt, int32_t duplicatedTimeOpt,
        int32_t& rawOffset, int32_t& dstOffset, UErrorCode& status) const;
#endif  /* U_HIDE_INTERNAL_API */

protected:

#ifndef U_HIDE_INTERNAL_API
    /**
     * A time type option bit mask used by getOffsetFromLocal.
     * @internal
     */
    static constexpr int32_t kStdDstMask = kDaylight;
    /**
     * A time type option bit mask used by getOffsetFromLocal.
     * @internal
     */
    static constexpr int32_t kFormerLatterMask = kLatter;
#endif  /* U_HIDE_INTERNAL_API */

/**
     * Default constructor.
     * @stable ICU 3.8
     */
    BasicTimeZone();

/**
     * Construct a timezone with a given ID.
     * @param id a system time zone ID
     * @stable ICU 3.8
     */
    BasicTimeZone(const UnicodeString &id);

/**
     * Copy constructor.
     * @param source the object to be copied.
     * @stable ICU 3.8
     */
    BasicTimeZone(const BasicTimeZone& source);

/**
     * Copy assignment.
     * @stable ICU 3.8
     */
    BasicTimeZone& operator=(const BasicTimeZone&) = default;

/**
     * Gets the set of TimeZoneRule instances applicable to the specified time and after.
     * @param start     The start date used for extracting time zone rules
     * @param initial   Output parameter, receives the InitialTimeZone.
     *                  Always not nullptr (except in case of error)
     * @param transitionRules   Output parameter, a UVector of transition rules.
     *                  May be nullptr, if there are no transition rules.
     *                  The caller owns the returned vector; the UVector owns the rules.
     * @param status    Receives error status code
     */
    void getTimeZoneRulesAfter(UDate start, InitialTimeZoneRule*& initial, UVector*& transitionRules,
        UErrorCode& status) const;
};

U_NAMESPACE_END

#endif /* #if !UCONFIG_NO_FORMATTING */

#endif /* U_SHOW_CPLUSPLUS_API */

#endif // BASICTZ_H

//eof