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Edit File: CarbonInterface.php

<?php
/**
 * This file is part of the Carbon package.
 *
 * (c) Brian Nesbitt <brian@nesbot.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace MailPoetVendor\Carbon;
if (!defined('ABSPATH')) exit;
use BadMethodCallException;
use MailPoetVendor\Carbon\Exceptions\BadComparisonUnitException;
use MailPoetVendor\Carbon\Exceptions\ImmutableException;
use MailPoetVendor\Carbon\Exceptions\InvalidDateException;
use MailPoetVendor\Carbon\Exceptions\InvalidFormatException;
use MailPoetVendor\Carbon\Exceptions\UnknownGetterException;
use MailPoetVendor\Carbon\Exceptions\UnknownMethodException;
use MailPoetVendor\Carbon\Exceptions\UnknownSetterException;
use Closure;
use DateInterval;
use DateTime;
use DateTimeImmutable;
use DateTimeInterface;
use DateTimeZone;
use JsonSerializable;
use ReflectionException;
use ReturnTypeWillChange;
use MailPoetVendor\Symfony\Component\Translation\TranslatorInterface;
use Throwable;
/**
 * Common interface for Carbon and CarbonImmutable.
 *
 * <autodoc generated by `composer phpdoc`>
 *
 * @property int $year
 * @property int $yearIso
 * @property int $month
 * @property int $day
 * @property int $hour
 * @property int $minute
 * @property int $second
 * @property int $micro
 * @property int $microsecond
 * @property int|float|string $timestamp seconds since the Unix Epoch
 * @property string $englishDayOfWeek the day of week in English
 * @property string $shortEnglishDayOfWeek the abbreviated day of week in English
 * @property string $englishMonth the month in English
 * @property string $shortEnglishMonth the abbreviated month in English
 * @property int $milliseconds
 * @property int $millisecond
 * @property int $milli
 * @property int $week 1 through 53
 * @property int $isoWeek 1 through 53
 * @property int $weekYear year according to week format
 * @property int $isoWeekYear year according to ISO week format
 * @property int $dayOfYear 1 through 366
 * @property int $age does a diffInYears() with default parameters
 * @property int $offset the timezone offset in seconds from UTC
 * @property int $offsetMinutes the timezone offset in minutes from UTC
 * @property int $offsetHours the timezone offset in hours from UTC
 * @property CarbonTimeZone $timezone the current timezone
 * @property CarbonTimeZone $tz alias of $timezone
 * @property-read int $dayOfWeek 0 (for Sunday) through 6 (for Saturday)
 * @property-read int $dayOfWeekIso 1 (for Monday) through 7 (for Sunday)
 * @property-read int $weekOfYear ISO-8601 week number of year, weeks starting on Monday
 * @property-read int $daysInMonth number of days in the given month
 * @property-read string $latinMeridiem "am"/"pm" (Ante meridiem or Post meridiem latin lowercase mark)
 * @property-read string $latinUpperMeridiem "AM"/"PM" (Ante meridiem or Post meridiem latin uppercase mark)
 * @property-read string $timezoneAbbreviatedName the current timezone abbreviated name
 * @property-read string $tzAbbrName alias of $timezoneAbbreviatedName
 * @property-read string $dayName long name of weekday translated according to Carbon locale, in english if no translation available for current language
 * @property-read string $shortDayName short name of weekday translated according to Carbon locale, in english if no translation available for current language
 * @property-read string $minDayName very short name of weekday translated according to Carbon locale, in english if no translation available for current language
 * @property-read string $monthName long name of month translated according to Carbon locale, in english if no translation available for current language
 * @property-read string $shortMonthName short name of month translated according to Carbon locale, in english if no translation available for current language
 * @property-read string $meridiem lowercase meridiem mark translated according to Carbon locale, in latin if no translation available for current language
 * @property-read string $upperMeridiem uppercase meridiem mark translated according to Carbon locale, in latin if no translation available for current language
 * @property-read int $noZeroHour current hour from 1 to 24
 * @property-read int $weeksInYear 51 through 53
 * @property-read int $isoWeeksInYear 51 through 53
 * @property-read int $weekOfMonth 1 through 5
 * @property-read int $weekNumberInMonth 1 through 5
 * @property-read int $firstWeekDay 0 through 6
 * @property-read int $lastWeekDay 0 through 6
 * @property-read int $daysInYear 365 or 366
 * @property-read int $quarter the quarter of this instance, 1 - 4
 * @property-read int $decade the decade of this instance
 * @property-read int $century the century of this instance
 * @property-read int $millennium the millennium of this instance
 * @property-read bool $dst daylight savings time indicator, true if DST, false otherwise
 * @property-read bool $local checks if the timezone is local, true if local, false otherwise
 * @property-read bool $utc checks if the timezone is UTC, true if UTC, false otherwise
 * @property-read string $timezoneName the current timezone name
 * @property-read string $tzName alias of $timezoneName
 * @property-read string $locale locale of the current instance
 *
 * @method bool isUtc() Check if the current instance has UTC timezone. (Both isUtc and isUTC cases are valid.)
 * @method bool isLocal() Check if the current instance has non-UTC timezone.
 * @method bool isValid() Check if the current instance is a valid date.
 * @method bool isDST() Check if the current instance is in a daylight saving time.
 * @method bool isSunday() Checks if the instance day is sunday.
 * @method bool isMonday() Checks if the instance day is monday.
 * @method bool isTuesday() Checks if the instance day is tuesday.
 * @method bool isWednesday() Checks if the instance day is wednesday.
 * @method bool isThursday() Checks if the instance day is thursday.
 * @method bool isFriday() Checks if the instance day is friday.
 * @method bool isSaturday() Checks if the instance day is saturday.
 * @method bool isSameYear(Carbon|DateTimeInterface|string|null $date = null) Checks if the given date is in the same year as the instance. If null passed, compare to now (with the same timezone).
 * @method bool isCurrentYear() Checks if the instance is in the same year as the current moment.
 * @method bool isNextYear() Checks if the instance is in the same year as the current moment next year.
 * @method bool isLastYear() Checks if the instance is in the same year as the current moment last year.
 * @method bool isSameWeek(Carbon|DateTimeInterface|string|null $date = null) Checks if the given date is in the same week as the instance. If null passed, compare to now (with the same timezone).
 * @method bool isCurrentWeek() Checks if the instance is in the same week as the current moment.
 * @method bool isNextWeek() Checks if the instance is in the same week as the current moment next week.
 * @method bool isLastWeek() Checks if the instance is in the same week as the current moment last week.
 * @method bool isSameDay(Carbon|DateTimeInterface|string|null $date = null) Checks if the given date is in the same day as the instance. If null passed, compare to now (with the same timezone).
 * @method bool isCurrentDay() Checks if the instance is in the same day as the current moment.
 * @method bool isNextDay() Checks if the instance is in the same day as the current moment next day.
 * @method bool isLastDay() Checks if the instance is in the same day as the current moment last day.
 * @method bool isSameHour(Carbon|DateTimeInterface|string|null $date = null) Checks if the given date is in the same hour as the instance. If null passed, compare to now (with the same timezone).
 * @method bool isCurrentHour() Checks if the instance is in the same hour as the current moment.
 * @method bool isNextHour() Checks if the instance is in the same hour as the current moment next hour.
 * @method bool isLastHour() Checks if the instance is in the same hour as the current moment last hour.
 * @method bool isSameMinute(Carbon|DateTimeInterface|string|null $date = null) Checks if the given date is in the same minute as the instance. If null passed, compare to now (with the same timezone).
 * @method bool isCurrentMinute() Checks if the instance is in the same minute as the current moment.
 * @method bool isNextMinute() Checks if the instance is in the same minute as the current moment next minute.
 * @method bool isLastMinute() Checks if the instance is in the same minute as the current moment last minute.
 * @method bool isSameSecond(Carbon|DateTimeInterface|string|null $date = null) Checks if the given date is in the same second as the instance. If null passed, compare to now (with the same timezone).
 * @method bool isCurrentSecond() Checks if the instance is in the same second as the current moment.
 * @method bool isNextSecond() Checks if the instance is in the same second as the current moment next second.
 * @method bool isLastSecond() Checks if the instance is in the same second as the current moment last second.
 * @method bool isSameMicro(Carbon|DateTimeInterface|string|null $date = null) Checks if the given date is in the same microsecond as the instance. If null passed, compare to now (with the same timezone).
 * @method bool isCurrentMicro() Checks if the instance is in the same microsecond as the current moment.
 * @method bool isNextMicro() Checks if the instance is in the same microsecond as the current moment next microsecond.
 * @method bool isLastMicro() Checks if the instance is in the same microsecond as the current moment last microsecond.
 * @method bool isSameMicrosecond(Carbon|DateTimeInterface|string|null $date = null) Checks if the given date is in the same microsecond as the instance. If null passed, compare to now (with the same timezone).
 * @method bool isCurrentMicrosecond() Checks if the instance is in the same microsecond as the current moment.
 * @method bool isNextMicrosecond() Checks if the instance is in the same microsecond as the current moment next microsecond.
 * @method bool isLastMicrosecond() Checks if the instance is in the same microsecond as the current moment last microsecond.
 * @method bool isCurrentMonth() Checks if the instance is in the same month as the current moment.
 * @method bool isNextMonth() Checks if the instance is in the same month as the current moment next month.
 * @method bool isLastMonth() Checks if the instance is in the same month as the current moment last month.
 * @method bool isCurrentQuarter() Checks if the instance is in the same quarter as the current moment.
 * @method bool isNextQuarter() Checks if the instance is in the same quarter as the current moment next quarter.
 * @method bool isLastQuarter() Checks if the instance is in the same quarter as the current moment last quarter.
 * @method bool isSameDecade(Carbon|DateTimeInterface|string|null $date = null) Checks if the given date is in the same decade as the instance. If null passed, compare to now (with the same timezone).
 * @method bool isCurrentDecade() Checks if the instance is in the same decade as the current moment.
 * @method bool isNextDecade() Checks if the instance is in the same decade as the current moment next decade.
 * @method bool isLastDecade() Checks if the instance is in the same decade as the current moment last decade.
 * @method bool isSameCentury(Carbon|DateTimeInterface|string|null $date = null) Checks if the given date is in the same century as the instance. If null passed, compare to now (with the same timezone).
 * @method bool isCurrentCentury() Checks if the instance is in the same century as the current moment.
 * @method bool isNextCentury() Checks if the instance is in the same century as the current moment next century.
 * @method bool isLastCentury() Checks if the instance is in the same century as the current moment last century.
 * @method bool isSameMillennium(Carbon|DateTimeInterface|string|null $date = null) Checks if the given date is in the same millennium as the instance. If null passed, compare to now (with the same timezone).
 * @method bool isCurrentMillennium() Checks if the instance is in the same millennium as the current moment.
 * @method bool isNextMillennium() Checks if the instance is in the same millennium as the current moment next millennium.
 * @method bool isLastMillennium() Checks if the instance is in the same millennium as the current moment last millennium.
 * @method CarbonInterface years(int $value) Set current instance year to the given value.
 * @method CarbonInterface year(int $value) Set current instance year to the given value.
 * @method CarbonInterface setYears(int $value) Set current instance year to the given value.
 * @method CarbonInterface setYear(int $value) Set current instance year to the given value.
 * @method CarbonInterface months(int $value) Set current instance month to the given value.
 * @method CarbonInterface month(int $value) Set current instance month to the given value.
 * @method CarbonInterface setMonths(int $value) Set current instance month to the given value.
 * @method CarbonInterface setMonth(int $value) Set current instance month to the given value.
 * @method CarbonInterface days(int $value) Set current instance day to the given value.
 * @method CarbonInterface day(int $value) Set current instance day to the given value.
 * @method CarbonInterface setDays(int $value) Set current instance day to the given value.
 * @method CarbonInterface setDay(int $value) Set current instance day to the given value.
 * @method CarbonInterface hours(int $value) Set current instance hour to the given value.
 * @method CarbonInterface hour(int $value) Set current instance hour to the given value.
 * @method CarbonInterface setHours(int $value) Set current instance hour to the given value.
 * @method CarbonInterface setHour(int $value) Set current instance hour to the given value.
 * @method CarbonInterface minutes(int $value) Set current instance minute to the given value.
 * @method CarbonInterface minute(int $value) Set current instance minute to the given value.
 * @method CarbonInterface setMinutes(int $value) Set current instance minute to the given value.
 * @method CarbonInterface setMinute(int $value) Set current instance minute to the given value.
 * @method CarbonInterface seconds(int $value) Set current instance second to the given value.
 * @method CarbonInterface second(int $value) Set current instance second to the given value.
 * @method CarbonInterface setSeconds(int $value) Set current instance second to the given value.
 * @method CarbonInterface setSecond(int $value) Set current instance second to the given value.
 * @method CarbonInterface millis(int $value) Set current instance millisecond to the given value.
 * @method CarbonInterface milli(int $value) Set current instance millisecond to the given value.
 * @method CarbonInterface setMillis(int $value) Set current instance millisecond to the given value.
 * @method CarbonInterface setMilli(int $value) Set current instance millisecond to the given value.
 * @method CarbonInterface milliseconds(int $value) Set current instance millisecond to the given value.
 * @method CarbonInterface millisecond(int $value) Set current instance millisecond to the given value.
 * @method CarbonInterface setMilliseconds(int $value) Set current instance millisecond to the given value.
 * @method CarbonInterface setMillisecond(int $value) Set current instance millisecond to the given value.
 * @method CarbonInterface micros(int $value) Set current instance microsecond to the given value.
 * @method CarbonInterface micro(int $value) Set current instance microsecond to the given value.
 * @method CarbonInterface setMicros(int $value) Set current instance microsecond to the given value.
 * @method CarbonInterface setMicro(int $value) Set current instance microsecond to the given value.
 * @method CarbonInterface microseconds(int $value) Set current instance microsecond to the given value.
 * @method CarbonInterface microsecond(int $value) Set current instance microsecond to the given value.
 * @method CarbonInterface setMicroseconds(int $value) Set current instance microsecond to the given value.
 * @method CarbonInterface setMicrosecond(int $value) Set current instance microsecond to the given value.
 * @method CarbonInterface addYears(int $value = 1) Add years (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface addYear() Add one year to the instance (using date interval).
 * @method CarbonInterface subYears(int $value = 1) Sub years (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface subYear() Sub one year to the instance (using date interval).
 * @method CarbonInterface addYearsWithOverflow(int $value = 1) Add years (the $value count passed in) to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface addYearWithOverflow() Add one year to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface subYearsWithOverflow(int $value = 1) Sub years (the $value count passed in) to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface subYearWithOverflow() Sub one year to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface addYearsWithoutOverflow(int $value = 1) Add years (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addYearWithoutOverflow() Add one year to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subYearsWithoutOverflow(int $value = 1) Sub years (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subYearWithoutOverflow() Sub one year to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addYearsWithNoOverflow(int $value = 1) Add years (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addYearWithNoOverflow() Add one year to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subYearsWithNoOverflow(int $value = 1) Sub years (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subYearWithNoOverflow() Sub one year to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addYearsNoOverflow(int $value = 1) Add years (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addYearNoOverflow() Add one year to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subYearsNoOverflow(int $value = 1) Sub years (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subYearNoOverflow() Sub one year to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addMonths(int $value = 1) Add months (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface addMonth() Add one month to the instance (using date interval).
 * @method CarbonInterface subMonths(int $value = 1) Sub months (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface subMonth() Sub one month to the instance (using date interval).
 * @method CarbonInterface addMonthsWithOverflow(int $value = 1) Add months (the $value count passed in) to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface addMonthWithOverflow() Add one month to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface subMonthsWithOverflow(int $value = 1) Sub months (the $value count passed in) to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface subMonthWithOverflow() Sub one month to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface addMonthsWithoutOverflow(int $value = 1) Add months (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addMonthWithoutOverflow() Add one month to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subMonthsWithoutOverflow(int $value = 1) Sub months (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subMonthWithoutOverflow() Sub one month to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addMonthsWithNoOverflow(int $value = 1) Add months (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addMonthWithNoOverflow() Add one month to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subMonthsWithNoOverflow(int $value = 1) Sub months (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subMonthWithNoOverflow() Sub one month to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addMonthsNoOverflow(int $value = 1) Add months (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addMonthNoOverflow() Add one month to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subMonthsNoOverflow(int $value = 1) Sub months (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subMonthNoOverflow() Sub one month to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addDays(int $value = 1) Add days (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface addDay() Add one day to the instance (using date interval).
 * @method CarbonInterface subDays(int $value = 1) Sub days (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface subDay() Sub one day to the instance (using date interval).
 * @method CarbonInterface addHours(int $value = 1) Add hours (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface addHour() Add one hour to the instance (using date interval).
 * @method CarbonInterface subHours(int $value = 1) Sub hours (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface subHour() Sub one hour to the instance (using date interval).
 * @method CarbonInterface addMinutes(int $value = 1) Add minutes (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface addMinute() Add one minute to the instance (using date interval).
 * @method CarbonInterface subMinutes(int $value = 1) Sub minutes (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface subMinute() Sub one minute to the instance (using date interval).
 * @method CarbonInterface addSeconds(int $value = 1) Add seconds (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface addSecond() Add one second to the instance (using date interval).
 * @method CarbonInterface subSeconds(int $value = 1) Sub seconds (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface subSecond() Sub one second to the instance (using date interval).
 * @method CarbonInterface addMillis(int $value = 1) Add milliseconds (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface addMilli() Add one millisecond to the instance (using date interval).
 * @method CarbonInterface subMillis(int $value = 1) Sub milliseconds (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface subMilli() Sub one millisecond to the instance (using date interval).
 * @method CarbonInterface addMilliseconds(int $value = 1) Add milliseconds (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface addMillisecond() Add one millisecond to the instance (using date interval).
 * @method CarbonInterface subMilliseconds(int $value = 1) Sub milliseconds (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface subMillisecond() Sub one millisecond to the instance (using date interval).
 * @method CarbonInterface addMicros(int $value = 1) Add microseconds (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface addMicro() Add one microsecond to the instance (using date interval).
 * @method CarbonInterface subMicros(int $value = 1) Sub microseconds (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface subMicro() Sub one microsecond to the instance (using date interval).
 * @method CarbonInterface addMicroseconds(int $value = 1) Add microseconds (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface addMicrosecond() Add one microsecond to the instance (using date interval).
 * @method CarbonInterface subMicroseconds(int $value = 1) Sub microseconds (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface subMicrosecond() Sub one microsecond to the instance (using date interval).
 * @method CarbonInterface addMillennia(int $value = 1) Add millennia (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface addMillennium() Add one millennium to the instance (using date interval).
 * @method CarbonInterface subMillennia(int $value = 1) Sub millennia (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface subMillennium() Sub one millennium to the instance (using date interval).
 * @method CarbonInterface addMillenniaWithOverflow(int $value = 1) Add millennia (the $value count passed in) to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface addMillenniumWithOverflow() Add one millennium to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface subMillenniaWithOverflow(int $value = 1) Sub millennia (the $value count passed in) to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface subMillenniumWithOverflow() Sub one millennium to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface addMillenniaWithoutOverflow(int $value = 1) Add millennia (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addMillenniumWithoutOverflow() Add one millennium to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subMillenniaWithoutOverflow(int $value = 1) Sub millennia (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subMillenniumWithoutOverflow() Sub one millennium to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addMillenniaWithNoOverflow(int $value = 1) Add millennia (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addMillenniumWithNoOverflow() Add one millennium to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subMillenniaWithNoOverflow(int $value = 1) Sub millennia (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subMillenniumWithNoOverflow() Sub one millennium to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addMillenniaNoOverflow(int $value = 1) Add millennia (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addMillenniumNoOverflow() Add one millennium to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subMillenniaNoOverflow(int $value = 1) Sub millennia (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subMillenniumNoOverflow() Sub one millennium to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addCenturies(int $value = 1) Add centuries (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface addCentury() Add one century to the instance (using date interval).
 * @method CarbonInterface subCenturies(int $value = 1) Sub centuries (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface subCentury() Sub one century to the instance (using date interval).
 * @method CarbonInterface addCenturiesWithOverflow(int $value = 1) Add centuries (the $value count passed in) to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface addCenturyWithOverflow() Add one century to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface subCenturiesWithOverflow(int $value = 1) Sub centuries (the $value count passed in) to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface subCenturyWithOverflow() Sub one century to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface addCenturiesWithoutOverflow(int $value = 1) Add centuries (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addCenturyWithoutOverflow() Add one century to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subCenturiesWithoutOverflow(int $value = 1) Sub centuries (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subCenturyWithoutOverflow() Sub one century to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addCenturiesWithNoOverflow(int $value = 1) Add centuries (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addCenturyWithNoOverflow() Add one century to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subCenturiesWithNoOverflow(int $value = 1) Sub centuries (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subCenturyWithNoOverflow() Sub one century to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addCenturiesNoOverflow(int $value = 1) Add centuries (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addCenturyNoOverflow() Add one century to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subCenturiesNoOverflow(int $value = 1) Sub centuries (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subCenturyNoOverflow() Sub one century to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addDecades(int $value = 1) Add decades (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface addDecade() Add one decade to the instance (using date interval).
 * @method CarbonInterface subDecades(int $value = 1) Sub decades (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface subDecade() Sub one decade to the instance (using date interval).
 * @method CarbonInterface addDecadesWithOverflow(int $value = 1) Add decades (the $value count passed in) to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface addDecadeWithOverflow() Add one decade to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface subDecadesWithOverflow(int $value = 1) Sub decades (the $value count passed in) to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface subDecadeWithOverflow() Sub one decade to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface addDecadesWithoutOverflow(int $value = 1) Add decades (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addDecadeWithoutOverflow() Add one decade to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subDecadesWithoutOverflow(int $value = 1) Sub decades (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subDecadeWithoutOverflow() Sub one decade to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addDecadesWithNoOverflow(int $value = 1) Add decades (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addDecadeWithNoOverflow() Add one decade to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subDecadesWithNoOverflow(int $value = 1) Sub decades (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subDecadeWithNoOverflow() Sub one decade to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addDecadesNoOverflow(int $value = 1) Add decades (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addDecadeNoOverflow() Add one decade to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subDecadesNoOverflow(int $value = 1) Sub decades (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subDecadeNoOverflow() Sub one decade to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addQuarters(int $value = 1) Add quarters (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface addQuarter() Add one quarter to the instance (using date interval).
 * @method CarbonInterface subQuarters(int $value = 1) Sub quarters (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface subQuarter() Sub one quarter to the instance (using date interval).
 * @method CarbonInterface addQuartersWithOverflow(int $value = 1) Add quarters (the $value count passed in) to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface addQuarterWithOverflow() Add one quarter to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface subQuartersWithOverflow(int $value = 1) Sub quarters (the $value count passed in) to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface subQuarterWithOverflow() Sub one quarter to the instance (using date interval) with overflow explicitly allowed.
 * @method CarbonInterface addQuartersWithoutOverflow(int $value = 1) Add quarters (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addQuarterWithoutOverflow() Add one quarter to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subQuartersWithoutOverflow(int $value = 1) Sub quarters (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subQuarterWithoutOverflow() Sub one quarter to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addQuartersWithNoOverflow(int $value = 1) Add quarters (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addQuarterWithNoOverflow() Add one quarter to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subQuartersWithNoOverflow(int $value = 1) Sub quarters (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subQuarterWithNoOverflow() Sub one quarter to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addQuartersNoOverflow(int $value = 1) Add quarters (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addQuarterNoOverflow() Add one quarter to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subQuartersNoOverflow(int $value = 1) Sub quarters (the $value count passed in) to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface subQuarterNoOverflow() Sub one quarter to the instance (using date interval) with overflow explicitly forbidden.
 * @method CarbonInterface addWeeks(int $value = 1) Add weeks (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface addWeek() Add one week to the instance (using date interval).
 * @method CarbonInterface subWeeks(int $value = 1) Sub weeks (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface subWeek() Sub one week to the instance (using date interval).
 * @method CarbonInterface addWeekdays(int $value = 1) Add weekdays (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface addWeekday() Add one weekday to the instance (using date interval).
 * @method CarbonInterface subWeekdays(int $value = 1) Sub weekdays (the $value count passed in) to the instance (using date interval).
 * @method CarbonInterface subWeekday() Sub one weekday to the instance (using date interval).
 * @method CarbonInterface addRealMicros(int $value = 1) Add microseconds (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface addRealMicro() Add one microsecond to the instance (using timestamp).
 * @method CarbonInterface subRealMicros(int $value = 1) Sub microseconds (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface subRealMicro() Sub one microsecond to the instance (using timestamp).
 * @method CarbonPeriod microsUntil($endDate = null, int $factor = 1) Return an iterable period from current date to given end (string, DateTime or Carbon instance) for each microsecond or every X microseconds if a factor is given.
 * @method CarbonInterface addRealMicroseconds(int $value = 1) Add microseconds (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface addRealMicrosecond() Add one microsecond to the instance (using timestamp).
 * @method CarbonInterface subRealMicroseconds(int $value = 1) Sub microseconds (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface subRealMicrosecond() Sub one microsecond to the instance (using timestamp).
 * @method CarbonPeriod microsecondsUntil($endDate = null, int $factor = 1) Return an iterable period from current date to given end (string, DateTime or Carbon instance) for each microsecond or every X microseconds if a factor is given.
 * @method CarbonInterface addRealMillis(int $value = 1) Add milliseconds (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface addRealMilli() Add one millisecond to the instance (using timestamp).
 * @method CarbonInterface subRealMillis(int $value = 1) Sub milliseconds (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface subRealMilli() Sub one millisecond to the instance (using timestamp).
 * @method CarbonPeriod millisUntil($endDate = null, int $factor = 1) Return an iterable period from current date to given end (string, DateTime or Carbon instance) for each millisecond or every X milliseconds if a factor is given.
 * @method CarbonInterface addRealMilliseconds(int $value = 1) Add milliseconds (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface addRealMillisecond() Add one millisecond to the instance (using timestamp).
 * @method CarbonInterface subRealMilliseconds(int $value = 1) Sub milliseconds (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface subRealMillisecond() Sub one millisecond to the instance (using timestamp).
 * @method CarbonPeriod millisecondsUntil($endDate = null, int $factor = 1) Return an iterable period from current date to given end (string, DateTime or Carbon instance) for each millisecond or every X milliseconds if a factor is given.
 * @method CarbonInterface addRealSeconds(int $value = 1) Add seconds (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface addRealSecond() Add one second to the instance (using timestamp).
 * @method CarbonInterface subRealSeconds(int $value = 1) Sub seconds (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface subRealSecond() Sub one second to the instance (using timestamp).
 * @method CarbonPeriod secondsUntil($endDate = null, int $factor = 1) Return an iterable period from current date to given end (string, DateTime or Carbon instance) for each second or every X seconds if a factor is given.
 * @method CarbonInterface addRealMinutes(int $value = 1) Add minutes (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface addRealMinute() Add one minute to the instance (using timestamp).
 * @method CarbonInterface subRealMinutes(int $value = 1) Sub minutes (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface subRealMinute() Sub one minute to the instance (using timestamp).
 * @method CarbonPeriod minutesUntil($endDate = null, int $factor = 1) Return an iterable period from current date to given end (string, DateTime or Carbon instance) for each minute or every X minutes if a factor is given.
 * @method CarbonInterface addRealHours(int $value = 1) Add hours (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface addRealHour() Add one hour to the instance (using timestamp).
 * @method CarbonInterface subRealHours(int $value = 1) Sub hours (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface subRealHour() Sub one hour to the instance (using timestamp).
 * @method CarbonPeriod hoursUntil($endDate = null, int $factor = 1) Return an iterable period from current date to given end (string, DateTime or Carbon instance) for each hour or every X hours if a factor is given.
 * @method CarbonInterface addRealDays(int $value = 1) Add days (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface addRealDay() Add one day to the instance (using timestamp).
 * @method CarbonInterface subRealDays(int $value = 1) Sub days (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface subRealDay() Sub one day to the instance (using timestamp).
 * @method CarbonPeriod daysUntil($endDate = null, int $factor = 1) Return an iterable period from current date to given end (string, DateTime or Carbon instance) for each day or every X days if a factor is given.
 * @method CarbonInterface addRealWeeks(int $value = 1) Add weeks (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface addRealWeek() Add one week to the instance (using timestamp).
 * @method CarbonInterface subRealWeeks(int $value = 1) Sub weeks (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface subRealWeek() Sub one week to the instance (using timestamp).
 * @method CarbonPeriod weeksUntil($endDate = null, int $factor = 1) Return an iterable period from current date to given end (string, DateTime or Carbon instance) for each week or every X weeks if a factor is given.
 * @method CarbonInterface addRealMonths(int $value = 1) Add months (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface addRealMonth() Add one month to the instance (using timestamp).
 * @method CarbonInterface subRealMonths(int $value = 1) Sub months (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface subRealMonth() Sub one month to the instance (using timestamp).
 * @method CarbonPeriod monthsUntil($endDate = null, int $factor = 1) Return an iterable period from current date to given end (string, DateTime or Carbon instance) for each month or every X months if a factor is given.
 * @method CarbonInterface addRealQuarters(int $value = 1) Add quarters (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface addRealQuarter() Add one quarter to the instance (using timestamp).
 * @method CarbonInterface subRealQuarters(int $value = 1) Sub quarters (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface subRealQuarter() Sub one quarter to the instance (using timestamp).
 * @method CarbonPeriod quartersUntil($endDate = null, int $factor = 1) Return an iterable period from current date to given end (string, DateTime or Carbon instance) for each quarter or every X quarters if a factor is given.
 * @method CarbonInterface addRealYears(int $value = 1) Add years (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface addRealYear() Add one year to the instance (using timestamp).
 * @method CarbonInterface subRealYears(int $value = 1) Sub years (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface subRealYear() Sub one year to the instance (using timestamp).
 * @method CarbonPeriod yearsUntil($endDate = null, int $factor = 1) Return an iterable period from current date to given end (string, DateTime or Carbon instance) for each year or every X years if a factor is given.
 * @method CarbonInterface addRealDecades(int $value = 1) Add decades (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface addRealDecade() Add one decade to the instance (using timestamp).
 * @method CarbonInterface subRealDecades(int $value = 1) Sub decades (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface subRealDecade() Sub one decade to the instance (using timestamp).
 * @method CarbonPeriod decadesUntil($endDate = null, int $factor = 1) Return an iterable period from current date to given end (string, DateTime or Carbon instance) for each decade or every X decades if a factor is given.
 * @method CarbonInterface addRealCenturies(int $value = 1) Add centuries (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface addRealCentury() Add one century to the instance (using timestamp).
 * @method CarbonInterface subRealCenturies(int $value = 1) Sub centuries (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface subRealCentury() Sub one century to the instance (using timestamp).
 * @method CarbonPeriod centuriesUntil($endDate = null, int $factor = 1) Return an iterable period from current date to given end (string, DateTime or Carbon instance) for each century or every X centuries if a factor is given.
 * @method CarbonInterface addRealMillennia(int $value = 1) Add millennia (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface addRealMillennium() Add one millennium to the instance (using timestamp).
 * @method CarbonInterface subRealMillennia(int $value = 1) Sub millennia (the $value count passed in) to the instance (using timestamp).
 * @method CarbonInterface subRealMillennium() Sub one millennium to the instance (using timestamp).
 * @method CarbonPeriod millenniaUntil($endDate = null, int $factor = 1) Return an iterable period from current date to given end (string, DateTime or Carbon instance) for each millennium or every X millennia if a factor is given.
 * @method CarbonInterface roundYear(float $precision = 1, string $function = "round") Round the current instance year with given precision using the given function.
 * @method CarbonInterface roundYears(float $precision = 1, string $function = "round") Round the current instance year with given precision using the given function.
 * @method CarbonInterface floorYear(float $precision = 1) Truncate the current instance year with given precision.
 * @method CarbonInterface floorYears(float $precision = 1) Truncate the current instance year with given precision.
 * @method CarbonInterface ceilYear(float $precision = 1) Ceil the current instance year with given precision.
 * @method CarbonInterface ceilYears(float $precision = 1) Ceil the current instance year with given precision.
 * @method CarbonInterface roundMonth(float $precision = 1, string $function = "round") Round the current instance month with given precision using the given function.
 * @method CarbonInterface roundMonths(float $precision = 1, string $function = "round") Round the current instance month with given precision using the given function.
 * @method CarbonInterface floorMonth(float $precision = 1) Truncate the current instance month with given precision.
 * @method CarbonInterface floorMonths(float $precision = 1) Truncate the current instance month with given precision.
 * @method CarbonInterface ceilMonth(float $precision = 1) Ceil the current instance month with given precision.
 * @method CarbonInterface ceilMonths(float $precision = 1) Ceil the current instance month with given precision.
 * @method CarbonInterface roundDay(float $precision = 1, string $function = "round") Round the current instance day with given precision using the given function.
 * @method CarbonInterface roundDays(float $precision = 1, string $function = "round") Round the current instance day with given precision using the given function.
 * @method CarbonInterface floorDay(float $precision = 1) Truncate the current instance day with given precision.
 * @method CarbonInterface floorDays(float $precision = 1) Truncate the current instance day with given precision.
 * @method CarbonInterface ceilDay(float $precision = 1) Ceil the current instance day with given precision.
 * @method CarbonInterface ceilDays(float $precision = 1) Ceil the current instance day with given precision.
 * @method CarbonInterface roundHour(float $precision = 1, string $function = "round") Round the current instance hour with given precision using the given function.
 * @method CarbonInterface roundHours(float $precision = 1, string $function = "round") Round the current instance hour with given precision using the given function.
 * @method CarbonInterface floorHour(float $precision = 1) Truncate the current instance hour with given precision.
 * @method CarbonInterface floorHours(float $precision = 1) Truncate the current instance hour with given precision.
 * @method CarbonInterface ceilHour(float $precision = 1) Ceil the current instance hour with given precision.
 * @method CarbonInterface ceilHours(float $precision = 1) Ceil the current instance hour with given precision.
 * @method CarbonInterface roundMinute(float $precision = 1, string $function = "round") Round the current instance minute with given precision using the given function.
 * @method CarbonInterface roundMinutes(float $precision = 1, string $function = "round") Round the current instance minute with given precision using the given function.
 * @method CarbonInterface floorMinute(float $precision = 1) Truncate the current instance minute with given precision.
 * @method CarbonInterface floorMinutes(float $precision = 1) Truncate the current instance minute with given precision.
 * @method CarbonInterface ceilMinute(float $precision = 1) Ceil the current instance minute with given precision.
 * @method CarbonInterface ceilMinutes(float $precision = 1) Ceil the current instance minute with given precision.
 * @method CarbonInterface roundSecond(float $precision = 1, string $function = "round") Round the current instance second with given precision using the given function.
 * @method CarbonInterface roundSeconds(float $precision = 1, string $function = "round") Round the current instance second with given precision using the given function.
 * @method CarbonInterface floorSecond(float $precision = 1) Truncate the current instance second with given precision.
 * @method CarbonInterface floorSeconds(float $precision = 1) Truncate the current instance second with given precision.
 * @method CarbonInterface ceilSecond(float $precision = 1) Ceil the current instance second with given precision.
 * @method CarbonInterface ceilSeconds(float $precision = 1) Ceil the current instance second with given precision.
 * @method CarbonInterface roundMillennium(float $precision = 1, string $function = "round") Round the current instance millennium with given precision using the given function.
 * @method CarbonInterface roundMillennia(float $precision = 1, string $function = "round") Round the current instance millennium with given precision using the given function.
 * @method CarbonInterface floorMillennium(float $precision = 1) Truncate the current instance millennium with given precision.
 * @method CarbonInterface floorMillennia(float $precision = 1) Truncate the current instance millennium with given precision.
 * @method CarbonInterface ceilMillennium(float $precision = 1) Ceil the current instance millennium with given precision.
 * @method CarbonInterface ceilMillennia(float $precision = 1) Ceil the current instance millennium with given precision.
 * @method CarbonInterface roundCentury(float $precision = 1, string $function = "round") Round the current instance century with given precision using the given function.
 * @method CarbonInterface roundCenturies(float $precision = 1, string $function = "round") Round the current instance century with given precision using the given function.
 * @method CarbonInterface floorCentury(float $precision = 1) Truncate the current instance century with given precision.
 * @method CarbonInterface floorCenturies(float $precision = 1) Truncate the current instance century with given precision.
 * @method CarbonInterface ceilCentury(float $precision = 1) Ceil the current instance century with given precision.
 * @method CarbonInterface ceilCenturies(float $precision = 1) Ceil the current instance century with given precision.
 * @method CarbonInterface roundDecade(float $precision = 1, string $function = "round") Round the current instance decade with given precision using the given function.
 * @method CarbonInterface roundDecades(float $precision = 1, string $function = "round") Round the current instance decade with given precision using the given function.
 * @method CarbonInterface floorDecade(float $precision = 1) Truncate the current instance decade with given precision.
 * @method CarbonInterface floorDecades(float $precision = 1) Truncate the current instance decade with given precision.
 * @method CarbonInterface ceilDecade(float $precision = 1) Ceil the current instance decade with given precision.
 * @method CarbonInterface ceilDecades(float $precision = 1) Ceil the current instance decade with given precision.
 * @method CarbonInterface roundQuarter(float $precision = 1, string $function = "round") Round the current instance quarter with given precision using the given function.
 * @method CarbonInterface roundQuarters(float $precision = 1, string $function = "round") Round the current instance quarter with given precision using the given function.
 * @method CarbonInterface floorQuarter(float $precision = 1) Truncate the current instance quarter with given precision.
 * @method CarbonInterface floorQuarters(float $precision = 1) Truncate the current instance quarter with given precision.
 * @method CarbonInterface ceilQuarter(float $precision = 1) Ceil the current instance quarter with given precision.
 * @method CarbonInterface ceilQuarters(float $precision = 1) Ceil the current instance quarter with given precision.
 * @method CarbonInterface roundMillisecond(float $precision = 1, string $function = "round") Round the current instance millisecond with given precision using the given function.
 * @method CarbonInterface roundMilliseconds(float $precision = 1, string $function = "round") Round the current instance millisecond with given precision using the given function.
 * @method CarbonInterface floorMillisecond(float $precision = 1) Truncate the current instance millisecond with given precision.
 * @method CarbonInterface floorMilliseconds(float $precision = 1) Truncate the current instance millisecond with given precision.
 * @method CarbonInterface ceilMillisecond(float $precision = 1) Ceil the current instance millisecond with given precision.
 * @method CarbonInterface ceilMilliseconds(float $precision = 1) Ceil the current instance millisecond with given precision.
 * @method CarbonInterface roundMicrosecond(float $precision = 1, string $function = "round") Round the current instance microsecond with given precision using the given function.
 * @method CarbonInterface roundMicroseconds(float $precision = 1, string $function = "round") Round the current instance microsecond with given precision using the given function.
 * @method CarbonInterface floorMicrosecond(float $precision = 1) Truncate the current instance microsecond with given precision.
 * @method CarbonInterface floorMicroseconds(float $precision = 1) Truncate the current instance microsecond with given precision.
 * @method CarbonInterface ceilMicrosecond(float $precision = 1) Ceil the current instance microsecond with given precision.
 * @method CarbonInterface ceilMicroseconds(float $precision = 1) Ceil the current instance microsecond with given precision.
 * @method string shortAbsoluteDiffForHumans(?DateTimeInterface $other = null, int $parts = 1) Get the difference (short format, 'Absolute' mode) in a human readable format in the current locale. ($other and $parts parameters can be swapped.)
 * @method string longAbsoluteDiffForHumans(?DateTimeInterface $other = null, int $parts = 1) Get the difference (long format, 'Absolute' mode) in a human readable format in the current locale. ($other and $parts parameters can be swapped.)
 * @method string shortRelativeDiffForHumans(?DateTimeInterface $other = null, int $parts = 1) Get the difference (short format, 'Relative' mode) in a human readable format in the current locale. ($other and $parts parameters can be swapped.)
 * @method string longRelativeDiffForHumans(?DateTimeInterface $other = null, int $parts = 1) Get the difference (long format, 'Relative' mode) in a human readable format in the current locale. ($other and $parts parameters can be swapped.)
 * @method string shortRelativeToNowDiffForHumans(?DateTimeInterface $other = null, int $parts = 1) Get the difference (short format, 'RelativeToNow' mode) in a human readable format in the current locale. ($other and $parts parameters can be swapped.)
 * @method string longRelativeToNowDiffForHumans(?DateTimeInterface $other = null, int $parts = 1) Get the difference (long format, 'RelativeToNow' mode) in a human readable format in the current locale. ($other and $parts parameters can be swapped.)
 * @method string shortRelativeToOtherDiffForHumans(?DateTimeInterface $other = null, int $parts = 1) Get the difference (short format, 'RelativeToOther' mode) in a human readable format in the current locale. ($other and $parts parameters can be swapped.)
 * @method string longRelativeToOtherDiffForHumans(?DateTimeInterface $other = null, int $parts = 1) Get the difference (long format, 'RelativeToOther' mode) in a human readable format in the current locale. ($other and $parts parameters can be swapped.)
 *
 * </autodoc>
 */
interface CarbonInterface extends DateTimeInterface, JsonSerializable
{
 /**
 * Diff wording options(expressed in octal).
 */
 public const NO_ZERO_DIFF = 01;
 public const JUST_NOW = 02;
 public const ONE_DAY_WORDS = 04;
 public const TWO_DAY_WORDS = 010;
 public const SEQUENTIAL_PARTS_ONLY = 020;
 public const ROUND = 040;
 public const FLOOR = 0100;
 public const CEIL = 0200;
 /**
 * Diff syntax options.
 */
 public const DIFF_ABSOLUTE = 1;
 // backward compatibility with true
 public const DIFF_RELATIVE_AUTO = 0;
 // backward compatibility with false
 public const DIFF_RELATIVE_TO_NOW = 2;
 public const DIFF_RELATIVE_TO_OTHER = 3;
 /**
 * Translate string options.
 */
 public const TRANSLATE_MONTHS = 1;
 public const TRANSLATE_DAYS = 2;
 public const TRANSLATE_UNITS = 4;
 public const TRANSLATE_MERIDIEM = 8;
 public const TRANSLATE_DIFF = 0x10;
 public const TRANSLATE_ALL = self::TRANSLATE_MONTHS | self::TRANSLATE_DAYS | self::TRANSLATE_UNITS | self::TRANSLATE_MERIDIEM | self::TRANSLATE_DIFF;
 /**
 * The day constants.
 */
 public const SUNDAY = 0;
 public const MONDAY = 1;
 public const TUESDAY = 2;
 public const WEDNESDAY = 3;
 public const THURSDAY = 4;
 public const FRIDAY = 5;
 public const SATURDAY = 6;
 /**
 * The month constants.
 * These aren't used by Carbon itself but exist for
 * convenience sake alone.
 */
 public const JANUARY = 1;
 public const FEBRUARY = 2;
 public const MARCH = 3;
 public const APRIL = 4;
 public const MAY = 5;
 public const JUNE = 6;
 public const JULY = 7;
 public const AUGUST = 8;
 public const SEPTEMBER = 9;
 public const OCTOBER = 10;
 public const NOVEMBER = 11;
 public const DECEMBER = 12;
 /**
 * Number of X in Y.
 */
 public const YEARS_PER_MILLENNIUM = 1000;
 public const YEARS_PER_CENTURY = 100;
 public const YEARS_PER_DECADE = 10;
 public const MONTHS_PER_YEAR = 12;
 public const MONTHS_PER_QUARTER = 3;
 public const QUARTERS_PER_YEAR = 4;
 public const WEEKS_PER_YEAR = 52;
 public const WEEKS_PER_MONTH = 4;
 public const DAYS_PER_YEAR = 365;
 public const DAYS_PER_WEEK = 7;
 public const HOURS_PER_DAY = 24;
 public const MINUTES_PER_HOUR = 60;
 public const SECONDS_PER_MINUTE = 60;
 public const MILLISECONDS_PER_SECOND = 1000;
 public const MICROSECONDS_PER_MILLISECOND = 1000;
 public const MICROSECONDS_PER_SECOND = 1000000;
 /**
 * Special settings to get the start of week from current locale culture.
 */
 public const WEEK_DAY_AUTO = 'auto';
 /**
 * RFC7231 DateTime format.
 *
 * @var string
 */
 public const RFC7231_FORMAT = 'MailPoetVendor\\D, d M Y H:i:s \\G\\M\\T';
 /**
 * Default format to use for __toString method when type juggling occurs.
 *
 * @var string
 */
 public const DEFAULT_TO_STRING_FORMAT = 'Y-m-d H:i:s';
 /**
 * Format for converting mocked time, includes microseconds.
 *
 * @var string
 */
 public const MOCK_DATETIME_FORMAT = 'Y-m-d H:i:s.u';
 /**
 * Pattern detection for ->isoFormat and ::createFromIsoFormat.
 *
 * @var string
 */
 public const ISO_FORMAT_REGEXP = '(O[YMDHhms]|[Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY?|g{1,5}|G{1,5}|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?)';
 // <methods>
 /**
 * Dynamically handle calls to the class.
 *
 * @param string $method magic method name called
 * @param array $parameters parameters list
 *
 * @throws UnknownMethodException|BadMethodCallException|ReflectionException|Throwable
 *
 * @return mixed
 */
 public function __call($method, $parameters);
 /**
 * Dynamically handle calls to the class.
 *
 * @param string $method magic method name called
 * @param array $parameters parameters list
 *
 * @throws BadMethodCallException
 *
 * @return mixed
 */
 public static function __callStatic($method, $parameters);
 /**
 * Update constructedObjectId on cloned.
 */
 public function __clone();
 /**
 * Create a new Carbon instance.
 *
 * Please see the testing aids section (specifically static::setTestNow())
 * for more on the possibility of this constructor returning a test instance.
 *
 * @param DateTimeInterface|string|null $time
 * @param DateTimeZone|string|null $tz
 *
 * @throws InvalidFormatException
 */
 public function __construct($time = null, $tz = null);
 /**
 * Show truthy properties on var_dump().
 *
 * @return array
 */
 public function __debugInfo();
 /**
 * Get a part of the Carbon object
 *
 * @param string $name
 *
 * @throws UnknownGetterException
 *
 * @return string|int|bool|DateTimeZone|null
 */
 public function __get($name);
 /**
 * Check if an attribute exists on the object
 *
 * @param string $name
 *
 * @return bool
 */
 public function __isset($name);
 /**
 * Set a part of the Carbon object
 *
 * @param string $name
 * @param string|int|DateTimeZone $value
 *
 * @throws UnknownSetterException|ReflectionException
 *
 * @return void
 */
 public function __set($name, $value);
 /**
 * The __set_state handler.
 *
 * @param string|array $dump
 *
 * @return static
 */
 #[\ReturnTypeWillChange]
 public static function __set_state($dump);
 /**
 * Returns the list of properties to dump on serialize() called on.
 *
 * Only used by PHP < 7.4.
 *
 * @return array
 */
 public function __sleep();
 /**
 * Format the instance as a string using the set format
 *
 * @example
 * ```
 * echo Carbon::now(); // Carbon instances can be cast to string
 * ```
 *
 * @return string
 */
 public function __toString();
 /**
 * Add given units or interval to the current instance.
 *
 * @example $date->add('hour', 3)
 * @example $date->add(15, 'days')
 * @example $date->add(CarbonInterval::days(4))
 *
 * @param string|DateInterval|Closure|CarbonConverterInterface $unit
 * @param int $value
 * @param bool|null $overflow
 *
 * @return static
 */
 #[\ReturnTypeWillChange]
 public function add($unit, $value = 1, $overflow = null);
 /**
 * Add seconds to the instance using timestamp. Positive $value travels
 * forward while negative $value travels into the past.
 *
 * @param string $unit
 * @param int $value
 *
 * @return static
 */
 public function addRealUnit($unit, $value = 1);
 /**
 * Add given units to the current instance.
 *
 * @param string $unit
 * @param int $value
 * @param bool|null $overflow
 *
 * @return static
 */
 public function addUnit($unit, $value = 1, $overflow = null);
 /**
 * Add any unit to a new value without overflowing current other unit given.
 *
 * @param string $valueUnit unit name to modify
 * @param int $value amount to add to the input unit
 * @param string $overflowUnit unit name to not overflow
 *
 * @return static
 */
 public function addUnitNoOverflow($valueUnit, $value, $overflowUnit);
 /**
 * Get the difference in a human readable format in the current locale from an other
 * instance given to now
 *
 * @param int|array $syntax if array passed, parameters will be extracted from it, the array may contains:
 * - 'syntax' entry (see below)
 * - 'short' entry (see below)
 * - 'parts' entry (see below)
 * - 'options' entry (see below)
 * - 'join' entry determines how to join multiple parts of the string
 * ` - if $join is a string, it's used as a joiner glue
 * ` - if $join is a callable/closure, it get the list of string and should return a string
 * ` - if $join is an array, the first item will be the default glue, and the second item
 * ` will be used instead of the glue for the last item
 * ` - if $join is true, it will be guessed from the locale ('list' translation file entry)
 * ` - if $join is missing, a space will be used as glue
 * if int passed, it add modifiers:
 * Possible values:
 * - CarbonInterface::DIFF_ABSOLUTE no modifiers
 * - CarbonInterface::DIFF_RELATIVE_TO_NOW add ago/from now modifier
 * - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
 * Default value: CarbonInterface::DIFF_ABSOLUTE
 * @param bool $short displays short format of time units
 * @param int $parts maximum number of parts to display (default value: 1: single part)
 * @param int $options human diff options
 *
 * @return string
 */
 public function ago($syntax = null, $short = \false, $parts = 1, $options = null);
 /**
 * Modify the current instance to the average of a given instance (default now) and the current instance
 * (second-precision).
 *
 * @param \Carbon\Carbon|\DateTimeInterface|null $date
 *
 * @return static
 */
 public function average($date = null);
 /**
 * Clone the current instance if it's mutable.
 *
 * This method is convenient to ensure you don't mutate the initial object
 * but avoid to make a useless copy of it if it's already immutable.
 *
 * @return static
 */
 public function avoidMutation();
 /**
 * Determines if the instance is between two others.
 *
 * The third argument allow you to specify if bounds are included or not (true by default)
 * but for when you including/excluding bounds may produce different results in your application,
 * we recommend to use the explicit methods ->betweenIncluded() or ->betweenExcluded() instead.
 *
 * @example
 * ```
 * Carbon::parse('2018-07-25')->between('2018-07-14', '2018-08-01'); // true
 * Carbon::parse('2018-07-25')->between('2018-08-01', '2018-08-20'); // false
 * Carbon::parse('2018-07-25')->between('2018-07-25', '2018-08-01'); // true
 * Carbon::parse('2018-07-25')->between('2018-07-25', '2018-08-01', false); // false
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date1
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date2
 * @param bool $equal Indicates if an equal to comparison should be done
 *
 * @return bool
 */
 public function between($date1, $date2, $equal = \true) : bool;
 /**
 * Determines if the instance is between two others, bounds excluded.
 *
 * @example
 * ```
 * Carbon::parse('2018-07-25')->betweenExcluded('2018-07-14', '2018-08-01'); // true
 * Carbon::parse('2018-07-25')->betweenExcluded('2018-08-01', '2018-08-20'); // false
 * Carbon::parse('2018-07-25')->betweenExcluded('2018-07-25', '2018-08-01'); // false
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date1
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date2
 *
 * @return bool
 */
 public function betweenExcluded($date1, $date2) : bool;
 /**
 * Determines if the instance is between two others, bounds included.
 *
 * @example
 * ```
 * Carbon::parse('2018-07-25')->betweenIncluded('2018-07-14', '2018-08-01'); // true
 * Carbon::parse('2018-07-25')->betweenIncluded('2018-08-01', '2018-08-20'); // false
 * Carbon::parse('2018-07-25')->betweenIncluded('2018-07-25', '2018-08-01'); // true
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date1
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date2
 *
 * @return bool
 */
 public function betweenIncluded($date1, $date2) : bool;
 /**
 * Returns either day of week + time (e.g. "Last Friday at 3:30 PM") if reference time is within 7 days,
 * or a calendar date (e.g. "10/29/2017") otherwise.
 *
 * Language, date and time formats will change according to the current locale.
 *
 * @param Carbon|\DateTimeInterface|string|null $referenceTime
 * @param array $formats
 *
 * @return string
 */
 public function calendar($referenceTime = null, array $formats = []);
 /**
 * Checks if the (date)time string is in a given format and valid to create a
 * new instance.
 *
 * @example
 * ```
 * Carbon::canBeCreatedFromFormat('11:12:45', 'h:i:s'); // true
 * Carbon::canBeCreatedFromFormat('13:12:45', 'h:i:s'); // false
 * ```
 *
 * @param string $date
 * @param string $format
 *
 * @return bool
 */
 public static function canBeCreatedFromFormat($date, $format);
 /**
 * Return the Carbon instance passed through, a now instance in the same timezone
 * if null given or parse the input if string given.
 *
 * @param Carbon|\Carbon\CarbonPeriod|\Carbon\CarbonInterval|\DateInterval|\DatePeriod|DateTimeInterface|string|null $date
 *
 * @return static
 */
 public function carbonize($date = null);
 /**
 * Cast the current instance into the given class.
 *
 * @param string $className The $className::instance() method will be called to cast the current object.
 *
 * @return DateTimeInterface
 */
 public function cast(string $className);
 /**
 * Ceil the current instance second with given precision if specified.
 *
 * @param float|int|string|\DateInterval|null $precision
 *
 * @return CarbonInterface
 */
 public function ceil($precision = 1);
 /**
 * Ceil the current instance at the given unit with given precision if specified.
 *
 * @param string $unit
 * @param float|int $precision
 *
 * @return CarbonInterface
 */
 public function ceilUnit($unit, $precision = 1);
 /**
 * Ceil the current instance week.
 *
 * @param int $weekStartsAt optional start allow you to specify the day of week to use to start the week
 *
 * @return CarbonInterface
 */
 public function ceilWeek($weekStartsAt = null);
 /**
 * Similar to native modify() method of DateTime but can handle more grammars.
 *
 * @example
 * ```
 * echo Carbon::now()->change('next 2pm');
 * ```
 *
 * @link https://php.net/manual/en/datetime.modify.php
 *
 * @param string $modifier
 *
 * @return static|false
 */
 public function change($modifier);
 /**
 * Cleanup properties attached to the public scope of DateTime when a dump of the date is requested.
 * foreach ($date as $_) {}
 * serializer($date)
 * var_export($date)
 * get_object_vars($date)
 */
 public function cleanupDumpProperties();
 /**
 * @alias copy
 *
 * Get a copy of the instance.
 *
 * @return static
 */
 public function clone();
 /**
 * Get the closest date from the instance (second-precision).
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date1
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date2
 *
 * @return static
 */
 public function closest($date1, $date2);
 /**
 * Get a copy of the instance.
 *
 * @return static
 */
 public function copy();
 /**
 * Create a new Carbon instance from a specific date and time.
 *
 * If any of $year, $month or $day are set to null their now() values will
 * be used.
 *
 * If $hour is null it will be set to its now() value and the default
 * values for $minute and $second will be their now() values.
 *
 * If $hour is not null then the default values for $minute and $second
 * will be 0.
 *
 * @param DateTimeInterface|int|null $year
 * @param int|null $month
 * @param int|null $day
 * @param int|null $hour
 * @param int|null $minute
 * @param int|null $second
 * @param DateTimeZone|string|null $tz
 *
 * @throws InvalidFormatException
 *
 * @return static|false
 */
 public static function create($year = 0, $month = 1, $day = 1, $hour = 0, $minute = 0, $second = 0, $tz = null);
 /**
 * Create a Carbon instance from just a date. The time portion is set to now.
 *
 * @param int|null $year
 * @param int|null $month
 * @param int|null $day
 * @param DateTimeZone|string|null $tz
 *
 * @throws InvalidFormatException
 *
 * @return static
 */
 public static function createFromDate($year = null, $month = null, $day = null, $tz = null);
 /**
 * Create a Carbon instance from a specific format.
 *
 * @param string $format Datetime format
 * @param string $time
 * @param DateTimeZone|string|false|null $tz
 *
 * @throws InvalidFormatException
 *
 * @return static|false
 */
 #[\ReturnTypeWillChange]
 public static function createFromFormat($format, $time, $tz = null);
 /**
 * Create a Carbon instance from a specific ISO format (same replacements as ->isoFormat()).
 *
 * @param string $format Datetime format
 * @param string $time
 * @param DateTimeZone|string|false|null $tz optional timezone
 * @param string|null $locale locale to be used for LTS, LT, LL, LLL, etc. macro-formats (en by fault, unneeded if no such macro-format in use)
 * @param \Symfony\Component\Translation\TranslatorInterface $translator optional custom translator to use for macro-formats
 *
 * @throws InvalidFormatException
 *
 * @return static|false
 */
 public static function createFromIsoFormat($format, $time, $tz = null, $locale = 'en', $translator = null);
 /**
 * Create a Carbon instance from a specific format and a string in a given language.
 *
 * @param string $format Datetime format
 * @param string $locale
 * @param string $time
 * @param DateTimeZone|string|false|null $tz
 *
 * @throws InvalidFormatException
 *
 * @return static|false
 */
 public static function createFromLocaleFormat($format, $locale, $time, $tz = null);
 /**
 * Create a Carbon instance from a specific ISO format and a string in a given language.
 *
 * @param string $format Datetime ISO format
 * @param string $locale
 * @param string $time
 * @param DateTimeZone|string|false|null $tz
 *
 * @throws InvalidFormatException
 *
 * @return static|false
 */
 public static function createFromLocaleIsoFormat($format, $locale, $time, $tz = null);
 /**
 * Create a Carbon instance from just a time. The date portion is set to today.
 *
 * @param int|null $hour
 * @param int|null $minute
 * @param int|null $second
 * @param DateTimeZone|string|null $tz
 *
 * @throws InvalidFormatException
 *
 * @return static
 */
 public static function createFromTime($hour = 0, $minute = 0, $second = 0, $tz = null);
 /**
 * Create a Carbon instance from a time string. The date portion is set to today.
 *
 * @param string $time
 * @param DateTimeZone|string|null $tz
 *
 * @throws InvalidFormatException
 *
 * @return static
 */
 public static function createFromTimeString($time, $tz = null);
 /**
 * Create a Carbon instance from a timestamp and set the timezone (use default one if not specified).
 *
 * Timestamp input can be given as int, float or a string containing one or more numbers.
 *
 * @param float|int|string $timestamp
 * @param \DateTimeZone|string|null $tz
 *
 * @return static
 */
 public static function createFromTimestamp($timestamp, $tz = null);
 /**
 * Create a Carbon instance from a timestamp in milliseconds.
 *
 * Timestamp input can be given as int, float or a string containing one or more numbers.
 *
 * @param float|int|string $timestamp
 * @param \DateTimeZone|string|null $tz
 *
 * @return static
 */
 public static function createFromTimestampMs($timestamp, $tz = null);
 /**
 * Create a Carbon instance from a timestamp in milliseconds.
 *
 * Timestamp input can be given as int, float or a string containing one or more numbers.
 *
 * @param float|int|string $timestamp
 *
 * @return static
 */
 public static function createFromTimestampMsUTC($timestamp);
 /**
 * Create a Carbon instance from an timestamp keeping the timezone to UTC.
 *
 * Timestamp input can be given as int, float or a string containing one or more numbers.
 *
 * @param float|int|string $timestamp
 *
 * @return static
 */
 public static function createFromTimestampUTC($timestamp);
 /**
 * Create a Carbon instance from just a date. The time portion is set to midnight.
 *
 * @param int|null $year
 * @param int|null $month
 * @param int|null $day
 * @param DateTimeZone|string|null $tz
 *
 * @throws InvalidFormatException
 *
 * @return static
 */
 public static function createMidnightDate($year = null, $month = null, $day = null, $tz = null);
 /**
 * Create a new safe Carbon instance from a specific date and time.
 *
 * If any of $year, $month or $day are set to null their now() values will
 * be used.
 *
 * If $hour is null it will be set to its now() value and the default
 * values for $minute and $second will be their now() values.
 *
 * If $hour is not null then the default values for $minute and $second
 * will be 0.
 *
 * If one of the set values is not valid, an InvalidDateException
 * will be thrown.
 *
 * @param int|null $year
 * @param int|null $month
 * @param int|null $day
 * @param int|null $hour
 * @param int|null $minute
 * @param int|null $second
 * @param DateTimeZone|string|null $tz
 *
 * @throws InvalidDateException
 *
 * @return static|false
 */
 public static function createSafe($year = null, $month = null, $day = null, $hour = null, $minute = null, $second = null, $tz = null);
 /**
 * Create a new Carbon instance from a specific date and time using strict validation.
 *
 * @see create()
 *
 * @param int|null $year
 * @param int|null $month
 * @param int|null $day
 * @param int|null $hour
 * @param int|null $minute
 * @param int|null $second
 * @param DateTimeZone|string|null $tz
 *
 * @throws InvalidFormatException
 *
 * @return static
 */
 public static function createStrict(?int $year = 0, ?int $month = 1, ?int $day = 1, ?int $hour = 0, ?int $minute = 0, ?int $second = 0, $tz = null);
 /**
 * Get/set the day of year.
 *
 * @param int|null $value new value for day of year if using as setter.
 *
 * @return static|int
 */
 public function dayOfYear($value = null);
 /**
 * Get the difference as a CarbonInterval instance.
 * Return relative interval (negative if $absolute flag is not set to true and the given date is before
 * current one).
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return CarbonInterval
 */
 public function diffAsCarbonInterval($date = null, $absolute = \true, array $skip = []);
 /**
 * Get the difference by the given interval using a filter closure.
 *
 * @param CarbonInterval $ci An interval to traverse by
 * @param Closure $callback
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffFiltered(CarbonInterval $ci, Closure $callback, $date = null, $absolute = \true);
 /**
 * Get the difference in a human readable format in the current locale from current instance to an other
 * instance given (or now if null given).
 *
 * @example
 * ```
 * echo Carbon::tomorrow()->diffForHumans() . "\n";
 * echo Carbon::tomorrow()->diffForHumans(['parts' => 2]) . "\n";
 * echo Carbon::tomorrow()->diffForHumans(['parts' => 3, 'join' => true]) . "\n";
 * echo Carbon::tomorrow()->diffForHumans(Carbon::yesterday()) . "\n";
 * echo Carbon::tomorrow()->diffForHumans(Carbon::yesterday(), ['short' => true]) . "\n";
 * ```
 *
 * @param Carbon|\DateTimeInterface|string|array|null $other if array passed, will be used as parameters array, see $syntax below;
 * if null passed, now will be used as comparison reference;
 * if any other type, it will be converted to date and used as reference.
 * @param int|array $syntax if array passed, parameters will be extracted from it, the array may contains:
 * - 'syntax' entry (see below)
 * - 'short' entry (see below)
 * - 'parts' entry (see below)
 * - 'options' entry (see below)
 * - 'skip' entry, list of units to skip (array of strings or a single string,
 * ` it can be the unit name (singular or plural) or its shortcut
 * ` (y, m, w, d, h, min, s, ms, µs).
 * - 'aUnit' entry, prefer "an hour" over "1 hour" if true
 * - 'join' entry determines how to join multiple parts of the string
 * ` - if $join is a string, it's used as a joiner glue
 * ` - if $join is a callable/closure, it get the list of string and should return a string
 * ` - if $join is an array, the first item will be the default glue, and the second item
 * ` will be used instead of the glue for the last item
 * ` - if $join is true, it will be guessed from the locale ('list' translation file entry)
 * ` - if $join is missing, a space will be used as glue
 * - 'other' entry (see above)
 * - 'minimumUnit' entry determines the smallest unit of time to display can be long or
 * ` short form of the units, e.g. 'hour' or 'h' (default value: s)
 * if int passed, it add modifiers:
 * Possible values:
 * - CarbonInterface::DIFF_ABSOLUTE no modifiers
 * - CarbonInterface::DIFF_RELATIVE_TO_NOW add ago/from now modifier
 * - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
 * Default value: CarbonInterface::DIFF_ABSOLUTE
 * @param bool $short displays short format of time units
 * @param int $parts maximum number of parts to display (default value: 1: single unit)
 * @param int $options human diff options
 *
 * @return string
 */
 public function diffForHumans($other = null, $syntax = null, $short = \false, $parts = 1, $options = null);
 /**
 * Get the difference in days rounded down.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffInDays($date = null, $absolute = \true);
 /**
 * Get the difference in days using a filter closure rounded down.
 *
 * @param Closure $callback
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffInDaysFiltered(Closure $callback, $date = null, $absolute = \true);
 /**
 * Get the difference in hours rounded down.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffInHours($date = null, $absolute = \true);
 /**
 * Get the difference in hours using a filter closure rounded down.
 *
 * @param Closure $callback
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffInHoursFiltered(Closure $callback, $date = null, $absolute = \true);
 /**
 * Get the difference in microseconds.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffInMicroseconds($date = null, $absolute = \true);
 /**
 * Get the difference in milliseconds rounded down.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffInMilliseconds($date = null, $absolute = \true);
 /**
 * Get the difference in minutes rounded down.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffInMinutes($date = null, $absolute = \true);
 /**
 * Get the difference in months rounded down.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffInMonths($date = null, $absolute = \true);
 /**
 * Get the difference in quarters rounded down.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffInQuarters($date = null, $absolute = \true);
 /**
 * Get the difference in hours rounded down using timestamps.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffInRealHours($date = null, $absolute = \true);
 /**
 * Get the difference in microseconds using timestamps.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffInRealMicroseconds($date = null, $absolute = \true);
 /**
 * Get the difference in milliseconds rounded down using timestamps.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffInRealMilliseconds($date = null, $absolute = \true);
 /**
 * Get the difference in minutes rounded down using timestamps.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffInRealMinutes($date = null, $absolute = \true);
 /**
 * Get the difference in seconds using timestamps.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffInRealSeconds($date = null, $absolute = \true);
 /**
 * Get the difference in seconds rounded down.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffInSeconds($date = null, $absolute = \true);
 /**
 * Get the difference in weekdays rounded down.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffInWeekdays($date = null, $absolute = \true);
 /**
 * Get the difference in weekend days using a filter rounded down.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffInWeekendDays($date = null, $absolute = \true);
 /**
 * Get the difference in weeks rounded down.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffInWeeks($date = null, $absolute = \true);
 /**
 * Get the difference in years
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return int
 */
 public function diffInYears($date = null, $absolute = \true);
 /**
 * @deprecated To avoid conflict between different third-party libraries, static setters should not be used.
 * You should rather use the ->settings() method.
 * @see settings
 *
 * @param int $humanDiffOption
 */
 public static function disableHumanDiffOption($humanDiffOption);
 /**
 * @deprecated To avoid conflict between different third-party libraries, static setters should not be used.
 * You should rather use the ->settings() method.
 * @see settings
 *
 * @param int $humanDiffOption
 */
 public static function enableHumanDiffOption($humanDiffOption);
 /**
 * Modify to end of current given unit.
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16.334455')
 * ->startOf('month')
 * ->endOf('week', Carbon::FRIDAY);
 * ```
 *
 * @param string $unit
 * @param array<int, mixed> $params
 *
 * @return static
 */
 public function endOf($unit, ...$params);
 /**
 * Resets the date to end of the century and time to 23:59:59.999999
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->endOfCentury();
 * ```
 *
 * @return static
 */
 public function endOfCentury();
 /**
 * Resets the time to 23:59:59.999999 end of day
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->endOfDay();
 * ```
 *
 * @return static
 */
 public function endOfDay();
 /**
 * Resets the date to end of the decade and time to 23:59:59.999999
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->endOfDecade();
 * ```
 *
 * @return static
 */
 public function endOfDecade();
 /**
 * Modify to end of current hour, minutes and seconds become 59
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->endOfHour();
 * ```
 *
 * @return static
 */
 public function endOfHour();
 /**
 * Resets the date to end of the millennium and time to 23:59:59.999999
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->endOfMillennium();
 * ```
 *
 * @return static
 */
 public function endOfMillennium();
 /**
 * Modify to end of current minute, seconds become 59
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->endOfMinute();
 * ```
 *
 * @return static
 */
 public function endOfMinute();
 /**
 * Resets the date to end of the month and time to 23:59:59.999999
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->endOfMonth();
 * ```
 *
 * @return static
 */
 public function endOfMonth();
 /**
 * Resets the date to end of the quarter and time to 23:59:59.999999
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->endOfQuarter();
 * ```
 *
 * @return static
 */
 public function endOfQuarter();
 /**
 * Modify to end of current second, microseconds become 999999
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16.334455')
 * ->endOfSecond()
 * ->format('H:i:s.u');
 * ```
 *
 * @return static
 */
 public function endOfSecond();
 /**
 * Resets the date to end of week (defined in $weekEndsAt) and time to 23:59:59.999999
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->endOfWeek() . "\n";
 * echo Carbon::parse('2018-07-25 12:45:16')->locale('ar')->endOfWeek() . "\n";
 * echo Carbon::parse('2018-07-25 12:45:16')->endOfWeek(Carbon::SATURDAY) . "\n";
 * ```
 *
 * @param int $weekEndsAt optional start allow you to specify the day of week to use to end the week
 *
 * @return static
 */
 public function endOfWeek($weekEndsAt = null);
 /**
 * Resets the date to end of the year and time to 23:59:59.999999
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->endOfYear();
 * ```
 *
 * @return static
 */
 public function endOfYear();
 /**
 * Determines if the instance is equal to another
 *
 * @example
 * ```
 * Carbon::parse('2018-07-25 12:45:16')->eq('2018-07-25 12:45:16'); // true
 * Carbon::parse('2018-07-25 12:45:16')->eq(Carbon::parse('2018-07-25 12:45:16')); // true
 * Carbon::parse('2018-07-25 12:45:16')->eq('2018-07-25 12:45:17'); // false
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date
 *
 * @see equalTo()
 *
 * @return bool
 */
 public function eq($date) : bool;
 /**
 * Determines if the instance is equal to another
 *
 * @example
 * ```
 * Carbon::parse('2018-07-25 12:45:16')->equalTo('2018-07-25 12:45:16'); // true
 * Carbon::parse('2018-07-25 12:45:16')->equalTo(Carbon::parse('2018-07-25 12:45:16')); // true
 * Carbon::parse('2018-07-25 12:45:16')->equalTo('2018-07-25 12:45:17'); // false
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date
 *
 * @return bool
 */
 public function equalTo($date) : bool;
 /**
 * Set the current locale to the given, execute the passed function, reset the locale to previous one,
 * then return the result of the closure (or null if the closure was void).
 *
 * @param string $locale locale ex. en
 * @param callable $func
 *
 * @return mixed
 */
 public static function executeWithLocale($locale, $func);
 /**
 * Get the farthest date from the instance (second-precision).
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date1
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date2
 *
 * @return static
 */
 public function farthest($date1, $date2);
 /**
 * Modify to the first occurrence of a given day of the week
 * in the current month. If no dayOfWeek is provided, modify to the
 * first day of the current month. Use the supplied constants
 * to indicate the desired dayOfWeek, ex. static::MONDAY.
 *
 * @param int|null $dayOfWeek
 *
 * @return static
 */
 public function firstOfMonth($dayOfWeek = null);
 /**
 * Modify to the first occurrence of a given day of the week
 * in the current quarter. If no dayOfWeek is provided, modify to the
 * first day of the current quarter. Use the supplied constants
 * to indicate the desired dayOfWeek, ex. static::MONDAY.
 *
 * @param int|null $dayOfWeek day of the week default null
 *
 * @return static
 */
 public function firstOfQuarter($dayOfWeek = null);
 /**
 * Modify to the first occurrence of a given day of the week
 * in the current year. If no dayOfWeek is provided, modify to the
 * first day of the current year. Use the supplied constants
 * to indicate the desired dayOfWeek, ex. static::MONDAY.
 *
 * @param int|null $dayOfWeek day of the week default null
 *
 * @return static
 */
 public function firstOfYear($dayOfWeek = null);
 /**
 * Get the difference in days as float (microsecond-precision).
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return float
 */
 public function floatDiffInDays($date = null, $absolute = \true);
 /**
 * Get the difference in hours as float (microsecond-precision).
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return float
 */
 public function floatDiffInHours($date = null, $absolute = \true);
 /**
 * Get the difference in minutes as float (microsecond-precision).
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return float
 */
 public function floatDiffInMinutes($date = null, $absolute = \true);
 /**
 * Get the difference in months as float (microsecond-precision).
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return float
 */
 public function floatDiffInMonths($date = null, $absolute = \true);
 /**
 * Get the difference in days as float (microsecond-precision).
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return float
 */
 public function floatDiffInRealDays($date = null, $absolute = \true);
 /**
 * Get the difference in hours as float (microsecond-precision) using timestamps.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return float
 */
 public function floatDiffInRealHours($date = null, $absolute = \true);
 /**
 * Get the difference in minutes as float (microsecond-precision) using timestamps.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return float
 */
 public function floatDiffInRealMinutes($date = null, $absolute = \true);
 /**
 * Get the difference in months as float (microsecond-precision) using timestamps.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return float
 */
 public function floatDiffInRealMonths($date = null, $absolute = \true);
 /**
 * Get the difference in seconds as float (microsecond-precision) using timestamps.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return float
 */
 public function floatDiffInRealSeconds($date = null, $absolute = \true);
 /**
 * Get the difference in weeks as float (microsecond-precision).
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return float
 */
 public function floatDiffInRealWeeks($date = null, $absolute = \true);
 /**
 * Get the difference in year as float (microsecond-precision) using timestamps.
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return float
 */
 public function floatDiffInRealYears($date = null, $absolute = \true);
 /**
 * Get the difference in seconds as float (microsecond-precision).
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return float
 */
 public function floatDiffInSeconds($date = null, $absolute = \true);
 /**
 * Get the difference in weeks as float (microsecond-precision).
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return float
 */
 public function floatDiffInWeeks($date = null, $absolute = \true);
 /**
 * Get the difference in year as float (microsecond-precision).
 *
 * @param \Carbon\CarbonInterface|\DateTimeInterface|string|null $date
 * @param bool $absolute Get the absolute of the difference
 *
 * @return float
 */
 public function floatDiffInYears($date = null, $absolute = \true);
 /**
 * Round the current instance second with given precision if specified.
 *
 * @param float|int|string|\DateInterval|null $precision
 *
 * @return CarbonInterface
 */
 public function floor($precision = 1);
 /**
 * Truncate the current instance at the given unit with given precision if specified.
 *
 * @param string $unit
 * @param float|int $precision
 *
 * @return CarbonInterface
 */
 public function floorUnit($unit, $precision = 1);
 /**
 * Truncate the current instance week.
 *
 * @param int $weekStartsAt optional start allow you to specify the day of week to use to start the week
 *
 * @return CarbonInterface
 */
 public function floorWeek($weekStartsAt = null);
 /**
 * Format the instance with the current locale. You can set the current
 * locale using setlocale() https://php.net/setlocale.
 *
 * @deprecated It uses OS language package and strftime() which is deprecated since PHP 8.1.
 * Use ->isoFormat() instead.
 * Deprecated since 2.55.0
 *
 * @param string $format
 *
 * @return string
 */
 public function formatLocalized($format);
 /**
 * @alias diffForHumans
 *
 * Get the difference in a human readable format in the current locale from current instance to an other
 * instance given (or now if null given).
 *
 * @param Carbon|\DateTimeInterface|string|array|null $other if array passed, will be used as parameters array, see $syntax below;
 * if null passed, now will be used as comparison reference;
 * if any other type, it will be converted to date and used as reference.
 * @param int|array $syntax if array passed, parameters will be extracted from it, the array may contains:
 * - 'syntax' entry (see below)
 * - 'short' entry (see below)
 * - 'parts' entry (see below)
 * - 'options' entry (see below)
 * - 'join' entry determines how to join multiple parts of the string
 * ` - if $join is a string, it's used as a joiner glue
 * ` - if $join is a callable/closure, it get the list of string and should return a string
 * ` - if $join is an array, the first item will be the default glue, and the second item
 * ` will be used instead of the glue for the last item
 * ` - if $join is true, it will be guessed from the locale ('list' translation file entry)
 * ` - if $join is missing, a space will be used as glue
 * - 'other' entry (see above)
 * if int passed, it add modifiers:
 * Possible values:
 * - CarbonInterface::DIFF_ABSOLUTE no modifiers
 * - CarbonInterface::DIFF_RELATIVE_TO_NOW add ago/from now modifier
 * - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
 * Default value: CarbonInterface::DIFF_ABSOLUTE
 * @param bool $short displays short format of time units
 * @param int $parts maximum number of parts to display (default value: 1: single unit)
 * @param int $options human diff options
 *
 * @return string
 */
 public function from($other = null, $syntax = null, $short = \false, $parts = 1, $options = null);
 /**
 * Get the difference in a human readable format in the current locale from current
 * instance to now.
 *
 * @param int|array $syntax if array passed, parameters will be extracted from it, the array may contains:
 * - 'syntax' entry (see below)
 * - 'short' entry (see below)
 * - 'parts' entry (see below)
 * - 'options' entry (see below)
 * - 'join' entry determines how to join multiple parts of the string
 * ` - if $join is a string, it's used as a joiner glue
 * ` - if $join is a callable/closure, it get the list of string and should return a string
 * ` - if $join is an array, the first item will be the default glue, and the second item
 * ` will be used instead of the glue for the last item
 * ` - if $join is true, it will be guessed from the locale ('list' translation file entry)
 * ` - if $join is missing, a space will be used as glue
 * if int passed, it add modifiers:
 * Possible values:
 * - CarbonInterface::DIFF_ABSOLUTE no modifiers
 * - CarbonInterface::DIFF_RELATIVE_TO_NOW add ago/from now modifier
 * - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
 * Default value: CarbonInterface::DIFF_ABSOLUTE
 * @param bool $short displays short format of time units
 * @param int $parts maximum number of parts to display (default value: 1: single unit)
 * @param int $options human diff options
 *
 * @return string
 */
 public function fromNow($syntax = null, $short = \false, $parts = 1, $options = null);
 /**
 * Create an instance from a serialized string.
 *
 * @param string $value
 *
 * @throws InvalidFormatException
 *
 * @return static
 */
 public static function fromSerialized($value);
 /**
 * Register a custom macro.
 *
 * @param object|callable $macro
 * @param int $priority marco with higher priority is tried first
 *
 * @return void
 */
 public static function genericMacro($macro, $priority = 0);
 /**
 * Get a part of the Carbon object
 *
 * @param string $name
 *
 * @throws UnknownGetterException
 *
 * @return string|int|bool|DateTimeZone|null
 */
 public function get($name);
 /**
 * Returns the alternative number for a given date property if available in the current locale.
 *
 * @param string $key date property
 *
 * @return string
 */
 public function getAltNumber(string $key) : string;
 /**
 * Returns the list of internally available locales and already loaded custom locales.
 * (It will ignore custom translator dynamic loading.)
 *
 * @return array
 */
 public static function getAvailableLocales();
 /**
 * Returns list of Language object for each available locale. This object allow you to get the ISO name, native
 * name, region and variant of the locale.
 *
 * @return Language[]
 */
 public static function getAvailableLocalesInfo();
 /**
 * Returns list of calendar formats for ISO formatting.
 *
 * @param string|null $locale current locale used if null
 *
 * @return array
 */
 public function getCalendarFormats($locale = null);
 /**
 * Get the days of the week
 *
 * @return array
 */
 public static function getDays();
 /**
 * Return the number of days since the start of the week (using the current locale or the first parameter
 * if explicitly given).
 *
 * @param int|null $weekStartsAt optional start allow you to specify the day of week to use to start the week,
 * if not provided, start of week is inferred from the locale
 * (Sunday for en_US, Monday for de_DE, etc.)
 *
 * @return int
 */
 public function getDaysFromStartOfWeek(?int $weekStartsAt = null) : int;
 /**
 * Get the fallback locale.
 *
 * @see https://symfony.com/doc/current/components/translation.html#fallback-locales
 *
 * @return string|null
 */
 public static function getFallbackLocale();
 /**
 * List of replacements from date() format to isoFormat().
 *
 * @return array
 */
 public static function getFormatsToIsoReplacements();
 /**
 * Return default humanDiff() options (merged flags as integer).
 *
 * @return int
 */
 public static function getHumanDiffOptions();
 /**
 * Returns list of locale formats for ISO formatting.
 *
 * @param string|null $locale current locale used if null
 *
 * @return array
 */
 public function getIsoFormats($locale = null);
 /**
 * Returns list of locale units for ISO formatting.
 *
 * @return array
 */
 public static function getIsoUnits();
 /**
 * {@inheritdoc}
 *
 * @return array
 */
 #[\ReturnTypeWillChange]
 public static function getLastErrors();
 /**
 * Get the raw callable macro registered globally or locally for a given name.
 *
 * @param string $name
 *
 * @return callable|null
 */
 public function getLocalMacro($name);
 /**
 * Get the translator of the current instance or the default if none set.
 *
 * @return \Symfony\Component\Translation\TranslatorInterface
 */
 public function getLocalTranslator();
 /**
 * Get the current translator locale.
 *
 * @return string
 */
 public static function getLocale();
 /**
 * Get the raw callable macro registered globally for a given name.
 *
 * @param string $name
 *
 * @return callable|null
 */
 public static function getMacro($name);
 /**
 * get midday/noon hour
 *
 * @return int
 */
 public static function getMidDayAt();
 /**
 * Returns the offset hour and minute formatted with +/- and a given separator (":" by default).
 * For example, if the time zone is 9 hours 30 minutes, you'll get "+09:30", with "@@" as first
 * argument, "+09@@30", with "" as first argument, "+0930". Negative offset will return something
 * like "-12:00".
 *
 * @param string $separator string to place between hours and minutes (":" by default)
 *
 * @return string
 */
 public function getOffsetString($separator = ':');
 /**
 * Returns a unit of the instance padded with 0 by default or any other string if specified.
 *
 * @param string $unit Carbon unit name
 * @param int $length Length of the output (2 by default)
 * @param string $padString String to use for padding ("0" by default)
 * @param int $padType Side(s) to pad (STR_PAD_LEFT by default)
 *
 * @return string
 */
 public function getPaddedUnit($unit, $length = 2, $padString = '0', $padType = 0);
 /**
 * Returns a timestamp rounded with the given precision (6 by default).
 *
 * @example getPreciseTimestamp() 1532087464437474 (microsecond maximum precision)
 * @example getPreciseTimestamp(6) 1532087464437474
 * @example getPreciseTimestamp(5) 153208746443747 (1/100000 second precision)
 * @example getPreciseTimestamp(4) 15320874644375 (1/10000 second precision)
 * @example getPreciseTimestamp(3) 1532087464437 (millisecond precision)
 * @example getPreciseTimestamp(2) 153208746444 (1/100 second precision)
 * @example getPreciseTimestamp(1) 15320874644 (1/10 second precision)
 * @example getPreciseTimestamp(0) 1532087464 (second precision)
 * @example getPreciseTimestamp(-1) 153208746 (10 second precision)
 * @example getPreciseTimestamp(-2) 15320875 (100 second precision)
 *
 * @param int $precision
 *
 * @return float
 */
 public function getPreciseTimestamp($precision = 6);
 /**
 * Returns current local settings.
 *
 * @return array
 */
 public function getSettings();
 /**
 * Get the Carbon instance (real or mock) to be returned when a "now"
 * instance is created.
 *
 * @return Closure|static the current instance used for testing
 */
 public static function getTestNow();
 /**
 * Return a format from H:i to H:i:s.u according to given unit precision.
 *
 * @param string $unitPrecision "minute", "second", "millisecond" or "microsecond"
 *
 * @return string
 */
 public static function getTimeFormatByPrecision($unitPrecision);
 /**
 * Returns the timestamp with millisecond precision.
 *
 * @return int
 */
 public function getTimestampMs();
 /**
 * Get the translation of the current week day name (with context for languages with multiple forms).
 *
 * @param string|null $context whole format string
 * @param string $keySuffix "", "_short" or "_min"
 * @param string|null $defaultValue default value if translation missing
 *
 * @return string
 */
 public function getTranslatedDayName($context = null, $keySuffix = '', $defaultValue = null);
 /**
 * Get the translation of the current abbreviated week day name (with context for languages with multiple forms).
 *
 * @param string|null $context whole format string
 *
 * @return string
 */
 public function getTranslatedMinDayName($context = null);
 /**
 * Get the translation of the current month day name (with context for languages with multiple forms).
 *
 * @param string|null $context whole format string
 * @param string $keySuffix "" or "_short"
 * @param string|null $defaultValue default value if translation missing
 *
 * @return string
 */
 public function getTranslatedMonthName($context = null, $keySuffix = '', $defaultValue = null);
 /**
 * Get the translation of the current short week day name (with context for languages with multiple forms).
 *
 * @param string|null $context whole format string
 *
 * @return string
 */
 public function getTranslatedShortDayName($context = null);
 /**
 * Get the translation of the current short month day name (with context for languages with multiple forms).
 *
 * @param string|null $context whole format string
 *
 * @return string
 */
 public function getTranslatedShortMonthName($context = null);
 /**
 * Returns raw translation message for a given key.
 *
 * @param string $key key to find
 * @param string|null $locale current locale used if null
 * @param string|null $default default value if translation returns the key
 * @param \Symfony\Component\Translation\TranslatorInterface $translator an optional translator to use
 *
 * @return string
 */
 public function getTranslationMessage(string $key, ?string $locale = null, ?string $default = null, $translator = null);
 /**
 * Returns raw translation message for a given key.
 *
 * @param \Symfony\Component\Translation\TranslatorInterface $translator the translator to use
 * @param string $key key to find
 * @param string|null $locale current locale used if null
 * @param string|null $default default value if translation returns the key
 *
 * @return string
 */
 public static function getTranslationMessageWith($translator, string $key, ?string $locale = null, ?string $default = null);
 /**
 * Get the default translator instance in use.
 *
 * @return \Symfony\Component\Translation\TranslatorInterface
 */
 public static function getTranslator();
 /**
 * Get the last day of week
 *
 * @return int
 */
 public static function getWeekEndsAt();
 /**
 * Get the first day of week
 *
 * @return int
 */
 public static function getWeekStartsAt();
 /**
 * Get weekend days
 *
 * @return array
 */
 public static function getWeekendDays();
 /**
 * Determines if the instance is greater (after) than another
 *
 * @example
 * ```
 * Carbon::parse('2018-07-25 12:45:16')->greaterThan('2018-07-25 12:45:15'); // true
 * Carbon::parse('2018-07-25 12:45:16')->greaterThan('2018-07-25 12:45:16'); // false
 * Carbon::parse('2018-07-25 12:45:16')->greaterThan('2018-07-25 12:45:17'); // false
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date
 *
 * @return bool
 */
 public function greaterThan($date) : bool;
 /**
 * Determines if the instance is greater (after) than or equal to another
 *
 * @example
 * ```
 * Carbon::parse('2018-07-25 12:45:16')->greaterThanOrEqualTo('2018-07-25 12:45:15'); // true
 * Carbon::parse('2018-07-25 12:45:16')->greaterThanOrEqualTo('2018-07-25 12:45:16'); // true
 * Carbon::parse('2018-07-25 12:45:16')->greaterThanOrEqualTo('2018-07-25 12:45:17'); // false
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date
 *
 * @return bool
 */
 public function greaterThanOrEqualTo($date) : bool;
 /**
 * Determines if the instance is greater (after) than another
 *
 * @example
 * ```
 * Carbon::parse('2018-07-25 12:45:16')->gt('2018-07-25 12:45:15'); // true
 * Carbon::parse('2018-07-25 12:45:16')->gt('2018-07-25 12:45:16'); // false
 * Carbon::parse('2018-07-25 12:45:16')->gt('2018-07-25 12:45:17'); // false
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date
 *
 * @see greaterThan()
 *
 * @return bool
 */
 public function gt($date) : bool;
 /**
 * Determines if the instance is greater (after) than or equal to another
 *
 * @example
 * ```
 * Carbon::parse('2018-07-25 12:45:16')->gte('2018-07-25 12:45:15'); // true
 * Carbon::parse('2018-07-25 12:45:16')->gte('2018-07-25 12:45:16'); // true
 * Carbon::parse('2018-07-25 12:45:16')->gte('2018-07-25 12:45:17'); // false
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date
 *
 * @see greaterThanOrEqualTo()
 *
 * @return bool
 */
 public function gte($date) : bool;
 /**
 * Checks if the (date)time string is in a given format.
 *
 * @example
 * ```
 * Carbon::hasFormat('11:12:45', 'h:i:s'); // true
 * Carbon::hasFormat('13:12:45', 'h:i:s'); // false
 * ```
 *
 * @param string $date
 * @param string $format
 *
 * @return bool
 */
 public static function hasFormat($date, $format);
 /**
 * Checks if the (date)time string is in a given format.
 *
 * @example
 * ```
 * Carbon::hasFormatWithModifiers('31/08/2015', 'd#m#Y'); // true
 * Carbon::hasFormatWithModifiers('31/08/2015', 'm#d#Y'); // false
 * ```
 *
 * @param string $date
 * @param string $format
 *
 * @return bool
 */
 public static function hasFormatWithModifiers($date, $format) : bool;
 /**
 * Checks if macro is registered globally or locally.
 *
 * @param string $name
 *
 * @return bool
 */
 public function hasLocalMacro($name);
 /**
 * Return true if the current instance has its own translator.
 *
 * @return bool
 */
 public function hasLocalTranslator();
 /**
 * Checks if macro is registered globally.
 *
 * @param string $name
 *
 * @return bool
 */
 public static function hasMacro($name);
 /**
 * Determine if a time string will produce a relative date.
 *
 * @param string $time
 *
 * @return bool true if time match a relative date, false if absolute or invalid time string
 */
 public static function hasRelativeKeywords($time);
 /**
 * Determine if there is a valid test instance set. A valid test instance
 * is anything that is not null.
 *
 * @return bool true if there is a test instance, otherwise false
 */
 public static function hasTestNow();
 /**
 * Create a Carbon instance from a DateTime one.
 *
 * @param DateTimeInterface $date
 *
 * @return static
 */
 public static function instance($date);
 /**
 * Returns true if the current date matches the given string.
 *
 * @example
 * ```
 * var_dump(Carbon::parse('2019-06-02 12:23:45')->is('2019')); // true
 * var_dump(Carbon::parse('2019-06-02 12:23:45')->is('2018')); // false
 * var_dump(Carbon::parse('2019-06-02 12:23:45')->is('2019-06')); // true
 * var_dump(Carbon::parse('2019-06-02 12:23:45')->is('06-02')); // true
 * var_dump(Carbon::parse('2019-06-02 12:23:45')->is('2019-06-02')); // true
 * var_dump(Carbon::parse('2019-06-02 12:23:45')->is('Sunday')); // true
 * var_dump(Carbon::parse('2019-06-02 12:23:45')->is('June')); // true
 * var_dump(Carbon::parse('2019-06-02 12:23:45')->is('12:23')); // true
 * var_dump(Carbon::parse('2019-06-02 12:23:45')->is('12:23:45')); // true
 * var_dump(Carbon::parse('2019-06-02 12:23:45')->is('12:23:00')); // false
 * var_dump(Carbon::parse('2019-06-02 12:23:45')->is('12h')); // true
 * var_dump(Carbon::parse('2019-06-02 15:23:45')->is('3pm')); // true
 * var_dump(Carbon::parse('2019-06-02 15:23:45')->is('3am')); // false
 * ```
 *
 * @param string $tester day name, month name, hour, date, etc. as string
 *
 * @return bool
 */
 public function is(string $tester);
 /**
 * Determines if the instance is greater (after) than another
 *
 * @example
 * ```
 * Carbon::parse('2018-07-25 12:45:16')->isAfter('2018-07-25 12:45:15'); // true
 * Carbon::parse('2018-07-25 12:45:16')->isAfter('2018-07-25 12:45:16'); // false
 * Carbon::parse('2018-07-25 12:45:16')->isAfter('2018-07-25 12:45:17'); // false
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date
 *
 * @see greaterThan()
 *
 * @return bool
 */
 public function isAfter($date) : bool;
 /**
 * Determines if the instance is less (before) than another
 *
 * @example
 * ```
 * Carbon::parse('2018-07-25 12:45:16')->isBefore('2018-07-25 12:45:15'); // false
 * Carbon::parse('2018-07-25 12:45:16')->isBefore('2018-07-25 12:45:16'); // false
 * Carbon::parse('2018-07-25 12:45:16')->isBefore('2018-07-25 12:45:17'); // true
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date
 *
 * @see lessThan()
 *
 * @return bool
 */
 public function isBefore($date) : bool;
 /**
 * Determines if the instance is between two others
 *
 * @example
 * ```
 * Carbon::parse('2018-07-25')->isBetween('2018-07-14', '2018-08-01'); // true
 * Carbon::parse('2018-07-25')->isBetween('2018-08-01', '2018-08-20'); // false
 * Carbon::parse('2018-07-25')->isBetween('2018-07-25', '2018-08-01'); // true
 * Carbon::parse('2018-07-25')->isBetween('2018-07-25', '2018-08-01', false); // false
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date1
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date2
 * @param bool $equal Indicates if an equal to comparison should be done
 *
 * @return bool
 */
 public function isBetween($date1, $date2, $equal = \true) : bool;
 /**
 * Check if its the birthday. Compares the date/month values of the two dates.
 *
 * @example
 * ```
 * Carbon::now()->subYears(5)->isBirthday(); // true
 * Carbon::now()->subYears(5)->subDay()->isBirthday(); // false
 * Carbon::parse('2019-06-05')->isBirthday(Carbon::parse('2001-06-05')); // true
 * Carbon::parse('2019-06-05')->isBirthday(Carbon::parse('2001-06-06')); // false
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|null $date The instance to compare with or null to use current day.
 *
 * @return bool
 */
 public function isBirthday($date = null);
 /**
 * Determines if the instance is in the current unit given.
 *
 * @example
 * ```
 * Carbon::now()->isCurrentUnit('hour'); // true
 * Carbon::now()->subHours(2)->isCurrentUnit('hour'); // false
 * ```
 *
 * @param string $unit The unit to test.
 *
 * @throws BadMethodCallException
 *
 * @return bool
 */
 public function isCurrentUnit($unit);
 /**
 * Checks if this day is a specific day of the week.
 *
 * @example
 * ```
 * Carbon::parse('2019-07-17')->isDayOfWeek(Carbon::WEDNESDAY); // true
 * Carbon::parse('2019-07-17')->isDayOfWeek(Carbon::FRIDAY); // false
 * Carbon::parse('2019-07-17')->isDayOfWeek('Wednesday'); // true
 * Carbon::parse('2019-07-17')->isDayOfWeek('Friday'); // false
 * ```
 *
 * @param int $dayOfWeek
 *
 * @return bool
 */
 public function isDayOfWeek($dayOfWeek);
 /**
 * Check if the instance is end of day.
 *
 * @example
 * ```
 * Carbon::parse('2019-02-28 23:59:59.999999')->isEndOfDay(); // true
 * Carbon::parse('2019-02-28 23:59:59.123456')->isEndOfDay(); // true
 * Carbon::parse('2019-02-28 23:59:59')->isEndOfDay(); // true
 * Carbon::parse('2019-02-28 23:59:58.999999')->isEndOfDay(); // false
 * Carbon::parse('2019-02-28 23:59:59.999999')->isEndOfDay(true); // true
 * Carbon::parse('2019-02-28 23:59:59.123456')->isEndOfDay(true); // false
 * Carbon::parse('2019-02-28 23:59:59')->isEndOfDay(true); // false
 * ```
 *
 * @param bool $checkMicroseconds check time at microseconds precision
 *
 * @return bool
 */
 public function isEndOfDay($checkMicroseconds = \false);
 /**
 * Returns true if the date was created using CarbonImmutable::endOfTime()
 *
 * @return bool
 */
 public function isEndOfTime() : bool;
 /**
 * Determines if the instance is in the future, ie. greater (after) than now.
 *
 * @example
 * ```
 * Carbon::now()->addHours(5)->isFuture(); // true
 * Carbon::now()->subHours(5)->isFuture(); // false
 * ```
 *
 * @return bool
 */
 public function isFuture();
 /**
 * Returns true if the current class/instance is immutable.
 *
 * @return bool
 */
 public static function isImmutable();
 /**
 * Check if today is the last day of the Month
 *
 * @example
 * ```
 * Carbon::parse('2019-02-28')->isLastOfMonth(); // true
 * Carbon::parse('2019-03-28')->isLastOfMonth(); // false
 * Carbon::parse('2019-03-30')->isLastOfMonth(); // false
 * Carbon::parse('2019-03-31')->isLastOfMonth(); // true
 * Carbon::parse('2019-04-30')->isLastOfMonth(); // true
 * ```
 *
 * @return bool
 */
 public function isLastOfMonth();
 /**
 * Determines if the instance is a leap year.
 *
 * @example
 * ```
 * Carbon::parse('2020-01-01')->isLeapYear(); // true
 * Carbon::parse('2019-01-01')->isLeapYear(); // false
 * ```
 *
 * @return bool
 */
 public function isLeapYear();
 /**
 * Determines if the instance is a long year (using ISO 8601 year).
 *
 * @example
 * ```
 * Carbon::parse('2015-01-01')->isLongIsoYear(); // true
 * Carbon::parse('2016-01-01')->isLongIsoYear(); // true
 * Carbon::parse('2016-01-03')->isLongIsoYear(); // false
 * Carbon::parse('2019-12-29')->isLongIsoYear(); // false
 * Carbon::parse('2019-12-30')->isLongIsoYear(); // true
 * ```
 *
 * @see https://en.wikipedia.org/wiki/ISO_8601#Week_dates
 *
 * @return bool
 */
 public function isLongIsoYear();
 /**
 * Determines if the instance is a long year (using calendar year).
 *
 * ⚠️ This method completely ignores month and day to use the numeric year number,
 * it's not correct if the exact date matters. For instance as `2019-12-30` is already
 * in the first week of the 2020 year, if you want to know from this date if ISO week
 * year 2020 is a long year, use `isLongIsoYear` instead.
 *
 * @example
 * ```
 * Carbon::create(2015)->isLongYear(); // true
 * Carbon::create(2016)->isLongYear(); // false
 * ```
 *
 * @see https://en.wikipedia.org/wiki/ISO_8601#Week_dates
 *
 * @return bool
 */
 public function isLongYear();
 /**
 * Check if the instance is midday.
 *
 * @example
 * ```
 * Carbon::parse('2019-02-28 11:59:59.999999')->isMidday(); // false
 * Carbon::parse('2019-02-28 12:00:00')->isMidday(); // true
 * Carbon::parse('2019-02-28 12:00:00.999999')->isMidday(); // true
 * Carbon::parse('2019-02-28 12:00:01')->isMidday(); // false
 * ```
 *
 * @return bool
 */
 public function isMidday();
 /**
 * Check if the instance is start of day / midnight.
 *
 * @example
 * ```
 * Carbon::parse('2019-02-28 00:00:00')->isMidnight(); // true
 * Carbon::parse('2019-02-28 00:00:00.999999')->isMidnight(); // true
 * Carbon::parse('2019-02-28 00:00:01')->isMidnight(); // false
 * ```
 *
 * @return bool
 */
 public function isMidnight();
 /**
 * Returns true if a property can be changed via setter.
 *
 * @param string $unit
 *
 * @return bool
 */
 public static function isModifiableUnit($unit);
 /**
 * Returns true if the current class/instance is mutable.
 *
 * @return bool
 */
 public static function isMutable();
 /**
 * Determines if the instance is in the past, ie. less (before) than now.
 *
 * @example
 * ```
 * Carbon::now()->subHours(5)->isPast(); // true
 * Carbon::now()->addHours(5)->isPast(); // false
 * ```
 *
 * @return bool
 */
 public function isPast();
 /**
 * Compares the formatted values of the two dates.
 *
 * @example
 * ```
 * Carbon::parse('2019-06-13')->isSameAs('Y-d', Carbon::parse('2019-12-13')); // true
 * Carbon::parse('2019-06-13')->isSameAs('Y-d', Carbon::parse('2019-06-14')); // false
 * ```
 *
 * @param string $format date formats to compare.
 * @param \Carbon\Carbon|\DateTimeInterface|string|null $date instance to compare with or null to use current day.
 *
 * @return bool
 */
 public function isSameAs($format, $date = null);
 /**
 * Checks if the passed in date is in the same month as the instance´s month.
 *
 * @example
 * ```
 * Carbon::parse('2019-01-12')->isSameMonth(Carbon::parse('2019-01-01')); // true
 * Carbon::parse('2019-01-12')->isSameMonth(Carbon::parse('2019-02-01')); // false
 * Carbon::parse('2019-01-12')->isSameMonth(Carbon::parse('2018-01-01')); // false
 * Carbon::parse('2019-01-12')->isSameMonth(Carbon::parse('2018-01-01'), false); // true
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|null $date The instance to compare with or null to use the current date.
 * @param bool $ofSameYear Check if it is the same month in the same year.
 *
 * @return bool
 */
 public function isSameMonth($date = null, $ofSameYear = \true);
 /**
 * Checks if the passed in date is in the same quarter as the instance quarter (and year if needed).
 *
 * @example
 * ```
 * Carbon::parse('2019-01-12')->isSameQuarter(Carbon::parse('2019-03-01')); // true
 * Carbon::parse('2019-01-12')->isSameQuarter(Carbon::parse('2019-04-01')); // false
 * Carbon::parse('2019-01-12')->isSameQuarter(Carbon::parse('2018-03-01')); // false
 * Carbon::parse('2019-01-12')->isSameQuarter(Carbon::parse('2018-03-01'), false); // true
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|string|null $date The instance to compare with or null to use current day.
 * @param bool $ofSameYear Check if it is the same month in the same year.
 *
 * @return bool
 */
 public function isSameQuarter($date = null, $ofSameYear = \true);
 /**
 * Determines if the instance is in the current unit given.
 *
 * @example
 * ```
 * Carbon::parse('2019-01-13')->isSameUnit('year', Carbon::parse('2019-12-25')); // true
 * Carbon::parse('2018-12-13')->isSameUnit('year', Carbon::parse('2019-12-25')); // false
 * ```
 *
 * @param string $unit singular unit string
 * @param \Carbon\Carbon|\DateTimeInterface|null $date instance to compare with or null to use current day.
 *
 * @throws BadComparisonUnitException
 *
 * @return bool
 */
 public function isSameUnit($unit, $date = null);
 /**
 * Check if the instance is start of day / midnight.
 *
 * @example
 * ```
 * Carbon::parse('2019-02-28 00:00:00')->isStartOfDay(); // true
 * Carbon::parse('2019-02-28 00:00:00.999999')->isStartOfDay(); // true
 * Carbon::parse('2019-02-28 00:00:01')->isStartOfDay(); // false
 * Carbon::parse('2019-02-28 00:00:00.000000')->isStartOfDay(true); // true
 * Carbon::parse('2019-02-28 00:00:00.000012')->isStartOfDay(true); // false
 * ```
 *
 * @param bool $checkMicroseconds check time at microseconds precision
 *
 * @return bool
 */
 public function isStartOfDay($checkMicroseconds = \false);
 /**
 * Returns true if the date was created using CarbonImmutable::startOfTime()
 *
 * @return bool
 */
 public function isStartOfTime() : bool;
 /**
 * Returns true if the strict mode is globally in use, false else.
 * (It can be overridden in specific instances.)
 *
 * @return bool
 */
 public static function isStrictModeEnabled();
 /**
 * Determines if the instance is today.
 *
 * @example
 * ```
 * Carbon::today()->isToday(); // true
 * Carbon::tomorrow()->isToday(); // false
 * ```
 *
 * @return bool
 */
 public function isToday();
 /**
 * Determines if the instance is tomorrow.
 *
 * @example
 * ```
 * Carbon::tomorrow()->isTomorrow(); // true
 * Carbon::yesterday()->isTomorrow(); // false
 * ```
 *
 * @return bool
 */
 public function isTomorrow();
 /**
 * Determines if the instance is a weekday.
 *
 * @example
 * ```
 * Carbon::parse('2019-07-14')->isWeekday(); // false
 * Carbon::parse('2019-07-15')->isWeekday(); // true
 * ```
 *
 * @return bool
 */
 public function isWeekday();
 /**
 * Determines if the instance is a weekend day.
 *
 * @example
 * ```
 * Carbon::parse('2019-07-14')->isWeekend(); // true
 * Carbon::parse('2019-07-15')->isWeekend(); // false
 * ```
 *
 * @return bool
 */
 public function isWeekend();
 /**
 * Determines if the instance is yesterday.
 *
 * @example
 * ```
 * Carbon::yesterday()->isYesterday(); // true
 * Carbon::tomorrow()->isYesterday(); // false
 * ```
 *
 * @return bool
 */
 public function isYesterday();
 /**
 * Format in the current language using ISO replacement patterns.
 *
 * @param string $format
 * @param string|null $originalFormat provide context if a chunk has been passed alone
 *
 * @return string
 */
 public function isoFormat(string $format, ?string $originalFormat = null) : string;
 /**
 * Get/set the week number using given first day of week and first
 * day of year included in the first week. Or use ISO format if no settings
 * given.
 *
 * @param int|null $week
 * @param int|null $dayOfWeek
 * @param int|null $dayOfYear
 *
 * @return int|static
 */
 public function isoWeek($week = null, $dayOfWeek = null, $dayOfYear = null);
 /**
 * Set/get the week number of year using given first day of week and first
 * day of year included in the first week. Or use ISO format if no settings
 * given.
 *
 * @param int|null $year if null, act as a getter, if not null, set the year and return current instance.
 * @param int|null $dayOfWeek first date of week from 0 (Sunday) to 6 (Saturday)
 * @param int|null $dayOfYear first day of year included in the week #1
 *
 * @return int|static
 */
 public function isoWeekYear($year = null, $dayOfWeek = null, $dayOfYear = null);
 /**
 * Get/set the ISO weekday from 1 (Monday) to 7 (Sunday).
 *
 * @param int|null $value new value for weekday if using as setter.
 *
 * @return static|int
 */
 public function isoWeekday($value = null);
 /**
 * Get the number of weeks of the current week-year using given first day of week and first
 * day of year included in the first week. Or use ISO format if no settings
 * given.
 *
 * @param int|null $dayOfWeek first date of week from 0 (Sunday) to 6 (Saturday)
 * @param int|null $dayOfYear first day of year included in the week #1
 *
 * @return int
 */
 public function isoWeeksInYear($dayOfWeek = null, $dayOfYear = null);
 /**
 * Prepare the object for JSON serialization.
 *
 * @return array|string
 */
 #[\ReturnTypeWillChange]
 public function jsonSerialize();
 /**
 * Modify to the last occurrence of a given day of the week
 * in the current month. If no dayOfWeek is provided, modify to the
 * last day of the current month. Use the supplied constants
 * to indicate the desired dayOfWeek, ex. static::MONDAY.
 *
 * @param int|null $dayOfWeek
 *
 * @return static
 */
 public function lastOfMonth($dayOfWeek = null);
 /**
 * Modify to the last occurrence of a given day of the week
 * in the current quarter. If no dayOfWeek is provided, modify to the
 * last day of the current quarter. Use the supplied constants
 * to indicate the desired dayOfWeek, ex. static::MONDAY.
 *
 * @param int|null $dayOfWeek day of the week default null
 *
 * @return static
 */
 public function lastOfQuarter($dayOfWeek = null);
 /**
 * Modify to the last occurrence of a given day of the week
 * in the current year. If no dayOfWeek is provided, modify to the
 * last day of the current year. Use the supplied constants
 * to indicate the desired dayOfWeek, ex. static::MONDAY.
 *
 * @param int|null $dayOfWeek day of the week default null
 *
 * @return static
 */
 public function lastOfYear($dayOfWeek = null);
 /**
 * Determines if the instance is less (before) than another
 *
 * @example
 * ```
 * Carbon::parse('2018-07-25 12:45:16')->lessThan('2018-07-25 12:45:15'); // false
 * Carbon::parse('2018-07-25 12:45:16')->lessThan('2018-07-25 12:45:16'); // false
 * Carbon::parse('2018-07-25 12:45:16')->lessThan('2018-07-25 12:45:17'); // true
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date
 *
 * @return bool
 */
 public function lessThan($date) : bool;
 /**
 * Determines if the instance is less (before) or equal to another
 *
 * @example
 * ```
 * Carbon::parse('2018-07-25 12:45:16')->lessThanOrEqualTo('2018-07-25 12:45:15'); // false
 * Carbon::parse('2018-07-25 12:45:16')->lessThanOrEqualTo('2018-07-25 12:45:16'); // true
 * Carbon::parse('2018-07-25 12:45:16')->lessThanOrEqualTo('2018-07-25 12:45:17'); // true
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date
 *
 * @return bool
 */
 public function lessThanOrEqualTo($date) : bool;
 /**
 * Get/set the locale for the current instance.
 *
 * @param string|null $locale
 * @param string ...$fallbackLocales
 *
 * @return $this|string
 */
 public function locale(?string $locale = null, ...$fallbackLocales);
 /**
 * Returns true if the given locale is internally supported and has words for 1-day diff (just now, yesterday, tomorrow).
 * Support is considered enabled if the 3 words are translated in the given locale.
 *
 * @param string $locale locale ex. en
 *
 * @return bool
 */
 public static function localeHasDiffOneDayWords($locale);
 /**
 * Returns true if the given locale is internally supported and has diff syntax support (ago, from now, before, after).
 * Support is considered enabled if the 4 sentences are translated in the given locale.
 *
 * @param string $locale locale ex. en
 *
 * @return bool
 */
 public static function localeHasDiffSyntax($locale);
 /**
 * Returns true if the given locale is internally supported and has words for 2-days diff (before yesterday, after tomorrow).
 * Support is considered enabled if the 2 words are translated in the given locale.
 *
 * @param string $locale locale ex. en
 *
 * @return bool
 */
 public static function localeHasDiffTwoDayWords($locale);
 /**
 * Returns true if the given locale is internally supported and has period syntax support (X times, every X, from X, to X).
 * Support is considered enabled if the 4 sentences are translated in the given locale.
 *
 * @param string $locale locale ex. en
 *
 * @return bool
 */
 public static function localeHasPeriodSyntax($locale);
 /**
 * Returns true if the given locale is internally supported and has short-units support.
 * Support is considered enabled if either year, day or hour has a short variant translated.
 *
 * @param string $locale locale ex. en
 *
 * @return bool
 */
 public static function localeHasShortUnits($locale);
 /**
 * Determines if the instance is less (before) than another
 *
 * @example
 * ```
 * Carbon::parse('2018-07-25 12:45:16')->lt('2018-07-25 12:45:15'); // false
 * Carbon::parse('2018-07-25 12:45:16')->lt('2018-07-25 12:45:16'); // false
 * Carbon::parse('2018-07-25 12:45:16')->lt('2018-07-25 12:45:17'); // true
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date
 *
 * @see lessThan()
 *
 * @return bool
 */
 public function lt($date) : bool;
 /**
 * Determines if the instance is less (before) or equal to another
 *
 * @example
 * ```
 * Carbon::parse('2018-07-25 12:45:16')->lte('2018-07-25 12:45:15'); // false
 * Carbon::parse('2018-07-25 12:45:16')->lte('2018-07-25 12:45:16'); // true
 * Carbon::parse('2018-07-25 12:45:16')->lte('2018-07-25 12:45:17'); // true
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date
 *
 * @see lessThanOrEqualTo()
 *
 * @return bool
 */
 public function lte($date) : bool;
 /**
 * Register a custom macro.
 *
 * @example
 * ```
 * $userSettings = [
 * 'locale' => 'pt',
 * 'timezone' => 'America/Sao_Paulo',
 * ];
 * Carbon::macro('userFormat', function () use ($userSettings) {
 * return $this->copy()->locale($userSettings['locale'])->tz($userSettings['timezone'])->calendar();
 * });
 * echo Carbon::yesterday()->hours(11)->userFormat();
 * ```
 *
 * @param string $name
 * @param object|callable $macro
 *
 * @return void
 */
 public static function macro($name, $macro);
 /**
 * Make a Carbon instance from given variable if possible.
 *
 * Always return a new instance. Parse only strings and only these likely to be dates (skip intervals
 * and recurrences). Throw an exception for invalid format, but otherwise return null.
 *
 * @param mixed $var
 *
 * @throws InvalidFormatException
 *
 * @return static|null
 */
 public static function make($var);
 /**
 * Get the maximum instance between a given instance (default now) and the current instance.
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date
 *
 * @return static
 */
 public function max($date = null);
 /**
 * Create a Carbon instance for the greatest supported date.
 *
 * @return static
 */
 public static function maxValue();
 /**
 * Get the maximum instance between a given instance (default now) and the current instance.
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date
 *
 * @see max()
 *
 * @return static
 */
 public function maximum($date = null);
 /**
 * Return the meridiem of the current time in the current locale.
 *
 * @param bool $isLower if true, returns lowercase variant if available in the current locale.
 *
 * @return string
 */
 public function meridiem(bool $isLower = \false) : string;
 /**
 * Modify to midday, default to self::$midDayAt
 *
 * @return static
 */
 public function midDay();
 /**
 * Get the minimum instance between a given instance (default now) and the current instance.
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date
 *
 * @return static
 */
 public function min($date = null);
 /**
 * Create a Carbon instance for the lowest supported date.
 *
 * @return static
 */
 public static function minValue();
 /**
 * Get the minimum instance between a given instance (default now) and the current instance.
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date
 *
 * @see min()
 *
 * @return static
 */
 public function minimum($date = null);
 /**
 * Mix another object into the class.
 *
 * @example
 * ```
 * Carbon::mixin(new class {
 * public function addMoon() {
 * return function () {
 * return $this->addDays(30);
 * };
 * }
 * public function subMoon() {
 * return function () {
 * return $this->subDays(30);
 * };
 * }
 * });
 * $fullMoon = Carbon::create('2018-12-22');
 * $nextFullMoon = $fullMoon->addMoon();
 * $blackMoon = Carbon::create('2019-01-06');
 * $previousBlackMoon = $blackMoon->subMoon();
 * echo "$nextFullMoon\n";
 * echo "$previousBlackMoon\n";
 * ```
 *
 * @param object|string $mixin
 *
 * @throws ReflectionException
 *
 * @return void
 */
 public static function mixin($mixin);
 /**
 * Calls \DateTime::modify if mutable or \DateTimeImmutable::modify else.
 *
 * @see https://php.net/manual/en/datetime.modify.php
 *
 * @return static|false
 */
 #[\ReturnTypeWillChange]
 public function modify($modify);
 /**
 * Determines if the instance is not equal to another
 *
 * @example
 * ```
 * Carbon::parse('2018-07-25 12:45:16')->ne('2018-07-25 12:45:16'); // false
 * Carbon::parse('2018-07-25 12:45:16')->ne(Carbon::parse('2018-07-25 12:45:16')); // false
 * Carbon::parse('2018-07-25 12:45:16')->ne('2018-07-25 12:45:17'); // true
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date
 *
 * @see notEqualTo()
 *
 * @return bool
 */
 public function ne($date) : bool;
 /**
 * Modify to the next occurrence of a given modifier such as a day of
 * the week. If no modifier is provided, modify to the next occurrence
 * of the current day of the week. Use the supplied constants
 * to indicate the desired dayOfWeek, ex. static::MONDAY.
 *
 * @param string|int|null $modifier
 *
 * @return static|false
 */
 public function next($modifier = null);
 /**
 * Go forward to the next weekday.
 *
 * @return static
 */
 public function nextWeekday();
 /**
 * Go forward to the next weekend day.
 *
 * @return static
 */
 public function nextWeekendDay();
 /**
 * Determines if the instance is not equal to another
 *
 * @example
 * ```
 * Carbon::parse('2018-07-25 12:45:16')->notEqualTo('2018-07-25 12:45:16'); // false
 * Carbon::parse('2018-07-25 12:45:16')->notEqualTo(Carbon::parse('2018-07-25 12:45:16')); // false
 * Carbon::parse('2018-07-25 12:45:16')->notEqualTo('2018-07-25 12:45:17'); // true
 * ```
 *
 * @param \Carbon\Carbon|\DateTimeInterface|mixed $date
 *
 * @return bool
 */
 public function notEqualTo($date) : bool;
 /**
 * Get a Carbon instance for the current date and time.
 *
 * @param DateTimeZone|string|null $tz
 *
 * @return static
 */
 public static function now($tz = null);
 /**
 * Returns a present instance in the same timezone.
 *
 * @return static
 */
 public function nowWithSameTz();
 /**
 * Modify to the given occurrence of a given day of the week
 * in the current month. If the calculated occurrence is outside the scope
 * of the current month, then return false and no modifications are made.
 * Use the supplied constants to indicate the desired dayOfWeek, ex. static::MONDAY.
 *
 * @param int $nth
 * @param int $dayOfWeek
 *
 * @return mixed
 */
 public function nthOfMonth($nth, $dayOfWeek);
 /**
 * Modify to the given occurrence of a given day of the week
 * in the current quarter. If the calculated occurrence is outside the scope
 * of the current quarter, then return false and no modifications are made.
 * Use the supplied constants to indicate the desired dayOfWeek, ex. static::MONDAY.
 *
 * @param int $nth
 * @param int $dayOfWeek
 *
 * @return mixed
 */
 public function nthOfQuarter($nth, $dayOfWeek);
 /**
 * Modify to the given occurrence of a given day of the week
 * in the current year. If the calculated occurrence is outside the scope
 * of the current year, then return false and no modifications are made.
 * Use the supplied constants to indicate the desired dayOfWeek, ex. static::MONDAY.
 *
 * @param int $nth
 * @param int $dayOfWeek
 *
 * @return mixed
 */
 public function nthOfYear($nth, $dayOfWeek);
 /**
 * Return a property with its ordinal.
 *
 * @param string $key
 * @param string|null $period
 *
 * @return string
 */
 public function ordinal(string $key, ?string $period = null) : string;
 /**
 * Create a carbon instance from a string.
 *
 * This is an alias for the constructor that allows better fluent syntax
 * as it allows you to do Carbon::parse('Monday next week')->fn() rather
 * than (new Carbon('Monday next week'))->fn().
 *
 * @param string|DateTimeInterface|null $time
 * @param DateTimeZone|string|null $tz
 *
 * @throws InvalidFormatException
 *
 * @return static
 */
 public static function parse($time = null, $tz = null);
 /**
 * Create a carbon instance from a localized string (in French, Japanese, Arabic, etc.).
 *
 * @param string $time date/time string in the given language (may also contain English).
 * @param string|null $locale if locale is null or not specified, current global locale will be
 * used instead.
 * @param DateTimeZone|string|null $tz optional timezone for the new instance.
 *
 * @throws InvalidFormatException
 *
 * @return static
 */
 public static function parseFromLocale($time, $locale = null, $tz = null);
 /**
 * Returns standardized plural of a given singular/plural unit name (in English).
 *
 * @param string $unit
 *
 * @return string
 */
 public static function pluralUnit(string $unit) : string;
 /**
 * Modify to the previous occurrence of a given modifier such as a day of
 * the week. If no dayOfWeek is provided, modify to the previous occurrence
 * of the current day of the week. Use the supplied constants
 * to indicate the desired dayOfWeek, ex. static::MONDAY.
 *
 * @param string|int|null $modifier
 *
 * @return static|false
 */
 public function previous($modifier = null);
 /**
 * Go backward to the previous weekday.
 *
 * @return static
 */
 public function previousWeekday();
 /**
 * Go backward to the previous weekend day.
 *
 * @return static
 */
 public function previousWeekendDay();
 /**
 * Create a iterable CarbonPeriod object from current date to a given end date (and optional interval).
 *
 * @param \DateTimeInterface|Carbon|CarbonImmutable|null $end period end date
 * @param int|\DateInterval|string|null $interval period default interval or number of the given $unit
 * @param string|null $unit if specified, $interval must be an integer
 *
 * @return CarbonPeriod
 */
 public function range($end = null, $interval = null, $unit = null);
 /**
 * Call native PHP DateTime/DateTimeImmutable add() method.
 *
 * @param DateInterval $interval
 *
 * @return static
 */
 public function rawAdd(DateInterval $interval);
 /**
 * Create a Carbon instance from a specific format.
 *
 * @param string $format Datetime format
 * @param string $time
 * @param DateTimeZone|string|false|null $tz
 *
 * @throws InvalidFormatException
 *
 * @return static|false
 */
 public static function rawCreateFromFormat($format, $time, $tz = null);
 /**
 * @see https://php.net/manual/en/datetime.format.php
 *
 * @param string $format
 *
 * @return string
 */
 public function rawFormat($format);
 /**
 * Create a carbon instance from a string.
 *
 * This is an alias for the constructor that allows better fluent syntax
 * as it allows you to do Carbon::parse('Monday next week')->fn() rather
 * than (new Carbon('Monday next week'))->fn().
 *
 * @param string|DateTimeInterface|null $time
 * @param DateTimeZone|string|null $tz
 *
 * @throws InvalidFormatException
 *
 * @return static
 */
 public static function rawParse($time = null, $tz = null);
 /**
 * Call native PHP DateTime/DateTimeImmutable sub() method.
 *
 * @param DateInterval $interval
 *
 * @return static
 */
 public function rawSub(DateInterval $interval);
 /**
 * Remove all macros and generic macros.
 */
 public static function resetMacros();
 /**
 * @deprecated To avoid conflict between different third-party libraries, static setters should not be used.
 * You should rather use the ->settings() method.
 * Or you can use method variants: addMonthsWithOverflow/addMonthsNoOverflow, same variants
 * are available for quarters, years, decade, centuries, millennia (singular and plural forms).
 * @see settings
 *
 * Reset the month overflow behavior.
 *
 * @return void
 */
 public static function resetMonthsOverflow();
 /**
 * Reset the format used to the default when type juggling a Carbon instance to a string
 *
 * @return void
 */
 public static function resetToStringFormat();
 /**
 * @deprecated To avoid conflict between different third-party libraries, static setters should not be used.
 * You should rather use the ->settings() method.
 * Or you can use method variants: addYearsWithOverflow/addYearsNoOverflow, same variants
 * are available for quarters, years, decade, centuries, millennia (singular and plural forms).
 * @see settings
 *
 * Reset the month overflow behavior.
 *
 * @return void
 */
 public static function resetYearsOverflow();
 /**
 * Round the current instance second with given precision if specified.
 *
 * @param float|int|string|\DateInterval|null $precision
 * @param string $function
 *
 * @return CarbonInterface
 */
 public function round($precision = 1, $function = 'round');
 /**
 * Round the current instance at the given unit with given precision if specified and the given function.
 *
 * @param string $unit
 * @param float|int $precision
 * @param string $function
 *
 * @return CarbonInterface
 */
 public function roundUnit($unit, $precision = 1, $function = 'round');
 /**
 * Round the current instance week.
 *
 * @param int $weekStartsAt optional start allow you to specify the day of week to use to start the week
 *
 * @return CarbonInterface
 */
 public function roundWeek($weekStartsAt = null);
 /**
 * The number of seconds since midnight.
 *
 * @return int
 */
 public function secondsSinceMidnight();
 /**
 * The number of seconds until 23:59:59.
 *
 * @return int
 */
 public function secondsUntilEndOfDay();
 /**
 * Return a serialized string of the instance.
 *
 * @return string
 */
 public function serialize();
 /**
 * @deprecated To avoid conflict between different third-party libraries, static setters should not be used.
 * You should rather transform Carbon object before the serialization.
 *
 * JSON serialize all Carbon instances using the given callback.
 *
 * @param callable $callback
 *
 * @return void
 */
 public static function serializeUsing($callback);
 /**
 * Set a part of the Carbon object
 *
 * @param string|array $name
 * @param string|int|DateTimeZone $value
 *
 * @throws ImmutableException|UnknownSetterException
 *
 * @return $this
 */
 public function set($name, $value = null);
 /**
 * Set the date with gregorian year, month and day numbers.
 *
 * @see https://php.net/manual/en/datetime.setdate.php
 *
 * @param int $year
 * @param int $month
 * @param int $day
 *
 * @return static
 */
 #[\ReturnTypeWillChange]
 public function setDate($year, $month, $day);
 /**
 * Set the year, month, and date for this instance to that of the passed instance.
 *
 * @param Carbon|DateTimeInterface $date now if null
 *
 * @return static
 */
 public function setDateFrom($date = null);
 /**
 * Set the date and time all together.
 *
 * @param int $year
 * @param int $month
 * @param int $day
 * @param int $hour
 * @param int $minute
 * @param int $second
 * @param int $microseconds
 *
 * @return static
 */
 public function setDateTime($year, $month, $day, $hour, $minute, $second = 0, $microseconds = 0);
 /**
 * Set the date and time for this instance to that of the passed instance.
 *
 * @param Carbon|DateTimeInterface $date
 *
 * @return static
 */
 public function setDateTimeFrom($date = null);
 /**
 * Set the day (keeping the current time) to the start of the week + the number of days passed as the first
 * parameter. First day of week is driven by the locale unless explicitly set with the second parameter.
 *
 * @param int $numberOfDays number of days to add after the start of the current week
 * @param int|null $weekStartsAt optional start allow you to specify the day of week to use to start the week,
 * if not provided, start of week is inferred from the locale
 * (Sunday for en_US, Monday for de_DE, etc.)
 *
 * @return static
 */
 public function setDaysFromStartOfWeek(int $numberOfDays, ?int $weekStartsAt = null);
 /**
 * Set the fallback locale.
 *
 * @see https://symfony.com/doc/current/components/translation.html#fallback-locales
 *
 * @param string $locale
 */
 public static function setFallbackLocale($locale);
 /**
 * @deprecated To avoid conflict between different third-party libraries, static setters should not be used.
 * You should rather use the ->settings() method.
 * @see settings
 *
 * @param int $humanDiffOptions
 */
 public static function setHumanDiffOptions($humanDiffOptions);
 /**
 * Set a date according to the ISO 8601 standard - using weeks and day offsets rather than specific dates.
 *
 * @see https://php.net/manual/en/datetime.setisodate.php
 *
 * @param int $year
 * @param int $week
 * @param int $day
 *
 * @return static
 */
 #[\ReturnTypeWillChange]
 public function setISODate($year, $week, $day = 1);
 /**
 * Set the translator for the current instance.
 *
 * @param \Symfony\Component\Translation\TranslatorInterface $translator
 *
 * @return $this
 */
 public function setLocalTranslator(TranslatorInterface $translator);
 /**
 * Set the current translator locale and indicate if the source locale file exists.
 * Pass 'auto' as locale to use closest language from the current LC_TIME locale.
 *
 * @param string $locale locale ex. en
 *
 * @return bool
 */
 public static function setLocale($locale);
 /**
 * @deprecated To avoid conflict between different third-party libraries, static setters should not be used.
 * You should rather consider mid-day is always 12pm, then if you need to test if it's an other
 * hour, test it explicitly:
 * $date->format('G') == 13
 * or to set explicitly to a given hour:
 * $date->setTime(13, 0, 0, 0)
 *
 * Set midday/noon hour
 *
 * @param int $hour midday hour
 *
 * @return void
 */
 public static function setMidDayAt($hour);
 /**
 * Set a Carbon instance (real or mock) to be returned when a "now"
 * instance is created. The provided instance will be returned
 * specifically under the following conditions:
 * - A call to the static now() method, ex. Carbon::now()
 * - When a null (or blank string) is passed to the constructor or parse(), ex. new Carbon(null)
 * - When the string "now" is passed to the constructor or parse(), ex. new Carbon('now')
 * - When a string containing the desired time is passed to Carbon::parse().
 *
 * Note the timezone parameter was left out of the examples above and
 * has no affect as the mock value will be returned regardless of its value.
 *
 * Only the moment is mocked with setTestNow(), the timezone will still be the one passed
 * as parameter of date_default_timezone_get() as a fallback (see setTestNowAndTimezone()).
 *
 * To clear the test instance call this method using the default
 * parameter of null.
 *
 * /!\ Use this method for unit tests only.
 *
 * @param DateTimeInterface|Closure|static|string|false|null $testNow real or mock Carbon instance
 */
 public static function setTestNow($testNow = null);
 /**
 * Set a Carbon instance (real or mock) to be returned when a "now"
 * instance is created. The provided instance will be returned
 * specifically under the following conditions:
 * - A call to the static now() method, ex. Carbon::now()
 * - When a null (or blank string) is passed to the constructor or parse(), ex. new Carbon(null)
 * - When the string "now" is passed to the constructor or parse(), ex. new Carbon('now')
 * - When a string containing the desired time is passed to Carbon::parse().
 *
 * It will also align default timezone (e.g. call date_default_timezone_set()) with
 * the second argument or if null, with the timezone of the given date object.
 *
 * To clear the test instance call this method using the default
 * parameter of null.
 *
 * /!\ Use this method for unit tests only.
 *
 * @param DateTimeInterface|Closure|static|string|false|null $testNow real or mock Carbon instance
 */
 public static function setTestNowAndTimezone($testNow = null, $tz = null);
 /**
 * Resets the current time of the DateTime object to a different time.
 *
 * @see https://php.net/manual/en/datetime.settime.php
 *
 * @param int $hour
 * @param int $minute
 * @param int $second
 * @param int $microseconds
 *
 * @return static
 */
 #[\ReturnTypeWillChange]
 public function setTime($hour, $minute, $second = 0, $microseconds = 0);
 /**
 * Set the hour, minute, second and microseconds for this instance to that of the passed instance.
 *
 * @param Carbon|DateTimeInterface $date now if null
 *
 * @return static
 */
 public function setTimeFrom($date = null);
 /**
 * Set the time by time string.
 *
 * @param string $time
 *
 * @return static
 */
 public function setTimeFromTimeString($time);
 /**
 * Set the instance's timestamp.
 *
 * Timestamp input can be given as int, float or a string containing one or more numbers.
 *
 * @param float|int|string $unixTimestamp
 *
 * @return static
 */
 #[\ReturnTypeWillChange]
 public function setTimestamp($unixTimestamp);
 /**
 * Set the instance's timezone from a string or object.
 *
 * @param DateTimeZone|string $value
 *
 * @return static
 */
 #[\ReturnTypeWillChange]
 public function setTimezone($value);
 /**
 * @deprecated To avoid conflict between different third-party libraries, static setters should not be used.
 * You should rather let Carbon object being cast to string with DEFAULT_TO_STRING_FORMAT, and
 * use other method or custom format passed to format() method if you need to dump another string
 * format.
 *
 * Set the default format used when type juggling a Carbon instance to a string.
 *
 * @param string|Closure|null $format
 *
 * @return void
 */
 public static function setToStringFormat($format);
 /**
 * Set the default translator instance to use.
 *
 * @param \Symfony\Component\Translation\TranslatorInterface $translator
 *
 * @return void
 */
 public static function setTranslator(TranslatorInterface $translator);
 /**
 * Set specified unit to new given value.
 *
 * @param string $unit year, month, day, hour, minute, second or microsecond
 * @param int $value new value for given unit
 *
 * @return static
 */
 public function setUnit($unit, $value = null);
 /**
 * Set any unit to a new value without overflowing current other unit given.
 *
 * @param string $valueUnit unit name to modify
 * @param int $value new value for the input unit
 * @param string $overflowUnit unit name to not overflow
 *
 * @return static
 */
 public function setUnitNoOverflow($valueUnit, $value, $overflowUnit);
 /**
 * @deprecated To avoid conflict between different third-party libraries, static setters should not be used.
 * You should rather use UTF-8 language packages on every machine.
 *
 * Set if UTF8 will be used for localized date/time.
 *
 * @param bool $utf8
 */
 public static function setUtf8($utf8);
 /**
 * @deprecated To avoid conflict between different third-party libraries, static setters should not be used.
 * Use $weekStartsAt optional parameter instead when using startOfWeek, floorWeek, ceilWeek
 * or roundWeek method. You can also use the 'first_day_of_week' locale setting to change the
 * start of week according to current locale selected and implicitly the end of week.
 *
 * Set the last day of week
 *
 * @param int|string $day week end day (or 'auto' to get the day before the first day of week
 * from Carbon::getLocale() culture).
 *
 * @return void
 */
 public static function setWeekEndsAt($day);
 /**
 * @deprecated To avoid conflict between different third-party libraries, static setters should not be used.
 * Use $weekEndsAt optional parameter instead when using endOfWeek method. You can also use the
 * 'first_day_of_week' locale setting to change the start of week according to current locale
 * selected and implicitly the end of week.
 *
 * Set the first day of week
 *
 * @param int|string $day week start day (or 'auto' to get the first day of week from Carbon::getLocale() culture).
 *
 * @return void
 */
 public static function setWeekStartsAt($day);
 /**
 * @deprecated To avoid conflict between different third-party libraries, static setters should not be used.
 * You should rather consider week-end is always saturday and sunday, and if you have some custom
 * week-end days to handle, give to those days an other name and create a macro for them:
 *
 * ```
 * Carbon::macro('isDayOff', function ($date) {
 * return $date->isSunday() || $date->isMonday();
 * });
 * Carbon::macro('isNotDayOff', function ($date) {
 * return !$date->isDayOff();
 * });
 * if ($someDate->isDayOff()) ...
 * if ($someDate->isNotDayOff()) ...
 * // Add 5 not-off days
 * $count = 5;
 * while ($someDate->isDayOff() || ($count-- > 0)) {
 * $someDate->addDay();
 * }
 * ```
 *
 * Set weekend days
 *
 * @param array $days
 *
 * @return void
 */
 public static function setWeekendDays($days);
 /**
 * Set specific options.
 * - strictMode: true|false|null
 * - monthOverflow: true|false|null
 * - yearOverflow: true|false|null
 * - humanDiffOptions: int|null
 * - toStringFormat: string|Closure|null
 * - toJsonFormat: string|Closure|null
 * - locale: string|null
 * - timezone: \DateTimeZone|string|int|null
 * - macros: array|null
 * - genericMacros: array|null
 *
 * @param array $settings
 *
 * @return $this|static
 */
 public function settings(array $settings);
 /**
 * Set the instance's timezone from a string or object and add/subtract the offset difference.
 *
 * @param DateTimeZone|string $value
 *
 * @return static
 */
 public function shiftTimezone($value);
 /**
 * Get the month overflow global behavior (can be overridden in specific instances).
 *
 * @return bool
 */
 public static function shouldOverflowMonths();
 /**
 * Get the month overflow global behavior (can be overridden in specific instances).
 *
 * @return bool
 */
 public static function shouldOverflowYears();
 /**
 * @alias diffForHumans
 *
 * Get the difference in a human readable format in the current locale from current instance to an other
 * instance given (or now if null given).
 */
 public function since($other = null, $syntax = null, $short = \false, $parts = 1, $options = null);
 /**
 * Returns standardized singular of a given singular/plural unit name (in English).
 *
 * @param string $unit
 *
 * @return string
 */
 public static function singularUnit(string $unit) : string;
 /**
 * Modify to start of current given unit.
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16.334455')
 * ->startOf('month')
 * ->endOf('week', Carbon::FRIDAY);
 * ```
 *
 * @param string $unit
 * @param array<int, mixed> $params
 *
 * @return static
 */
 public function startOf($unit, ...$params);
 /**
 * Resets the date to the first day of the century and the time to 00:00:00
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->startOfCentury();
 * ```
 *
 * @return static
 */
 public function startOfCentury();
 /**
 * Resets the time to 00:00:00 start of day
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->startOfDay();
 * ```
 *
 * @return static
 */
 public function startOfDay();
 /**
 * Resets the date to the first day of the decade and the time to 00:00:00
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->startOfDecade();
 * ```
 *
 * @return static
 */
 public function startOfDecade();
 /**
 * Modify to start of current hour, minutes and seconds become 0
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->startOfHour();
 * ```
 *
 * @return static
 */
 public function startOfHour();
 /**
 * Resets the date to the first day of the millennium and the time to 00:00:00
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->startOfMillennium();
 * ```
 *
 * @return static
 */
 public function startOfMillennium();
 /**
 * Modify to start of current minute, seconds become 0
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->startOfMinute();
 * ```
 *
 * @return static
 */
 public function startOfMinute();
 /**
 * Resets the date to the first day of the month and the time to 00:00:00
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->startOfMonth();
 * ```
 *
 * @return static
 */
 public function startOfMonth();
 /**
 * Resets the date to the first day of the quarter and the time to 00:00:00
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->startOfQuarter();
 * ```
 *
 * @return static
 */
 public function startOfQuarter();
 /**
 * Modify to start of current second, microseconds become 0
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16.334455')
 * ->startOfSecond()
 * ->format('H:i:s.u');
 * ```
 *
 * @return static
 */
 public function startOfSecond();
 /**
 * Resets the date to the first day of week (defined in $weekStartsAt) and the time to 00:00:00
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->startOfWeek() . "\n";
 * echo Carbon::parse('2018-07-25 12:45:16')->locale('ar')->startOfWeek() . "\n";
 * echo Carbon::parse('2018-07-25 12:45:16')->startOfWeek(Carbon::SUNDAY) . "\n";
 * ```
 *
 * @param int $weekStartsAt optional start allow you to specify the day of week to use to start the week
 *
 * @return static
 */
 public function startOfWeek($weekStartsAt = null);
 /**
 * Resets the date to the first day of the year and the time to 00:00:00
 *
 * @example
 * ```
 * echo Carbon::parse('2018-07-25 12:45:16')->startOfYear();
 * ```
 *
 * @return static
 */
 public function startOfYear();
 /**
 * Subtract given units or interval to the current instance.
 *
 * @example $date->sub('hour', 3)
 * @example $date->sub(15, 'days')
 * @example $date->sub(CarbonInterval::days(4))
 *
 * @param string|DateInterval|Closure|CarbonConverterInterface $unit
 * @param int $value
 * @param bool|null $overflow
 *
 * @return static
 */
 #[\ReturnTypeWillChange]
 public function sub($unit, $value = 1, $overflow = null);
 public function subRealUnit($unit, $value = 1);
 /**
 * Subtract given units to the current instance.
 *
 * @param string $unit
 * @param int $value
 * @param bool|null $overflow
 *
 * @return static
 */
 public function subUnit($unit, $value = 1, $overflow = null);
 /**
 * Subtract any unit to a new value without overflowing current other unit given.
 *
 * @param string $valueUnit unit name to modify
 * @param int $value amount to subtract to the input unit
 * @param string $overflowUnit unit name to not overflow
 *
 * @return static
 */
 public function subUnitNoOverflow($valueUnit, $value, $overflowUnit);
 /**
 * Subtract given units or interval to the current instance.
 *
 * @see sub()
 *
 * @param string|DateInterval $unit
 * @param int $value
 * @param bool|null $overflow
 *
 * @return static
 */
 public function subtract($unit, $value = 1, $overflow = null);
 /**
 * Get the difference in a human readable format in the current locale from current instance to an other
 * instance given (or now if null given).
 *
 * @return string
 */
 public function timespan($other = null, $timezone = null);
 /**
 * Set the instance's timestamp.
 *
 * Timestamp input can be given as int, float or a string containing one or more numbers.
 *
 * @param float|int|string $unixTimestamp
 *
 * @return static
 */
 public function timestamp($unixTimestamp);
 /**
 * @alias setTimezone
 *
 * @param DateTimeZone|string $value
 *
 * @return static
 */
 public function timezone($value);
 /**
 * Get the difference in a human readable format in the current locale from an other
 * instance given (or now if null given) to current instance.
 *
 * When comparing a value in the past to default now:
 * 1 hour from now
 * 5 months from now
 *
 * When comparing a value in the future to default now:
 * 1 hour ago
 * 5 months ago
 *
 * When comparing a value in the past to another value:
 * 1 hour after
 * 5 months after
 *
 * When comparing a value in the future to another value:
 * 1 hour before
 * 5 months before
 *
 * @param Carbon|\DateTimeInterface|string|array|null $other if array passed, will be used as parameters array, see $syntax below;
 * if null passed, now will be used as comparison reference;
 * if any other type, it will be converted to date and used as reference.
 * @param int|array $syntax if array passed, parameters will be extracted from it, the array may contains:
 * - 'syntax' entry (see below)
 * - 'short' entry (see below)
 * - 'parts' entry (see below)
 * - 'options' entry (see below)
 * - 'join' entry determines how to join multiple parts of the string
 * ` - if $join is a string, it's used as a joiner glue
 * ` - if $join is a callable/closure, it get the list of string and should return a string
 * ` - if $join is an array, the first item will be the default glue, and the second item
 * ` will be used instead of the glue for the last item
 * ` - if $join is true, it will be guessed from the locale ('list' translation file entry)
 * ` - if $join is missing, a space will be used as glue
 * - 'other' entry (see above)
 * if int passed, it add modifiers:
 * Possible values:
 * - CarbonInterface::DIFF_ABSOLUTE no modifiers
 * - CarbonInterface::DIFF_RELATIVE_TO_NOW add ago/from now modifier
 * - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
 * Default value: CarbonInterface::DIFF_ABSOLUTE
 * @param bool $short displays short format of time units
 * @param int $parts maximum number of parts to display (default value: 1: single unit)
 * @param int $options human diff options
 *
 * @return string
 */
 public function to($other = null, $syntax = null, $short = \false, $parts = 1, $options = null);
 /**
 * Get default array representation.
 *
 * @example
 * ```
 * var_dump(Carbon::now()->toArray());
 * ```
 *
 * @return array
 */
 public function toArray();
 /**
 * Format the instance as ATOM
 *
 * @example
 * ```
 * echo Carbon::now()->toAtomString();
 * ```
 *
 * @return string
 */
 public function toAtomString();
 /**
 * Format the instance as COOKIE
 *
 * @example
 * ```
 * echo Carbon::now()->toCookieString();
 * ```
 *
 * @return string
 */
 public function toCookieString();
 /**
 * @alias toDateTime
 *
 * Return native DateTime PHP object matching the current instance.
 *
 * @example
 * ```
 * var_dump(Carbon::now()->toDate());
 * ```
 *
 * @return DateTime
 */
 public function toDate();
 /**
 * Format the instance as date
 *
 * @example
 * ```
 * echo Carbon::now()->toDateString();
 * ```
 *
 * @return string
 */
 public function toDateString();
 /**
 * Return native DateTime PHP object matching the current instance.
 *
 * @example
 * ```
 * var_dump(Carbon::now()->toDateTime());
 * ```
 *
 * @return DateTime
 */
 public function toDateTime();
 /**
 * Return native toDateTimeImmutable PHP object matching the current instance.
 *
 * @example
 * ```
 * var_dump(Carbon::now()->toDateTimeImmutable());
 * ```
 *
 * @return DateTimeImmutable
 */
 public function toDateTimeImmutable();
 /**
 * Format the instance as date and time T-separated with no timezone
 *
 * @example
 * ```
 * echo Carbon::now()->toDateTimeLocalString();
 * echo "\n";
 * echo Carbon::now()->toDateTimeLocalString('minute'); // You can specify precision among: minute, second, millisecond and microsecond
 * ```
 *
 * @param string $unitPrecision
 *
 * @return string
 */
 public function toDateTimeLocalString($unitPrecision = 'second');
 /**
 * Format the instance as date and time
 *
 * @example
 * ```
 * echo Carbon::now()->toDateTimeString();
 * ```
 *
 * @param string $unitPrecision
 *
 * @return string
 */
 public function toDateTimeString($unitPrecision = 'second');
 /**
 * Format the instance with day, date and time
 *
 * @example
 * ```
 * echo Carbon::now()->toDayDateTimeString();
 * ```
 *
 * @return string
 */
 public function toDayDateTimeString();
 /**
 * Format the instance as a readable date
 *
 * @example
 * ```
 * echo Carbon::now()->toFormattedDateString();
 * ```
 *
 * @return string
 */
 public function toFormattedDateString();
 /**
 * Format the instance with the day, and a readable date
 *
 * @example
 * ```
 * echo Carbon::now()->toFormattedDayDateString();
 * ```
 *
 * @return string
 */
 public function toFormattedDayDateString() : string;
 /**
 * Return the ISO-8601 string (ex: 1977-04-22T06:00:00Z, if $keepOffset truthy, offset will be kept:
 * 1977-04-22T01:00:00-05:00).
 *
 * @example
 * ```
 * echo Carbon::now('America/Toronto')->toISOString() . "\n";
 * echo Carbon::now('America/Toronto')->toISOString(true) . "\n";
 * ```
 *
 * @param bool $keepOffset Pass true to keep the date offset. Else forced to UTC.
 *
 * @return null|string
 */
 public function toISOString($keepOffset = \false);
 /**
 * Return a immutable copy of the instance.
 *
 * @return CarbonImmutable
 */
 public function toImmutable();
 /**
 * Format the instance as ISO8601
 *
 * @example
 * ```
 * echo Carbon::now()->toIso8601String();
 * ```
 *
 * @return string
 */
 public function toIso8601String();
 /**
 * Convert the instance to UTC and return as Zulu ISO8601
 *
 * @example
 * ```
 * echo Carbon::now()->toIso8601ZuluString();
 * ```
 *
 * @param string $unitPrecision
 *
 * @return string
 */
 public function toIso8601ZuluString($unitPrecision = 'second');
 /**
 * Return the ISO-8601 string (ex: 1977-04-22T06:00:00Z) with UTC timezone.
 *
 * @example
 * ```
 * echo Carbon::now('America/Toronto')->toJSON();
 * ```
 *
 * @return null|string
 */
 public function toJSON();
 /**
 * Return a mutable copy of the instance.
 *
 * @return Carbon
 */
 public function toMutable();
 /**
 * Get the difference in a human readable format in the current locale from an other
 * instance given to now
 *
 * @param int|array $syntax if array passed, parameters will be extracted from it, the array may contains:
 * - 'syntax' entry (see below)
 * - 'short' entry (see below)
 * - 'parts' entry (see below)
 * - 'options' entry (see below)
 * - 'join' entry determines how to join multiple parts of the string
 * ` - if $join is a string, it's used as a joiner glue
 * ` - if $join is a callable/closure, it get the list of string and should return a string
 * ` - if $join is an array, the first item will be the default glue, and the second item
 * ` will be used instead of the glue for the last item
 * ` - if $join is true, it will be guessed from the locale ('list' translation file entry)
 * ` - if $join is missing, a space will be used as glue
 * if int passed, it add modifiers:
 * Possible values:
 * - CarbonInterface::DIFF_ABSOLUTE no modifiers
 * - CarbonInterface::DIFF_RELATIVE_TO_NOW add ago/from now modifier
 * - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
 * Default value: CarbonInterface::DIFF_ABSOLUTE
 * @param bool $short displays short format of time units
 * @param int $parts maximum number of parts to display (default value: 1: single part)
 * @param int $options human diff options
 *
 * @return string
 */
 public function toNow($syntax = null, $short = \false, $parts = 1, $options = null);
 /**
 * Get default object representation.
 *
 * @example
 * ```
 * var_dump(Carbon::now()->toObject());
 * ```
 *
 * @return object
 */
 public function toObject();
 /**
 * Create a iterable CarbonPeriod object from current date to a given end date (and optional interval).
 *
 * @param \DateTimeInterface|Carbon|CarbonImmutable|int|null $end period end date or recurrences count if int
 * @param int|\DateInterval|string|null $interval period default interval or number of the given $unit
 * @param string|null $unit if specified, $interval must be an integer
 *
 * @return CarbonPeriod
 */
 public function toPeriod($end = null, $interval = null, $unit = null);
 /**
 * Format the instance as RFC1036
 *
 * @example
 * ```
 * echo Carbon::now()->toRfc1036String();
 * ```
 *
 * @return string
 */
 public function toRfc1036String();
 /**
 * Format the instance as RFC1123
 *
 * @example
 * ```
 * echo Carbon::now()->toRfc1123String();
 * ```
 *
 * @return string
 */
 public function toRfc1123String();
 /**
 * Format the instance as RFC2822
 *
 * @example
 * ```
 * echo Carbon::now()->toRfc2822String();
 * ```
 *
 * @return string
 */
 public function toRfc2822String();
 /**
 * Format the instance as RFC3339
 *
 * @param bool $extended
 *
 * @example
 * ```
 * echo Carbon::now()->toRfc3339String() . "\n";
 * echo Carbon::now()->toRfc3339String(true) . "\n";
 * ```
 *
 * @return string
 */
 public function toRfc3339String($extended = \false);
 /**
 * Format the instance as RFC7231
 *
 * @example
 * ```
 * echo Carbon::now()->toRfc7231String();
 * ```
 *
 * @return string
 */
 public function toRfc7231String();
 /**
 * Format the instance as RFC822
 *
 * @example
 * ```
 * echo Carbon::now()->toRfc822String();
 * ```
 *
 * @return string
 */
 public function toRfc822String();
 /**
 * Format the instance as RFC850
 *
 * @example
 * ```
 * echo Carbon::now()->toRfc850String();
 * ```
 *
 * @return string
 */
 public function toRfc850String();
 /**
 * Format the instance as RSS
 *
 * @example
 * ```
 * echo Carbon::now()->toRssString();
 * ```
 *
 * @return string
 */
 public function toRssString();
 /**
 * Returns english human readable complete date string.
 *
 * @example
 * ```
 * echo Carbon::now()->toString();
 * ```
 *
 * @return string
 */
 public function toString();
 /**
 * Format the instance as time
 *
 * @example
 * ```
 * echo Carbon::now()->toTimeString();
 * ```
 *
 * @param string $unitPrecision
 *
 * @return string
 */
 public function toTimeString($unitPrecision = 'second');
 /**
 * Format the instance as W3C
 *
 * @example
 * ```
 * echo Carbon::now()->toW3cString();
 * ```
 *
 * @return string
 */
 public function toW3cString();
 /**
 * Create a Carbon instance for today.
 *
 * @param DateTimeZone|string|null $tz
 *
 * @return static
 */
 public static function today($tz = null);
 /**
 * Create a Carbon instance for tomorrow.
 *
 * @param DateTimeZone|string|null $tz
 *
 * @return static
 */
 public static function tomorrow($tz = null);
 /**
 * Translate using translation string or callback available.
 *
 * @param string $key
 * @param array $parameters
 * @param string|int|float|null $number
 * @param \Symfony\Component\Translation\TranslatorInterface|null $translator
 * @param bool $altNumbers
 *
 * @return string
 */
 public function translate(string $key, array $parameters = [], $number = null, ?TranslatorInterface $translator = null, bool $altNumbers = \false) : string;
 /**
 * Returns the alternative number for a given integer if available in the current locale.
 *
 * @param int $number
 *
 * @return string
 */
 public function translateNumber(int $number) : string;
 /**
 * Translate a time string from a locale to an other.
 *
 * @param string $timeString date/time/duration string to translate (may also contain English)
 * @param string|null $from input locale of the $timeString parameter (`Carbon::getLocale()` by default)
 * @param string|null $to output locale of the result returned (`"en"` by default)
 * @param int $mode specify what to translate with options:
 * - self::TRANSLATE_ALL (default)
 * - CarbonInterface::TRANSLATE_MONTHS
 * - CarbonInterface::TRANSLATE_DAYS
 * - CarbonInterface::TRANSLATE_UNITS
 * - CarbonInterface::TRANSLATE_MERIDIEM
 * You can use pipe to group: CarbonInterface::TRANSLATE_MONTHS | CarbonInterface::TRANSLATE_DAYS
 *
 * @return string
 */
 public static function translateTimeString($timeString, $from = null, $to = null, $mode = self::TRANSLATE_ALL);
 /**
 * Translate a time string from the current locale (`$date->locale()`) to an other.
 *
 * @param string $timeString time string to translate
 * @param string|null $to output locale of the result returned ("en" by default)
 *
 * @return string
 */
 public function translateTimeStringTo($timeString, $to = null);
 /**
 * Translate using translation string or callback available.
 *
 * @param \Symfony\Component\Translation\TranslatorInterface $translator
 * @param string $key
 * @param array $parameters
 * @param null $number
 *
 * @return string
 */
 public static function translateWith(TranslatorInterface $translator, string $key, array $parameters = [], $number = null) : string;
 /**
 * Format as ->format() do (using date replacements patterns from https://php.net/manual/en/function.date.php)
 * but translate words whenever possible (months, day names, etc.) using the current locale.
 *
 * @param string $format
 *
 * @return string
 */
 public function translatedFormat(string $format) : string;
 /**
 * Set the timezone or returns the timezone name if no arguments passed.
 *
 * @param DateTimeZone|string $value
 *
 * @return static|string
 */
 public function tz($value = null);
 /**
 * @alias getTimestamp
 *
 * Returns the UNIX timestamp for the current date.
 *
 * @return int
 */
 public function unix();
 /**
 * @alias to
 *
 * Get the difference in a human readable format in the current locale from an other
 * instance given (or now if null given) to current instance.
 *
 * @param Carbon|\DateTimeInterface|string|array|null $other if array passed, will be used as parameters array, see $syntax below;
 * if null passed, now will be used as comparison reference;
 * if any other type, it will be converted to date and used as reference.
 * @param int|array $syntax if array passed, parameters will be extracted from it, the array may contains:
 * - 'syntax' entry (see below)
 * - 'short' entry (see below)
 * - 'parts' entry (see below)
 * - 'options' entry (see below)
 * - 'join' entry determines how to join multiple parts of the string
 * ` - if $join is a string, it's used as a joiner glue
 * ` - if $join is a callable/closure, it get the list of string and should return a string
 * ` - if $join is an array, the first item will be the default glue, and the second item
 * ` will be used instead of the glue for the last item
 * ` - if $join is true, it will be guessed from the locale ('list' translation file entry)
 * ` - if $join is missing, a space will be used as glue
 * - 'other' entry (see above)
 * if int passed, it add modifiers:
 * Possible values:
 * - CarbonInterface::DIFF_ABSOLUTE no modifiers
 * - CarbonInterface::DIFF_RELATIVE_TO_NOW add ago/from now modifier
 * - CarbonInterface::DIFF_RELATIVE_TO_OTHER add before/after modifier
 * Default value: CarbonInterface::DIFF_ABSOLUTE
 * @param bool $short displays short format of time units
 * @param int $parts maximum number of parts to display (default value: 1: single unit)
 * @param int $options human diff options
 *
 * @return string
 */
 public function until($other = null, $syntax = null, $short = \false, $parts = 1, $options = null);
 /**
 * @deprecated To avoid conflict between different third-party libraries, static setters should not be used.
 * You should rather use the ->settings() method.
 * Or you can use method variants: addMonthsWithOverflow/addMonthsNoOverflow, same variants
 * are available for quarters, years, decade, centuries, millennia (singular and plural forms).
 * @see settings
 *
 * Indicates if months should be calculated with overflow.
 *
 * @param bool $monthsOverflow
 *
 * @return void
 */
 public static function useMonthsOverflow($monthsOverflow = \true);
 /**
 * @deprecated To avoid conflict between different third-party libraries, static setters should not be used.
 * You should rather use the ->settings() method.
 * @see settings
 *
 * Enable the strict mode (or disable with passing false).
 *
 * @param bool $strictModeEnabled
 */
 public static function useStrictMode($strictModeEnabled = \true);
 /**
 * @deprecated To avoid conflict between different third-party libraries, static setters should not be used.
 * You should rather use the ->settings() method.
 * Or you can use method variants: addYearsWithOverflow/addYearsNoOverflow, same variants
 * are available for quarters, years, decade, centuries, millennia (singular and plural forms).
 * @see settings
 *
 * Indicates if years should be calculated with overflow.
 *
 * @param bool $yearsOverflow
 *
 * @return void
 */
 public static function useYearsOverflow($yearsOverflow = \true);
 /**
 * Set the instance's timezone to UTC.
 *
 * @return static
 */
 public function utc();
 /**
 * Returns the minutes offset to UTC if no arguments passed, else set the timezone with given minutes shift passed.
 *
 * @param int|null $minuteOffset
 *
 * @return int|static
 */
 public function utcOffset(?int $minuteOffset = null);
 /**
 * Returns the milliseconds timestamps used amongst other by Date javascript objects.
 *
 * @return float
 */
 public function valueOf();
 /**
 * Get/set the week number using given first day of week and first
 * day of year included in the first week. Or use US format if no settings
 * given (Sunday / Jan 6).
 *
 * @param int|null $week
 * @param int|null $dayOfWeek
 * @param int|null $dayOfYear
 *
 * @return int|static
 */
 public function week($week = null, $dayOfWeek = null, $dayOfYear = null);
 /**
 * Set/get the week number of year using given first day of week and first
 * day of year included in the first week. Or use US format if no settings
 * given (Sunday / Jan 6).
 *
 * @param int|null $year if null, act as a getter, if not null, set the year and return current instance.
 * @param int|null $dayOfWeek first date of week from 0 (Sunday) to 6 (Saturday)
 * @param int|null $dayOfYear first day of year included in the week #1
 *
 * @return int|static
 */
 public function weekYear($year = null, $dayOfWeek = null, $dayOfYear = null);
 /**
 * Get/set the weekday from 0 (Sunday) to 6 (Saturday).
 *
 * @param int|null $value new value for weekday if using as setter.
 *
 * @return static|int
 */
 public function weekday($value = null);
 /**
 * Get the number of weeks of the current week-year using given first day of week and first
 * day of year included in the first week. Or use US format if no settings
 * given (Sunday / Jan 6).
 *
 * @param int|null $dayOfWeek first date of week from 0 (Sunday) to 6 (Saturday)
 * @param int|null $dayOfYear first day of year included in the week #1
 *
 * @return int
 */
 public function weeksInYear($dayOfWeek = null, $dayOfYear = null);
 /**
 * Temporarily sets a static date to be used within the callback.
 * Using setTestNow to set the date, executing the callback, then
 * clearing the test instance.
 *
 * /!\ Use this method for unit tests only.
 *
 * @template T
 *
 * @param DateTimeInterface|Closure|static|string|false|null $testNow real or mock Carbon instance
 * @param Closure(): T $callback
 *
 * @return T
 */
 public static function withTestNow($testNow, $callback);
 /**
 * Create a Carbon instance for yesterday.
 *
 * @param DateTimeZone|string|null $tz
 *
 * @return static
 */
 public static function yesterday($tz = null);
 // </methods>
}

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