import { DateTime, DateTimeLike } from "./datetime.js";
import { Duration, DurationLike } from "./duration.js";
import { ToISOTimeOptions, DateTimeOptions } from "./types/datetime.js";
import { DurationUnit, DurationOptions } from "./types/duration.js";
import { IntervalObject } from "./types/interval.js";
import { Invalid } from "./types/invalid.js";
import { LocaleOptions } from "./types/locale.js";
/**
 * An Interval object represents a half-open interval of time, where each endpoint is a {@link DateTime}. Conceptually, it's a container for those two endpoints, accompanied by methods for creating, parsing, interrogating, comparing, transforming, and formatting them.
 *
 * Here is a brief overview of the most commonly used methods and getters in Interval:
 *
 * * **Creation** To create an Interval, use {@link Interval.fromDateTimes}, {@link Interval.after}, {@link Interval.before}, or {@link Interval.fromISO}.
 * * **Accessors** Use {@link Interval#start} and {@link Interval#end} to get the start and end.
 * * **Interrogation** To analyze the Interval, use {@link Interval#count}, {@link Interval#length}, {@link Interval#hasSame}, {@link Interval#contains}, {@link Interval#isAfter}, or {@link Interval#isBefore}.
 * * **Transformation** To create other Intervals out of this one, use {@link Interval#set}, {@link Interval#splitAt}, {@link Interval#splitBy}, {@link Interval#divideEqually}, {@link Interval.merge}, {@link Interval.xor}, {@link Interval#union}, {@link Interval#intersection}, or {@link Interval#difference}.
 * * **Comparison** To compare this Interval to another one, use {@link Interval#equals}, {@link Interval#overlaps}, {@link Interval#abutsStart}, {@link Interval#abutsEnd}, {@link Interval#engulfs}
 * * **Output** To convert the Interval into other representations, see {@link Interval#toString}, {@link Interval#toLocaleString}, {@link Interval#toISO}, {@link Interval#toISODate}, {@link Interval#toISOTime}, {@link Interval#toFormat}, and {@link Interval#toDuration}.
 */
export declare class Interval {
    /**
     * Returns the end of the Interval.
     * This is the first instant that is not part of the interval (Interval is half-open).
     */
    get end(): DateTime | null;
    /**
     * Returns an error code if this Interval is invalid, or null if the Interval is valid
     */
    get invalidReason(): string | null;
    /**
     * Returns whether this Interval's end is at least its start, meaning that the Interval isn't 'backwards'.
     */
    get isValid(): boolean;
    /**
     * Returns the last DateTime included in the interval (since end is not part of the interval)
     * @type {DateTime}
     */
    get lastDateTime(): DateTime | null;
    /**
     * Returns the start of the Interval
     */
    get start(): DateTime | null;
    private readonly _e;
    private readonly _invalid;
    private readonly _isLuxonInterval;
    private readonly _s;
    /**
     * @private
     */
    private constructor();
    /**
     * Create an Interval from a start DateTime and a Duration to extend to.
     * @param {DateTime|Date|Object} start
     * @param {Duration|Object} duration - the length of the Interval, as a Duration object.
     */
    static after(start: DateTimeLike, duration: DurationLike): Interval;
    /**
     * Create an Interval from an end DateTime and a Duration to extend backwards to.
     * @param {DateTime|Date|Object} end
     * @param {Duration|Object} duration - the length of the Interval, as a Duration object.
     */
    static before(end: DateTimeLike, duration: DurationLike): Interval;
    /**
     * Create an Interval from a start DateTime and an end DateTime. Inclusive of the start but not the end.
     * @param {DateTime|Date|Object} start
     * @param {DateTime|Date|Object} end
     */
    static fromDateTimes(start: DateTimeLike, end: DateTimeLike): Interval;
    /**
     * Create an Interval from an ISO 8601 string.
     * Accepts `<start>/<end>`, `<start>/<duration>`, and `<duration>/<end>` formats.
     * @param {string} text - the ISO string to parse
     * @param {Object} [opts] - options to pass {@link DateTime.fromISO} and optionally {@link Duration.fromISO}
     * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals
     */
    static fromISO(text: string, opts?: DateTimeOptions): Interval;
    /**
     * Create an invalid Interval.
     * @param {string} reason - simple string of why this Interval is invalid. Should not contain parameters or anything else data-dependent
     * @param {string} [explanation=null] - longer explanation, may include parameters and other useful debugging information
     */
    static invalid(reason: string | Invalid, explanation?: string): Interval;
    /**
     * Check if an object is an Interval. Works across context boundaries
     * @param {Object} o
     */
    static isInterval(o: unknown): o is Interval;
    /**
     * Merge an array of Intervals into an equivalent minimal set of Intervals.
     * Combines overlapping and adjacent Intervals.
     * The resulting array will contain the Intervals in ascending order, that is, starting with the earliest Interval
     * and ending with the latest.
     * @param {Interval[]} intervals
     */
    static merge(intervals: Interval[]): Interval[];
    /**
     * Return an array of Intervals representing the spans of time that only appear in one of the specified Intervals.
     * @param {Interval[]} intervals
     * @return {Interval[]}
     */
    static xor(intervals: Interval[]): Interval[];
    /**
     * Return whether this Interval's start is adjacent to the specified Interval's end.
     * @param {Interval} other
     * @return {boolean}
     */
    abutsEnd(other: Interval): boolean;
    /**
     * Return whether this Interval's end is adjacent to the specified Interval's start.
     * @param {Interval} other
     * @return {boolean}
     */
    abutsStart(other: Interval): boolean;
    /**
     * Return whether this Interval contains the specified DateTime.
     * @param {DateTime} dateTime
     * @return {boolean}
     */
    contains(dateTime: DateTime): boolean;
    /**
     * Returns the count of minutes, hours, days, months, or years included in the Interval, even in part.
     * Unlike {@link Interval#length} this counts sections of the calendar, not periods of time, e.g. specifying 'day'
     * asks 'what dates are included in this interval?', not 'how many days long is this interval?'
     * @param {string} [unit='milliseconds'] - the unit of time to count.
     * @param {Object} opts - options
     */
    count(unit?: DurationUnit, opts?: {
        useLocaleWeeks?: boolean;
    }): number;
    /**
     * Returns Intervals representing the span(s) of time in this Interval that don't overlap with any of the specified Intervals.
     * @param {...Interval} intervals
     * @return {Interval[]}
     */
    difference(...intervals: Interval[]): Interval[];
    /**
     * Split this Interval into the specified number of smaller intervals.
     * @param {number} numberOfParts - The number of Intervals to divide the Interval into.
     * @return {Interval[]}
     */
    divideEqually(numberOfParts: number): Interval[];
    /**
     * Returns true if this Interval fully contains the specified Interval,
     * specifically if the intersection (of this Interval and the other Interval) is equal to the other Interval;
     * false otherwise.
     * @param {Interval} other
     * @return {boolean}
     */
    engulfs(other: Interval): boolean;
    /**
     * Return whether this Interval has the same start and end as the specified Interval.
     * @param {Interval} other
     * @return {boolean}
     */
    equals(other: Interval): boolean;
    /**
     * Returns whether this Interval's start and end are both in the same unit of time
     * @param {string} unit - the unit of time to check sameness on
     * @return {boolean}
     */
    hasSame(unit: DurationUnit): boolean;
    /**
     * Return an Interval representing the intersection of this Interval and the specified Interval.
     * Specifically, the resulting Interval has the maximum start time and the minimum end time of the two Intervals.
     * Returns null if the intersection is empty, meaning, the intervals don't intersect.
     * @param {Interval} other
     * @return {Interval|null}
     */
    intersection(other: Interval): Interval;
    /**
     * Return whether this Interval's start is after the specified DateTime.
     * @param {DateTime} dateTime
     * @return {boolean}
     */
    isAfter(dateTime: DateTime): boolean;
    /**
     * Return whether this Interval's end is before the specified DateTime.
     * @param {DateTime} dateTime
     * @return {boolean}
     */
    isBefore(dateTime: DateTime): boolean;
    /**
     * Return whether this Interval has the same start and end DateTimes.
     * @return {boolean}
     */
    isEmpty(): boolean;
    /**
     * Returns the length of the Interval in the specified unit.
     * @param {string} [unit='milliseconds'] - the unit (such as 'hours' or 'days') to return the length in.
     */
    length(unit?: DurationUnit): number;
    /**
     * Run mapFn on the interval start and end, returning a new Interval from the resulting DateTimes
     * @param {function} mapFn
     * @return {Interval}
     * @example Interval.fromDateTimes(dt1, dt2).mapEndpoints(endpoint => endpoint.toUTC())
     * @example Interval.fromDateTimes(dt1, dt2).mapEndpoints(endpoint => endpoint.plus({ hours: 2 }))
     */
    mapEndpoints(mapFn: (dt: DateTime) => DateTime): Interval;
    /**
     * Return whether this Interval overlaps with the specified Interval
     * @param {Interval} other
     * @return {boolean}
     */
    overlaps(other: Interval): boolean;
    /**
     * "Sets" the start and/or end dates. Returns a newly-constructed Interval.
     * @param {Object} values - the values to set
     * @param {DateTime} values.start - the starting DateTime
     * @param {DateTime} values.end - the ending DateTime
     * @return {Interval}
     */
    set({ start, end }?: IntervalObject): Interval;
    /**
     * Split this Interval at each of the specified DateTimes
     * @param {...[DateTime]} dateTimes - the unit of time to count.
     * @return {Interval[]}
     */
    splitAt(...dateTimes: DateTimeLike[]): Interval[];
    /**
     * Split this Interval into smaller Intervals, each of the specified length.
     * Left over time is grouped into a smaller interval
     * @param {Duration|Object} duration - The length of each resulting interval, as a Duration object.
     * @return {Interval[]}
     */
    splitBy(duration: DurationLike): Interval[];
    /**
     * Return a Duration representing the time spanned by this interval.
     * @param {string|string[]} [unit=['milliseconds']] - the unit or units (such as 'hours' or 'days') to include in the duration.
     * @param {Object} opts - options that affect the creation of the Duration
     * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use
     * @example Interval.fromDateTimes(dt1, dt2).toDuration().toObject() //=> { milliseconds: 88489257 }
     * @example Interval.fromDateTimes(dt1, dt2).toDuration('days').toObject() //=> { days: 1.0241812152777778 }
     * @example Interval.fromDateTimes(dt1, dt2).toDuration(['hours', 'minutes']).toObject() //=> { hours: 24, minutes: 34.82095 }
     * @example Interval.fromDateTimes(dt1, dt2).toDuration(['hours', 'minutes', 'seconds']).toObject() //=> { hours: 24, minutes: 34, seconds: 49.257 }
     * @example Interval.fromDateTimes(dt1, dt2).toDuration('seconds').toObject() //=> { seconds: 88489.257 }
     * @return {Duration}
     */
    toDuration(unit?: DurationUnit | DurationUnit[], opts?: DurationOptions): Duration;
    /**
     * Returns a string representation of this Interval formatted according to the specified format
     * string. **You may not want this.** See {@link Interval#toLocaleString} for a more flexible
     * formatting tool.
     * @param {string} dateFormat - The format string. This string formats the start and end time.
     * See {@link DateTime#toFormat} for details.
     * @param {Object} opts - Options.
     * @param {string} [opts.separator =  ' – '] - A separator to place between the start and end
     * representations.
     * @return {string}
     */
    toFormat(dateFormat: string, { separator }?: {
        separator?: string;
    }): string;
    /**
     * Returns an ISO 8601-compliant string representation of this Interval.
     * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals
     * @param {Object} options - The same options as {@link DateTime#toISO}
     * @return {string}
     */
    toISO(options?: ToISOTimeOptions): string;
    /**
     * Returns an ISO 8601-compliant string representation of date of this Interval.
     * The time components are ignored.
     * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals
     * @return {string}
     */
    toISODate(): string;
    /**
     * Returns an ISO 8601-compliant string representation of time of this Interval.
     * The date components are ignored.
     * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals
     * @param {Object} options - The same options as {@link DateTime#toISO}
     * @return {string}
     *
     */
    toISOTime(options?: ToISOTimeOptions): string;
    /**
     * Returns a localized string representing this Interval. Accepts the same options as the
     * Intl.DateTimeFormat constructor and any presets defined by Luxon, such as
     * {@link DateTime.DATE_FULL} or {@link DateTime.TIME_SIMPLE}. The exact behavior of this method
     * is browser-specific, but in general it will return an appropriate representation of the
     * Interval in the assigned locale. Defaults to the system's locale if no locale has been
     * specified.
     * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DateTimeFormat
     * @param {Object} [formatOpts=DateTime.DATE_SHORT] - Either a DateTime preset or
     * Intl.DateTimeFormat constructor options.
     * @param {Object} opts - Options to override the configuration of the start DateTime.
     * @example Interval.fromISO('2022-11-07T09:00Z/2022-11-08T09:00Z').toLocaleString(); //=> 11/7/2022 – 11/8/2022
     * @example Interval.fromISO('2022-11-07T09:00Z/2022-11-08T09:00Z').toLocaleString(DateTime.DATE_FULL); //=> November 7 – 8, 2022
     * @example Interval.fromISO('2022-11-07T09:00Z/2022-11-08T09:00Z').toLocaleString(DateTime.DATE_FULL, { locale: 'fr-FR' }); //=> 7–8 novembre 2022
     * @example Interval.fromISO('2022-11-07T17:00Z/2022-11-07T19:00Z').toLocaleString(DateTime.TIME_SIMPLE); //=> 6:00 – 8:00 PM
     * @example Interval.fromISO('2022-11-07T17:00Z/2022-11-07T19:00Z').toLocaleString({ weekday: 'short', month: 'short', day: '2-digit', hour: '2-digit', minute: '2-digit' }); //=> Mon, Nov 07, 6:00 – 8:00 p
     * @return {string}
     */
    toLocaleString(formatOpts?: Intl.DateTimeFormatOptions & LocaleOptions, opts?: {}): string;
    /**
     * Returns a string representation of this Interval appropriate for debugging.
     * @return {string}
     */
    toString(): string;
    /**
     * Return an Interval representing the union of this Interval and the specified Interval.
     * Specifically, the resulting Interval has the minimum start time and the maximum end time of the two Intervals.
     * @param {Interval} other
     * @return {Interval}
     */
    union(other: Interval): Interval;
}
export default Interval;