/**
 * Format a {@linkcode Duration} as a [`string`](https://developer.mozilla.org/en-US/docs/Glossary/String).
 *
 * @example Basic Usage
 * ```ts
 * import { formatDuration } from "@samual/duration/formatDuration"
 *
 * console.log(formatDuration({ years: 54, days: 349, hours: 11 })) // "54 years, 349 days, 11 hours"
 * ```
 *
 * @module
 */
import type { LaxPartial } from "@samual/types";
import { DurationError } from "./DurationError";
import type { Duration } from "./default";
/**
 * Error that can be thrown by {@linkcode formatDuration()}.
 *
 * @example Basic Usage
 * ```ts
 * import { formatDuration, FormatDurationError } from "@samual/duration"
 *
 * try {
 * 	return formatDuration(duration)
 * } catch (error) {
 * 	if (error instanceof FormatDurationError) {
 * 		// ...
 * 	} else
 * 		throw error
 * }
 * ```
 */
export declare class FormatDurationError extends DurationError {
}
/**
 * Error that can be thrown by {@linkcode formatDuration()} for trying to format an empty duration.
 *
 * @example Basic Usage
 * ```ts
 * import { formatDuration, FormatEmptyDurationError } from "@samual/duration"
 *
 * try {
 * 	return formatDuration(duration)
 * } catch (error) {
 * 	if (error instanceof FormatEmptyDurationError) {
 * 		// ...
 * 	} else
 * 		throw error
 * }
 * ```
 */
export declare class FormatEmptyDurationError extends FormatDurationError {
}
/**
 * Error that can be thrown by {@linkcode formatDuration()} for trying to format non-integers.
 *
 * @example Basic Usage
 * ```ts
 * import { formatDuration, FormatNonIntegerDurationError } from "@samual/duration"
 *
 * try {
 * 	return formatDuration(duration)
 * } catch (error) {
 * 	if (error instanceof FormatNonIntegerDurationError) {
 * 		// ...
 * 	} else
 * 		throw error
 * }
 * ```
 */
export declare class FormatNonIntegerDurationError extends FormatDurationError {
}
/**
 * Error that can be thrown by {@linkcode formatDuration()} for trying to pass invalid {@link FormatDurationOptions options}.
 */
export declare class FormatDurationOptionError extends FormatDurationError {
}
/**
 * Available options for configuring {@linkcode formatDuration()}.
 *
 * @example Basic Usage
 * ```ts
 * import { formatDuration, type Duration, type FormatDurationOptions } from "@samual/duration"
 *
 * let duration: Duration = { years: 54, days: 349, hours: 11, minutes: 47, seconds: 14, milliseconds: 227 }
 *
 * let options: FormatDurationOptions = {
 * 	hideZero: true,
 * 	maxEntries: 3,
 * 	noSpaceBeforeUnit: true,
 * 	yearUnitNameSingular: `y`,
 * 	yearUnitNamePlural: `y`,
 * 	dayUnitNameSingular: `d`,
 * 	dayUnitNamePlural: `d`,
 * 	hourUnitNameSingular: `h`,
 * 	hourUnitNamePlural: `h`,
 * 	minuteUnitNameSingular: `m`,
 * 	minuteUnitNamePlural: `m`,
 * 	secondUnitNameSingular: `s`,
 * 	secondUnitNamePlural: `s`,
 * 	millisecondUnitNameSingular: `ms`,
 * 	millisecondUnitNamePlural: `ms`
 * }
 *
 * console.log(formatDuration(duration, options)) // "54y, 349d, 11h"
 * ```
 */
export type FormatDurationOptions = LaxPartial<{
    /**
     * When set to `true`, skips formatting entries that are `0`, as if they were set to
     * [`undefined`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/undefined).
     * Or if set to `"leading"`, only skips formatting leading entries that are `0`, as if they were set to `undefined`.
     *
     * @default false
     *
     * @example Basic Usage
     * ```ts
     * import { formatDuration, type Duration, type FormatDurationOptions } from "@samual/duration"
     *
     * let duration: Duration = { years: 0, days: 1, hours: 0, minutes: 30 }
     *
     * console.log(formatDuration(duration)) // "0 years, 1 day, 0 hours, 30 minutes"
     * console.log(formatDuration(duration, { hideZero: true })) // "1 day, 30 minutes"
     * console.log(formatDuration(duration, { hideZero: "leading" })) // "1 day, 0 hours, 30 minutes"
     * ```
     */
    hideZero: boolean | `leading`;
    /**
     * The maximum number of entries to format or has no affect when set to
     * [`undefined`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/undefined).
     * @default undefined
     *
     * @example Basic Usage
     * ```ts
     * import { formatDuration, type Duration, type FormatDurationOptions } from "@samual/duration"
     *
     * let duration: Duration = { years: 1, days: 2, hours: 3, minutes: 4 }
     *
     * console.log(formatDuration(duration)) // "1 year, 2 days, 3 hours, 4 minutes"
     * console.log(formatDuration(duration, { maxEntries: 3 })) // "1 year, 2 days, 3 hours"
     * ```
     */
    maxEntries: number;
    /**
     * When `false`, a space will be inserted before the unit otherwise won't.
     * @default false
     *
     * @example Basic Usage
     * ```ts
     * import { formatDuration, type Duration, type FormatDurationOptions } from "@samual/duration"
     *
     * let duration: Duration = { milliseconds: 500 }
     *
     * console.log(formatDuration(duration, { millisecondUnitNamePlural: "ms" })) // "500 ms"
     * console.log(formatDuration(duration, { millisecondUnitNamePlural: "ms", noSpaceBeforeUnit: true })) // "500ms"
     * ```
     */
    noSpaceBeforeUnit: boolean;
    /**
     * The string used to seperate each entry in the formatted duration.
     * @default ", "
     *
     * @example Basic Usage
     * import { formatDuration, type Duration, type FormatDurationOptions } from "@samual/duration"
     *
     * let duration: Duration = { days: 1, hours: 12, minutes: 30 }
     *
     * let options: FormatDurationOptions = {
     * 	noSpaceBeforeUnit: true,
     * 	dayUnitNameSingular: `d`,
     * 	dayUnitNamePlural: `d`,
     * 	hourUnitNameSingular: `h`,
     * 	hourUnitNamePlural: `h`,
     * 	minuteUnitNameSingular: `m`,
     * 	minuteUnitNamePlural: `m`
     * }
     *
     * console.log(formatDuration(duration, options)) // "1d, 12h, 30m"
     * console.log(formatDuration(duration, { ...options, separator: " " })) // "1d 12h 30m"
     */
    separator: string;
    /**
     * Override the name of the {@linkcode Duration.years} unit.
     * @default "year"
     *
     * @example Basic Usage
     * ```ts
     * import { formatDuration, type Duration, type FormatDurationOptions } from "@samual/duration"
     *
     * let duration: Duration = { years: 1 }
     *
     * console.log(formatDuration(duration)) // "1 year"
     * console.log(formatDuration(duration, { yearUnitNameSingular: "y" })) // "1 y"
     * ```
     */
    yearUnitNameSingular: string;
    /**
     * Override the plural of the {@linkcode Duration.years} unit.
     * @default "years"
     *
     * @example Basic Usage
     * ```ts
     * import { formatDuration, type Duration, type FormatDurationOptions } from "@samual/duration"
     *
     * let duration: Duration = { years: 2 }
     *
     * console.log(formatDuration(duration)) // "2 years"
     * console.log(formatDuration(duration, { yearUnitNamePlural: "y" })) // "2 y"
     * ```
     */
    yearUnitNamePlural: string;
    /**
     * Override the name of the {@linkcode Duration.days} unit.
     * @default "day"
     *
     * @example Basic Usage
     * ```ts
     * import { formatDuration, type Duration, type FormatDurationOptions } from "@samual/duration"
     *
     * let duration: Duration = { days: 1 }
     *
     * console.log(formatDuration(duration)) // "1 days"
     * console.log(formatDuration(duration, { dayUnitNameSingular: "d" })) // "1 d"
     * ```
     */
    dayUnitNameSingular: string;
    /**
     * Override the plural of the {@linkcode Duration.days} unit.
     * @default "days"
     *
     * @example Basic Usage
     * ```ts
     * import { formatDuration, type Duration, type FormatDurationOptions } from "@samual/duration"
     *
     * let duration: Duration = { days: 2 }
     *
     * console.log(formatDuration(duration)) // "2 days"
     * console.log(formatDuration(duration, { dayUnitNamePlural: "d" })) // "2 d"
     * ```
     */
    dayUnitNamePlural: string;
    /**
     * Override the name of the {@linkcode Duration.hours} unit.
     * @default "hour"
     *
     * @example Basic Usage
     * ```ts
     * import { formatDuration, type Duration, type FormatDurationOptions } from "@samual/duration"
     *
     * let duration: Duration = { hours: 1 }
     *
     * console.log(formatDuration(duration)) // "1 hour"
     * console.log(formatDuration(duration, { hourUnitNameSingular: "h" })) // "1 h"
     */
    hourUnitNameSingular: string;
    /**
     * Override the plural of the {@linkcode Duration.hours} unit.
     * @default "hours"
     *
     * @example Basic Usage
     * ```ts
     * import { formatDuration, type Duration, type FormatDurationOptions } from "@samual/duration"
     *
     * let duration: Duration = { hours: 2 }
     *
     * console.log(formatDuration(duration)) // "2 hours"
     * console.log(formatDuration(duration, { hourUnitNamePlural: "h" })) // "2 h"
     * ```
     */
    hourUnitNamePlural: string;
    /**
     * Override the name of the {@linkcode Duration.minutes} unit.
     * @default "minute"
     *
     * @example Basic Usage
     * ```ts
     * import { formatDuration, type Duration, type FormatDurationOptions } from "@samual/duration"
     *
     * let duration: Duration = { minutes: 1 }
     *
     * console.log(formatDuration(duration)) // "1 minute"
     * console.log(formatDuration(duration, { minuteUnitNameSingular: "m" })) // "1 m"
     */
    minuteUnitNameSingular: string;
    /**
     * Override the plural of the {@linkcode Duration.minutes} unit.
     * @default "minutes"
     *
     * @example Basic Usage
     * ```ts
     * import { formatDuration, type Duration, type FormatDurationOptions } from "@samual/duration"
     *
     * let duration: Duration = { minutes: 2 }
     *
     * console.log(formatDuration(duration)) // "2 minutes"
     * console.log(formatDuration(duration, { minuteUnitNamePlural: "m" })) // "2 m"
     * ```
     */
    minuteUnitNamePlural: string;
    /**
     * Override the name of the {@linkcode Duration.seconds} unit.
     * @default "second"
     *
     * @example Basic Usage
     * ```ts
     * import { formatDuration, type Duration, type FormatDurationOptions } from "@samual/duration"
     *
     * let duration: Duration = { seconds: 1 }
     *
     * console.log(formatDuration(duration)) // "1 second"
     * console.log(formatDuration(duration, { secondUnitNameSingular: "s" })) // "1 s"
     */
    secondUnitNameSingular: string;
    /**
     * Override the plural of the {@linkcode Duration.seconds} unit.
     * @default "seconds"
     *
     * @example Basic Usage
     * ```ts
     * import { formatDuration, type Duration, type FormatDurationOptions } from "@samual/duration"
     *
     * let duration: Duration = { seconds: 2 }
     *
     * console.log(formatDuration(duration)) // "2 seconds"
     * console.log(formatDuration(duration, { secondUnitNamePlural: "s" })) // "2 s"
     * ```
     */
    secondUnitNamePlural: string;
    /**
     * Override the name of the {@linkcode Duration.milliseconds} unit.
     * @default "millisecond"
     *
     * @example Basic Usage
     * ```ts
     * import { formatDuration, type Duration, type FormatDurationOptions } from "@samual/duration"
     *
     * let duration: Duration = { milliseconds: 1 }
     *
     * console.log(formatDuration(duration)) // "1 millisecond"
     * console.log(formatDuration(duration, { millisecondUnitNameSingular: "ms" })) // "1 ms"
     */
    millisecondUnitNameSingular: string;
    /**
     * Override the plural of the {@linkcode Duration.milliseconds} unit.
     * @default "milliseconds"
     *
     * @example Basic Usage
     * ```ts
     * import { formatDuration, type Duration, type FormatDurationOptions } from "@samual/duration"
     *
     * let duration: Duration = { milliseconds: 2 }
     *
     * console.log(formatDuration(duration)) // "2 milliseconds"
     * console.log(formatDuration(duration, { millisecondUnitNamePlural: "ms" })) // "2 ms"
     * ```
     */
    millisecondUnitNamePlural: string;
}>;
/**
 * Format a {@linkcode Duration} as a [`string`](https://developer.mozilla.org/en-US/docs/Glossary/String).
 *
 * @param duration The {@linkcode Duration} to be formatted.
 * @param options The {@linkcode FormatDurationOptions} used to confure how duration gets formatted.
 * @returns Formatted duration as a [`string`](https://developer.mozilla.org/en-US/docs/Glossary/String).
 * @throws Any {@linkcode FormatDurationError}.
 * @throws A {@linkcode FormatEmptyDurationError} when given empty duration.
 * @throws A {@linkcode FormatNonIntegerDurationError} when given duration with numbers that aren't integers.
 *
 * @example Basic Usage
 * ```ts
 * import { formatDuration } from "@samual/duration/formatDuration"
 *
 * console.log(formatDuration({ years: 54, days: 349, hours: 11 })) // "54 years, 349 days, 11 hours"
 * ```
 */
export declare const formatDuration: (duration: Duration, options?: FormatDurationOptions) => string;