/**
 * Represents immutable spans of time.
 *
 * A `Duration` can be finite, positive infinity, or negative infinity. It is
 * the standard representation for delays, timeouts, intervals, and
 * time-to-live values across Effect APIs. This module includes constructors
 * from common input shapes, unit conversions, comparisons, arithmetic,
 * formatting, and reusable reducer or combiner helpers.
 *
 * @stability stable
 * @since 2.0.0
 */
import * as Combiner from "./Combiner.ts";
import * as Equal from "./Equal.ts";
import type * as Equ from "./Equivalence.ts";
import type * as Inspectable from "./Inspectable.ts";
import * as Option from "./Option.ts";
import * as order from "./Order.ts";
import type { Pipeable } from "./Pipeable.ts";
import * as Reducer from "./Reducer.ts";
declare const TypeId = "~effect/Duration";
/**
 * Represents a span of time with high precision, supporting operations from
 * nanoseconds to weeks.
 *
 * **When to use**
 *
 * Use to model elapsed time, delays, timeouts, schedule intervals, and cache
 * TTLs as immutable duration values.
 *
 * @see {@link Input} for values accepted by APIs that decode duration-like
 * inputs
 * @see {@link DurationValue} for the tagged representation exposed by the
 * `value` field
 *
 * @stability stable
 * @category models
 * @since 2.0.0
 */
export interface Duration extends Equal.Equal, Pipeable, Inspectable.Inspectable {
    readonly [TypeId]: typeof TypeId;
    readonly value: DurationValue;
}
/**
 * Tagged representation of a `Duration` value.
 *
 * **When to use**
 *
 * Use when modeling or inspecting the exact tagged representation stored in a
 * `Duration`, including finite millisecond or nanosecond values and infinite
 * sentinels.
 *
 * **Details**
 *
 * A duration is represented as milliseconds, nanoseconds, positive infinity,
 * or negative infinity.
 *
 * @see {@link Duration} for the public type whose `value` field contains this
 * representation
 * @see {@link match} for pattern matching without reading `value` directly
 *
 * @stability stable
 * @category models
 * @since 2.0.0
 */
export type DurationValue = {
    _tag: "Millis";
    millis: number;
} | {
    _tag: "Nanos";
    nanos: bigint;
} | {
    _tag: "Infinity";
} | {
    _tag: "NegativeInfinity";
};
/**
 * Valid time units that can be used in duration string representations.
 *
 * **When to use**
 *
 * Use when typing the unit portion of duration string inputs accepted by
 * `Duration.Input`.
 *
 * @see {@link Input} for the full duration input union
 *
 * @stability stable
 * @category models
 * @since 2.0.0
 */
export type Unit = "nano" | "nanos" | "micro" | "micros" | "milli" | "millis" | "second" | "seconds" | "minute" | "minutes" | "hour" | "hours" | "day" | "days" | "week" | "weeks";
/**
 * Valid input types that can be converted to a Duration.
 *
 * **When to use**
 *
 * Use when an API should accept any value that Effect can convert into a
 * `Duration`, including existing durations, millisecond numbers, nanosecond
 * bigints, high-resolution tuples, duration strings, infinity strings, or
 * duration objects.
 *
 * **Details**
 *
 * String inputs accept values like `"10 seconds"`, `"500 millis"`,
 * `"Infinity"`, and `"-Infinity"`. Finite fractional values that are
 * normalized to nanoseconds are rounded to the nearest nanosecond, with ties
 * away from zero.
 *
 * @see {@link fromInput} for safe conversion to `Option`
 * @see {@link fromInputUnsafe} for throwing conversion
 * @see {@link DurationObject} for object-shaped duration input
 * @see {@link Unit} for supported string units
 *
 * @stability stable
 * @category models
 * @since 4.0.0
 */
export type Input = Duration | number | bigint | readonly [seconds: number, nanos: number] | `${number} ${Unit}` | "Infinity" | "-Infinity" | DurationObject;
/**
 * An object with optional duration components that can be combined to create
 * a Duration. All fields are optional and additive.
 *
 * **Details**
 *
 * Compatible with Temporal.Duration-like objects.
 *
 * **Example** (Combining duration object fields)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.fromInputUnsafe({ seconds: 30 }) // => Duration.seconds(30)
 * Duration.fromInputUnsafe({ days: 1 }) // => Duration.days(1)
 * Duration.fromInputUnsafe({ seconds: 1, nanoseconds: 500 }) // => Duration.nanos(1_000_000_500n)
 * ```
 *
 * @stability stable
 * @category models
 * @since 4.0.0
 */
export interface DurationObject {
    readonly weeks?: number | undefined;
    readonly days?: number | undefined;
    readonly hours?: number | undefined;
    readonly minutes?: number | undefined;
    readonly seconds?: number | undefined;
    readonly milliseconds?: number | undefined;
    readonly microseconds?: number | undefined;
    readonly nanoseconds?: number | undefined;
}
/**
 * Decodes a `Duration.Input` into a `Duration`.
 *
 * **When to use**
 *
 * Use when the input has already been validated or comes from a trusted source
 * and throwing is acceptable for invalid duration syntax.
 *
 * **Gotchas**
 *
 * If the input is not a valid `Duration.Input`, it throws an error.
 *
 * **Example** (Decoding duration inputs)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.fromInputUnsafe(1000) // => Duration.millis(1000)
 * Duration.fromInputUnsafe("5 seconds") // => Duration.seconds(5)
 * Duration.fromInputUnsafe("Infinity") // => Duration.infinity
 * Duration.fromInputUnsafe([2, 500_000_000]) // => Duration.nanos(2_500_000_000n)
 * ```
 *
 * @stability stable
 * @category constructors
 * @since 4.0.0
 */
export declare const fromInputUnsafe: (input: Input) => Duration;
/**
 * Decodes a `Input` value into a `Duration` safely, returning
 * `Option.none()` if decoding fails.
 *
 * **Example** (Safely decoding duration inputs)
 *
 * ```ts import.meta.vitest
 * import { Duration, Option } from "effect"
 *
 * Duration.fromInput(1000) // => Option.some(Duration.seconds(1))
 * Duration.fromInput("invalid" as any) // => Option.none()
 * ```
 *
 * @stability stable
 * @category constructors
 * @since 4.0.0
 */
export declare const fromInput: (u: Input) => Option.Option<Duration>;
/**
 * Checks whether a value is a Duration.
 *
 * **Example** (Checking for durations)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.isDuration(Duration.seconds(1)) // => true
 * Duration.isDuration(1000) // => false
 * ```
 *
 * @stability stable
 * @category guards
 * @since 2.0.0
 */
export declare const isDuration: (u: unknown) => u is Duration;
/**
 * Checks whether a Duration is finite (not infinite).
 *
 * **Example** (Checking finite durations)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.isFinite(Duration.seconds(5)) // => true
 * Duration.isFinite(Duration.infinity) // => false
 * ```
 *
 * @stability stable
 * @category predicates
 * @since 2.0.0
 */
export declare const isFinite: (self: Duration) => boolean;
/**
 * Checks whether a Duration is zero.
 *
 * **Example** (Checking for zero durations)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.isZero(Duration.zero) // => true
 * Duration.isZero(Duration.seconds(1)) // => false
 * ```
 *
 * @stability stable
 * @category predicates
 * @since 3.5.0
 */
export declare const isZero: (self: Duration) => boolean;
/**
 * Returns `true` if the duration is negative (strictly less than zero).
 *
 * **Example** (Checking for negative durations)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.isNegative(Duration.seconds(-5)) // => true
 * Duration.isNegative(Duration.zero) // => false
 * Duration.isNegative(Duration.negativeInfinity) // => true
 * ```
 *
 * @stability stable
 * @category predicates
 * @since 4.0.0
 */
export declare const isNegative: (self: Duration) => boolean;
/**
 * Returns `true` if the duration is positive (strictly greater than zero).
 *
 * **Example** (Checking for positive durations)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.isPositive(Duration.seconds(5)) // => true
 * Duration.isPositive(Duration.zero) // => false
 * Duration.isPositive(Duration.infinity) // => true
 * ```
 *
 * @stability stable
 * @category predicates
 * @since 4.0.0
 */
export declare const isPositive: (self: Duration) => boolean;
/**
 * Returns the absolute value of the duration.
 *
 * **Example** (Taking absolute duration values)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.abs(Duration.seconds(-5)) // => Duration.seconds(5)
 * Duration.abs(Duration.negativeInfinity) // => Duration.infinity
 * ```
 *
 * @stability stable
 * @category math
 * @since 4.0.0
 */
export declare const abs: (self: Duration) => Duration;
/**
 * Returns the negated duration.
 *
 * **Example** (Negating durations)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.negate(Duration.seconds(5)) // => Duration.seconds(-5)
 * Duration.negate(Duration.infinity) // => Duration.negativeInfinity
 * ```
 *
 * @stability stable
 * @category math
 * @since 4.0.0
 */
export declare const negate: (self: Duration) => Duration;
/**
 * A Duration representing zero time.
 *
 * **Example** (Referencing the zero duration)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.toMillis(Duration.zero) // => 0
 * ```
 *
 * @stability stable
 * @category constructors
 * @since 2.0.0
 */
export declare const zero: Duration;
/**
 * A Duration representing infinite time.
 *
 * **Example** (Referencing infinite duration)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.toMillis(Duration.infinity) // => Infinity
 * ```
 *
 * @stability stable
 * @category constructors
 * @since 2.0.0
 */
export declare const infinity: Duration;
/**
 * A Duration representing negative infinite time.
 *
 * **Example** (Referencing negative infinite duration)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.toMillis(Duration.negativeInfinity) // => -Infinity
 * ```
 *
 * @stability stable
 * @category constructors
 * @since 4.0.0
 */
export declare const negativeInfinity: Duration;
/**
 * Creates a Duration from nanoseconds.
 *
 * **Example** (Creating durations from nanoseconds)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.nanos(500_000_000n) // => Duration.nanos(500_000_000n)
 * ```
 *
 * @stability stable
 * @category constructors
 * @since 2.0.0
 */
export declare const nanos: (nanos: bigint) => Duration;
/**
 * Creates a Duration from microseconds.
 *
 * **Example** (Creating durations from microseconds)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.micros(500_000n) // => Duration.nanos(500_000_000n)
 * ```
 *
 * @stability stable
 * @category constructors
 * @since 2.0.0
 */
export declare const micros: (micros: bigint) => Duration;
/**
 * Creates a Duration from milliseconds.
 *
 * **Example** (Creating durations from milliseconds)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.toMillis(Duration.millis(1000)) // => 1000
 * ```
 *
 * @stability stable
 * @category constructors
 * @since 2.0.0
 */
export declare const millis: (millis: number) => Duration;
/**
 * Creates a Duration from seconds.
 *
 * **Example** (Creating durations from seconds)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.toMillis(Duration.seconds(30)) // => 30_000
 * ```
 *
 * @stability stable
 * @category constructors
 * @since 2.0.0
 */
export declare const seconds: (seconds: number) => Duration;
/**
 * Creates a Duration from minutes.
 *
 * **Example** (Creating durations from minutes)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.toMillis(Duration.minutes(5)) // => 300_000
 * ```
 *
 * @stability stable
 * @category constructors
 * @since 2.0.0
 */
export declare const minutes: (minutes: number) => Duration;
/**
 * Creates a Duration from hours.
 *
 * **Example** (Creating durations from hours)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.toMillis(Duration.hours(2)) // => 7_200_000
 * ```
 *
 * @stability stable
 * @category constructors
 * @since 2.0.0
 */
export declare const hours: (hours: number) => Duration;
/**
 * Creates a Duration from days.
 *
 * **Example** (Creating durations from days)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.toMillis(Duration.days(1)) // => 86_400_000
 * ```
 *
 * @stability stable
 * @category constructors
 * @since 2.0.0
 */
export declare const days: (days: number) => Duration;
/**
 * Creates a Duration from weeks.
 *
 * **Example** (Creating durations from weeks)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.toMillis(Duration.weeks(1)) // => 604_800_000
 * ```
 *
 * @stability stable
 * @category constructors
 * @since 2.0.0
 */
export declare const weeks: (weeks: number) => Duration;
/**
 * Converts a Duration to milliseconds.
 *
 * **Example** (Converting durations to milliseconds)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.toMillis(Duration.seconds(5)) // => 5000
 * Duration.toMillis(Duration.minutes(2)) // => 120_000
 * ```
 *
 * @stability stable
 * @category getters
 * @since 2.0.0
 */
export declare const toMillis: (self: Input) => number;
/**
 * Converts a Duration to seconds.
 *
 * **Example** (Converting durations to seconds)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.toSeconds(Duration.millis(5000)) // => 5
 * Duration.toSeconds(Duration.minutes(2)) // => 120
 * ```
 *
 * @stability stable
 * @category getters
 * @since 2.0.0
 */
export declare const toSeconds: (self: Input) => number;
/**
 * Converts a Duration to minutes.
 *
 * **Example** (Converting durations to minutes)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.toMinutes(Duration.seconds(120)) // => 2
 * Duration.toMinutes(Duration.hours(1)) // => 60
 * ```
 *
 * @stability stable
 * @category getters
 * @since 3.8.0
 */
export declare const toMinutes: (self: Input) => number;
/**
 * Converts a Duration to hours.
 *
 * **Example** (Converting durations to hours)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.toHours(Duration.minutes(120)) // => 2
 * Duration.toHours(Duration.days(1)) // => 24
 * ```
 *
 * @stability stable
 * @category getters
 * @since 3.8.0
 */
export declare const toHours: (self: Input) => number;
/**
 * Converts a Duration to days.
 *
 * **Example** (Converting durations to days)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.toDays(Duration.hours(48)) // => 2
 * Duration.toDays(Duration.weeks(1)) // => 7
 * ```
 *
 * @stability stable
 * @category getters
 * @since 3.8.0
 */
export declare const toDays: (self: Input) => number;
/**
 * Converts a Duration to weeks.
 *
 * **Example** (Converting durations to weeks)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.toWeeks(Duration.days(14)) // => 2
 * Duration.toWeeks(Duration.days(7)) // => 1
 * ```
 *
 * @stability stable
 * @category getters
 * @since 3.8.0
 */
export declare const toWeeks: (self: Input) => number;
/**
 * Gets the duration in nanoseconds as a bigint.
 *
 * **When to use**
 *
 * Use when the duration is known to be finite and you need the nanosecond value
 * as a `bigint`.
 *
 * **Details**
 *
 * Millisecond-backed fractional durations are rounded to the nearest
 * nanosecond, with ties away from zero.
 *
 * **Gotchas**
 *
 * If the duration is infinite, it throws an error.
 *
 * **Example** (Reading nanoseconds unsafely)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.toNanosUnsafe(Duration.seconds(2)) // => 2_000_000_000n
 *
 * // Duration.toNanosUnsafe(Duration.infinity)
 * // throws Error: "Cannot convert infinite duration to nanos"
 * ```
 *
 * @stability stable
 * @category getters
 * @since 4.0.0
 */
export declare const toNanosUnsafe: (input: Input) => bigint;
/**
 * Gets the duration in nanoseconds safely as an `Option<bigint>`.
 *
 * **Details**
 *
 * If the duration is infinite, returns `Option.none()`.
 *
 * **Example** (Safely reading nanoseconds)
 *
 * ```ts import.meta.vitest
 * import { Duration, Option } from "effect"
 *
 * Duration.toNanos(Duration.seconds(1)) // => Option.some(1_000_000_000n)
 * Duration.toNanos(Duration.infinity) // => Option.none()
 * ```
 *
 * @stability stable
 * @category getters
 * @since 2.0.0
 */
export declare const toNanos: (self: Input) => Option.Option<bigint>;
/**
 * Converts a Duration to high-resolution time format [seconds, nanoseconds].
 *
 * **Example** (Converting durations to high-resolution time)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.toHrTime(Duration.millis(1500)) // => [1, 500_000_000]
 * ```
 *
 * @stability stable
 * @category getters
 * @since 2.0.0
 */
export declare const toHrTime: (input: Input) => [seconds: number, nanos: number];
/**
 * Pattern matches on the representation of a `Duration`.
 *
 * **Details**
 *
 * Provide handlers for millisecond-backed values, nanosecond-backed values,
 * and positive infinity. Use `onNegativeInfinity` to handle negative infinity
 * separately; otherwise negative infinity is handled by `onInfinity`.
 *
 * **Example** (Pattern matching on duration representations)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.match(Duration.seconds(5), {
 *   onMillis: (millis) => `${millis} milliseconds`,
 *   onNanos: (nanos) => `${nanos} nanoseconds`,
 *   onInfinity: () => "infinite"
 * }) // => "5000 milliseconds"
 * ```
 *
 * @stability stable
 * @category pattern matching
 * @since 2.0.0
 */
export declare const match: {
    /**
     * Pattern matches on the representation of a `Duration`.
     *
     * **Details**
     *
     * Provide handlers for millisecond-backed values, nanosecond-backed values,
     * and positive infinity. Use `onNegativeInfinity` to handle negative infinity
     * separately; otherwise negative infinity is handled by `onInfinity`.
     *
     * **Example** (Pattern matching on duration representations)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.match(Duration.seconds(5), {
     *   onMillis: (millis) => `${millis} milliseconds`,
     *   onNanos: (nanos) => `${nanos} nanoseconds`,
     *   onInfinity: () => "infinite"
     * }) // => "5000 milliseconds"
     * ```
     *
     * @stability stable
     * @category pattern matching
     * @since 2.0.0
     */
    <A, B, C, D = C>(options: {
        readonly onMillis: (millis: number) => A;
        readonly onNanos: (nanos: bigint) => B;
        readonly onInfinity: () => C;
        readonly onNegativeInfinity?: () => D;
    }): (self: Duration) => A | B | C | D;
    /**
     * Pattern matches on the representation of a `Duration`.
     *
     * **Details**
     *
     * Provide handlers for millisecond-backed values, nanosecond-backed values,
     * and positive infinity. Use `onNegativeInfinity` to handle negative infinity
     * separately; otherwise negative infinity is handled by `onInfinity`.
     *
     * **Example** (Pattern matching on duration representations)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.match(Duration.seconds(5), {
     *   onMillis: (millis) => `${millis} milliseconds`,
     *   onNanos: (nanos) => `${nanos} nanoseconds`,
     *   onInfinity: () => "infinite"
     * }) // => "5000 milliseconds"
     * ```
     *
     * @stability stable
     * @category pattern matching
     * @since 2.0.0
     */
    <A, B, C, D = C>(self: Duration, options: {
        readonly onMillis: (millis: number) => A;
        readonly onNanos: (nanos: bigint) => B;
        readonly onInfinity: () => C;
        readonly onNegativeInfinity?: () => D;
    }): A | B | C | D;
};
/**
 * Pattern matches on two `Duration`s, providing handlers that receive both values.
 *
 * **Example** (Pattern matching on duration pairs)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.matchPair(Duration.seconds(3), Duration.seconds(2), {
 *   onMillis: (a, b) => a + b,
 *   onNanos: (a, b) => Number(a + b),
 *   onInfinity: () => Infinity
 * }) // => 5000
 * ```
 *
 * @stability stable
 * @category pattern matching
 * @since 4.0.0
 */
export declare const matchPair: {
    /**
     * Pattern matches on two `Duration`s, providing handlers that receive both values.
     *
     * **Example** (Pattern matching on duration pairs)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.matchPair(Duration.seconds(3), Duration.seconds(2), {
     *   onMillis: (a, b) => a + b,
     *   onNanos: (a, b) => Number(a + b),
     *   onInfinity: () => Infinity
     * }) // => 5000
     * ```
     *
     * @stability stable
     * @category pattern matching
     * @since 4.0.0
     */
    <A, B, C>(that: Duration, options: {
        readonly onMillis: (self: number, that: number) => A;
        readonly onNanos: (self: bigint, that: bigint) => B;
        readonly onInfinity: (self: Duration, that: Duration) => C;
    }): (self: Duration) => A | B | C;
    /**
     * Pattern matches on two `Duration`s, providing handlers that receive both values.
     *
     * **Example** (Pattern matching on duration pairs)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.matchPair(Duration.seconds(3), Duration.seconds(2), {
     *   onMillis: (a, b) => a + b,
     *   onNanos: (a, b) => Number(a + b),
     *   onInfinity: () => Infinity
     * }) // => 5000
     * ```
     *
     * @stability stable
     * @category pattern matching
     * @since 4.0.0
     */
    <A, B, C>(self: Duration, that: Duration, options: {
        readonly onMillis: (self: number, that: number) => A;
        readonly onNanos: (self: bigint, that: bigint) => B;
        readonly onInfinity: (self: Duration, that: Duration) => C;
    }): A | B | C;
};
/**
 * Provides an `Order` instance for comparing `Duration` values.
 *
 * **Details**
 *
 * `NegativeInfinity` < any finite value < `Infinity`.
 *
 * **Example** (Sorting durations)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * const durations = [
 *   Duration.seconds(3),
 *   Duration.seconds(1),
 *   Duration.seconds(2)
 * ]
 * durations.sort((a, b) => Duration.Order(a, b)).map(Duration.toSeconds) // => [1, 2, 3]
 * ```
 *
 * @stability stable
 * @category instances
 * @since 2.0.0
 */
export declare const Order: order.Order<Duration>;
/**
 * Returns `true` if a `Duration` is greater than or equal to `minimum` and
 * less than or equal to `maximum`, according to `Duration.Order`.
 *
 * **When to use**
 *
 * Use to test whether a duration is inside an inclusive range.
 *
 * **Details**
 *
 * Both bounds are inclusive and compared with `Duration.Order`.
 *
 * **Gotchas**
 *
 * The bounds are not normalized. If `minimum` is greater than `maximum`, the
 * predicate returns `false` for every duration.
 *
 * **Example** (Checking duration ranges)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.between(Duration.seconds(3), {
 *   minimum: Duration.seconds(2),
 *   maximum: Duration.seconds(5)
 * }) // => true
 * ```
 *
 * @see {@link clamp} for constraining a duration to a range
 * @see {@link isGreaterThanOrEqualTo} for checking only the lower bound
 * @see {@link isLessThanOrEqualTo} for checking only the upper bound
 *
 * @stability stable
 * @category predicates
 * @since 2.0.0
 */
export declare const between: {
    /**
     * Returns `true` if a `Duration` is greater than or equal to `minimum` and
     * less than or equal to `maximum`, according to `Duration.Order`.
     *
     * **When to use**
     *
     * Use to test whether a duration is inside an inclusive range.
     *
     * **Details**
     *
     * Both bounds are inclusive and compared with `Duration.Order`.
     *
     * **Gotchas**
     *
     * The bounds are not normalized. If `minimum` is greater than `maximum`, the
     * predicate returns `false` for every duration.
     *
     * **Example** (Checking duration ranges)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.between(Duration.seconds(3), {
     *   minimum: Duration.seconds(2),
     *   maximum: Duration.seconds(5)
     * }) // => true
     * ```
     *
     * @see {@link clamp} for constraining a duration to a range
     * @see {@link isGreaterThanOrEqualTo} for checking only the lower bound
     * @see {@link isLessThanOrEqualTo} for checking only the upper bound
     *
     * @stability stable
     * @category predicates
     * @since 2.0.0
     */
    (options: {
        minimum: Duration;
        maximum: Duration;
    }): (self: Duration) => boolean;
    /**
     * Returns `true` if a `Duration` is greater than or equal to `minimum` and
     * less than or equal to `maximum`, according to `Duration.Order`.
     *
     * **When to use**
     *
     * Use to test whether a duration is inside an inclusive range.
     *
     * **Details**
     *
     * Both bounds are inclusive and compared with `Duration.Order`.
     *
     * **Gotchas**
     *
     * The bounds are not normalized. If `minimum` is greater than `maximum`, the
     * predicate returns `false` for every duration.
     *
     * **Example** (Checking duration ranges)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.between(Duration.seconds(3), {
     *   minimum: Duration.seconds(2),
     *   maximum: Duration.seconds(5)
     * }) // => true
     * ```
     *
     * @see {@link clamp} for constraining a duration to a range
     * @see {@link isGreaterThanOrEqualTo} for checking only the lower bound
     * @see {@link isLessThanOrEqualTo} for checking only the upper bound
     *
     * @stability stable
     * @category predicates
     * @since 2.0.0
     */
    (self: Duration, options: {
        minimum: Duration;
        maximum: Duration;
    }): boolean;
};
/**
 * Provides an `Equivalence` instance for comparing `Duration` values.
 *
 * **Example** (Comparing durations for equivalence)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.Equivalence(Duration.seconds(5), Duration.millis(5000)) // => true
 * ```
 *
 * @stability stable
 * @category instances
 * @since 2.0.0
 */
export declare const Equivalence: Equ.Equivalence<Duration>;
/**
 * Returns the smaller of two Durations.
 *
 * **Example** (Selecting the shorter duration)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.min(Duration.seconds(5), Duration.seconds(3)) // => Duration.seconds(3)
 * ```
 *
 * @stability stable
 * @category ordering
 * @since 2.0.0
 */
export declare const min: {
    /**
     * Returns the smaller of two Durations.
     *
     * **Example** (Selecting the shorter duration)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.min(Duration.seconds(5), Duration.seconds(3)) // => Duration.seconds(3)
     * ```
     *
     * @stability stable
     * @category ordering
     * @since 2.0.0
     */
    (that: Duration): (self: Duration) => Duration;
    /**
     * Returns the smaller of two Durations.
     *
     * **Example** (Selecting the shorter duration)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.min(Duration.seconds(5), Duration.seconds(3)) // => Duration.seconds(3)
     * ```
     *
     * @stability stable
     * @category ordering
     * @since 2.0.0
     */
    (self: Duration, that: Duration): Duration;
};
/**
 * Returns the larger of two Durations.
 *
 * **Example** (Selecting the longer duration)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.max(Duration.seconds(5), Duration.seconds(3)) // => Duration.seconds(5)
 * ```
 *
 * @stability stable
 * @category ordering
 * @since 2.0.0
 */
export declare const max: {
    /**
     * Returns the larger of two Durations.
     *
     * **Example** (Selecting the longer duration)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.max(Duration.seconds(5), Duration.seconds(3)) // => Duration.seconds(5)
     * ```
     *
     * @stability stable
     * @category ordering
     * @since 2.0.0
     */
    (that: Duration): (self: Duration) => Duration;
    /**
     * Returns the larger of two Durations.
     *
     * **Example** (Selecting the longer duration)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.max(Duration.seconds(5), Duration.seconds(3)) // => Duration.seconds(5)
     * ```
     *
     * @stability stable
     * @category ordering
     * @since 2.0.0
     */
    (self: Duration, that: Duration): Duration;
};
/**
 * Returns a `Duration` constrained between a minimum and maximum value.
 *
 * **Example** (Clamping durations to a range)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.clamp(Duration.seconds(10), {
 *   minimum: Duration.seconds(2),
 *   maximum: Duration.seconds(5)
 * }) // => Duration.seconds(5)
 * ```
 *
 * @stability stable
 * @category ordering
 * @since 2.0.0
 */
export declare const clamp: {
    /**
     * Returns a `Duration` constrained between a minimum and maximum value.
     *
     * **Example** (Clamping durations to a range)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.clamp(Duration.seconds(10), {
     *   minimum: Duration.seconds(2),
     *   maximum: Duration.seconds(5)
     * }) // => Duration.seconds(5)
     * ```
     *
     * @stability stable
     * @category ordering
     * @since 2.0.0
     */
    (options: {
        minimum: Duration;
        maximum: Duration;
    }): (self: Duration) => Duration;
    /**
     * Returns a `Duration` constrained between a minimum and maximum value.
     *
     * **Example** (Clamping durations to a range)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.clamp(Duration.seconds(10), {
     *   minimum: Duration.seconds(2),
     *   maximum: Duration.seconds(5)
     * }) // => Duration.seconds(5)
     * ```
     *
     * @stability stable
     * @category ordering
     * @since 2.0.0
     */
    (self: Duration, options: {
        minimum: Duration;
        maximum: Duration;
    }): Duration;
};
/**
 * Divides a `Duration` by a finite, non-zero number safely.
 *
 * **Details**
 *
 * Returns `Option.none()` for zero, negative zero, or non-finite divisors. For
 * nanosecond-backed durations, also returns `Option.none()` when the divisor
 * cannot be converted to a `bigint`, such as a fractional divisor.
 *
 * **Example** (Safely dividing durations)
 *
 * ```ts import.meta.vitest
 * import { Duration, Option } from "effect"
 *
 * Duration.divide(Duration.seconds(10), 2) // => Option.some(Duration.seconds(5))
 * Duration.divide(Duration.seconds(10), 0) // => Option.none()
 * ```
 *
 * @stability stable
 * @category math
 * @since 2.4.19
 */
export declare const divide: {
    /**
     * Divides a `Duration` by a finite, non-zero number safely.
     *
     * **Details**
     *
     * Returns `Option.none()` for zero, negative zero, or non-finite divisors. For
     * nanosecond-backed durations, also returns `Option.none()` when the divisor
     * cannot be converted to a `bigint`, such as a fractional divisor.
     *
     * **Example** (Safely dividing durations)
     *
     * ```ts import.meta.vitest
     * import { Duration, Option } from "effect"
     *
     * Duration.divide(Duration.seconds(10), 2) // => Option.some(Duration.seconds(5))
     * Duration.divide(Duration.seconds(10), 0) // => Option.none()
     * ```
     *
     * @stability stable
     * @category math
     * @since 2.4.19
     */
    (by: number): (self: Duration) => Option.Option<Duration>;
    /**
     * Divides a `Duration` by a finite, non-zero number safely.
     *
     * **Details**
     *
     * Returns `Option.none()` for zero, negative zero, or non-finite divisors. For
     * nanosecond-backed durations, also returns `Option.none()` when the divisor
     * cannot be converted to a `bigint`, such as a fractional divisor.
     *
     * **Example** (Safely dividing durations)
     *
     * ```ts import.meta.vitest
     * import { Duration, Option } from "effect"
     *
     * Duration.divide(Duration.seconds(10), 2) // => Option.some(Duration.seconds(5))
     * Duration.divide(Duration.seconds(10), 0) // => Option.none()
     * ```
     *
     * @stability stable
     * @category math
     * @since 2.4.19
     */
    (self: Duration, by: number): Option.Option<Duration>;
};
/**
 * Divides a `Duration` by a number using fallback rules instead of returning
 * an `Option`.
 *
 * **When to use**
 *
 * Use when dividing a `Duration` should return `Duration.zero` or signed
 * infinity for invalid cases instead of forcing callers to handle `Option.none`.
 *
 * **Details**
 *
 * Non-finite divisors return `Duration.zero`. Division by positive or negative
 * zero can produce signed infinity for non-zero finite durations, while zero
 * or infinite durations divided by zero produce `Duration.zero`.
 * Nanosecond-backed durations return `Duration.zero` when the divisor cannot
 * be converted to a `bigint`.
 *
 * **Example** (Dividing durations unsafely)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.divideUnsafe(Duration.seconds(10), 2) // => Duration.seconds(5)
 * Duration.divideUnsafe(Duration.seconds(10), 0) // => Duration.infinity
 * ```
 *
 * @stability stable
 * @category math
 * @since 4.0.0
 */
export declare const divideUnsafe: {
    /**
     * Divides a `Duration` by a number using fallback rules instead of returning
     * an `Option`.
     *
     * **When to use**
     *
     * Use when dividing a `Duration` should return `Duration.zero` or signed
     * infinity for invalid cases instead of forcing callers to handle `Option.none`.
     *
     * **Details**
     *
     * Non-finite divisors return `Duration.zero`. Division by positive or negative
     * zero can produce signed infinity for non-zero finite durations, while zero
     * or infinite durations divided by zero produce `Duration.zero`.
     * Nanosecond-backed durations return `Duration.zero` when the divisor cannot
     * be converted to a `bigint`.
     *
     * **Example** (Dividing durations unsafely)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.divideUnsafe(Duration.seconds(10), 2) // => Duration.seconds(5)
     * Duration.divideUnsafe(Duration.seconds(10), 0) // => Duration.infinity
     * ```
     *
     * @stability stable
     * @category math
     * @since 4.0.0
     */
    (by: number): (self: Duration) => Duration;
    /**
     * Divides a `Duration` by a number using fallback rules instead of returning
     * an `Option`.
     *
     * **When to use**
     *
     * Use when dividing a `Duration` should return `Duration.zero` or signed
     * infinity for invalid cases instead of forcing callers to handle `Option.none`.
     *
     * **Details**
     *
     * Non-finite divisors return `Duration.zero`. Division by positive or negative
     * zero can produce signed infinity for non-zero finite durations, while zero
     * or infinite durations divided by zero produce `Duration.zero`.
     * Nanosecond-backed durations return `Duration.zero` when the divisor cannot
     * be converted to a `bigint`.
     *
     * **Example** (Dividing durations unsafely)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.divideUnsafe(Duration.seconds(10), 2) // => Duration.seconds(5)
     * Duration.divideUnsafe(Duration.seconds(10), 0) // => Duration.infinity
     * ```
     *
     * @stability stable
     * @category math
     * @since 4.0.0
     */
    (self: Duration, by: number): Duration;
};
/**
 * Returns a `Duration` multiplied by a number.
 *
 * **Details**
 *
 * Fractional multipliers on nanosecond-backed durations round the result to
 * the nearest nanosecond, with ties rounding away from zero. Infinite
 * durations return positive infinity, negative infinity, or zero depending on
 * the multiplier sign.
 *
 * **Example** (Multiplying durations)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.times(Duration.seconds(5), 2) // => Duration.seconds(10)
 * ```
 *
 * @stability stable
 * @category math
 * @since 2.0.0
 */
export declare const times: {
    /**
     * Returns a `Duration` multiplied by a number.
     *
     * **Details**
     *
     * Fractional multipliers on nanosecond-backed durations round the result to
     * the nearest nanosecond, with ties rounding away from zero. Infinite
     * durations return positive infinity, negative infinity, or zero depending on
     * the multiplier sign.
     *
     * **Example** (Multiplying durations)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.times(Duration.seconds(5), 2) // => Duration.seconds(10)
     * ```
     *
     * @stability stable
     * @category math
     * @since 2.0.0
     */
    (times: number): (self: Duration) => Duration;
    /**
     * Returns a `Duration` multiplied by a number.
     *
     * **Details**
     *
     * Fractional multipliers on nanosecond-backed durations round the result to
     * the nearest nanosecond, with ties rounding away from zero. Infinite
     * durations return positive infinity, negative infinity, or zero depending on
     * the multiplier sign.
     *
     * **Example** (Multiplying durations)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.times(Duration.seconds(5), 2) // => Duration.seconds(10)
     * ```
     *
     * @stability stable
     * @category math
     * @since 2.0.0
     */
    (self: Duration, times: number): Duration;
};
/**
 * Subtracts one Duration from another. The result can be negative.
 *
 * **Details**
 *
 * Infinity subtraction follows signed-infinity arithmetic. Subtracting the
 * same infinity from itself returns zero. Positive infinity minus negative
 * infinity or any finite duration remains positive infinity. Negative infinity
 * minus positive infinity or any finite duration remains negative infinity.
 * Finite durations minus positive infinity produce negative infinity, and
 * finite durations minus negative infinity produce positive infinity.
 *
 * **Example** (Subtracting durations)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.subtract(Duration.seconds(10), Duration.seconds(3)) // => Duration.seconds(7)
 * ```
 *
 * @stability stable
 * @category math
 * @since 2.0.0
 */
export declare const subtract: {
    /**
     * Subtracts one Duration from another. The result can be negative.
     *
     * **Details**
     *
     * Infinity subtraction follows signed-infinity arithmetic. Subtracting the
     * same infinity from itself returns zero. Positive infinity minus negative
     * infinity or any finite duration remains positive infinity. Negative infinity
     * minus positive infinity or any finite duration remains negative infinity.
     * Finite durations minus positive infinity produce negative infinity, and
     * finite durations minus negative infinity produce positive infinity.
     *
     * **Example** (Subtracting durations)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.subtract(Duration.seconds(10), Duration.seconds(3)) // => Duration.seconds(7)
     * ```
     *
     * @stability stable
     * @category math
     * @since 2.0.0
     */
    (that: Duration): (self: Duration) => Duration;
    /**
     * Subtracts one Duration from another. The result can be negative.
     *
     * **Details**
     *
     * Infinity subtraction follows signed-infinity arithmetic. Subtracting the
     * same infinity from itself returns zero. Positive infinity minus negative
     * infinity or any finite duration remains positive infinity. Negative infinity
     * minus positive infinity or any finite duration remains negative infinity.
     * Finite durations minus positive infinity produce negative infinity, and
     * finite durations minus negative infinity produce positive infinity.
     *
     * **Example** (Subtracting durations)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.subtract(Duration.seconds(10), Duration.seconds(3)) // => Duration.seconds(7)
     * ```
     *
     * @stability stable
     * @category math
     * @since 2.0.0
     */
    (self: Duration, that: Duration): Duration;
};
/**
 * Adds two Durations together.
 *
 * **Details**
 *
 * Infinity addition follows these rules:
 *
 * - infinity + infinity = infinity
 * - infinity + negativeInfinity = zero
 * - infinity + finite = infinity
 * - negativeInfinity + negativeInfinity = negativeInfinity
 * - negativeInfinity + finite = negativeInfinity
 *
 * **Example** (Adding durations)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.sum(Duration.seconds(5), Duration.seconds(3)) // => Duration.seconds(8)
 * ```
 *
 * @stability stable
 * @category math
 * @since 2.0.0
 */
export declare const sum: {
    /**
     * Adds two Durations together.
     *
     * **Details**
     *
     * Infinity addition follows these rules:
     *
     * - infinity + infinity = infinity
     * - infinity + negativeInfinity = zero
     * - infinity + finite = infinity
     * - negativeInfinity + negativeInfinity = negativeInfinity
     * - negativeInfinity + finite = negativeInfinity
     *
     * **Example** (Adding durations)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.sum(Duration.seconds(5), Duration.seconds(3)) // => Duration.seconds(8)
     * ```
     *
     * @stability stable
     * @category math
     * @since 2.0.0
     */
    (that: Duration): (self: Duration) => Duration;
    /**
     * Adds two Durations together.
     *
     * **Details**
     *
     * Infinity addition follows these rules:
     *
     * - infinity + infinity = infinity
     * - infinity + negativeInfinity = zero
     * - infinity + finite = infinity
     * - negativeInfinity + negativeInfinity = negativeInfinity
     * - negativeInfinity + finite = negativeInfinity
     *
     * **Example** (Adding durations)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.sum(Duration.seconds(5), Duration.seconds(3)) // => Duration.seconds(8)
     * ```
     *
     * @stability stable
     * @category math
     * @since 2.0.0
     */
    (self: Duration, that: Duration): Duration;
};
/**
 * Checks whether the first Duration is less than the second.
 *
 * **Example** (Comparing durations with less than)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.isLessThan(Duration.seconds(3), Duration.seconds(5)) // => true
 * ```
 *
 * @stability stable
 * @category predicates
 * @since 4.0.0
 */
export declare const isLessThan: {
    /**
     * Checks whether the first Duration is less than the second.
     *
     * **Example** (Comparing durations with less than)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.isLessThan(Duration.seconds(3), Duration.seconds(5)) // => true
     * ```
     *
     * @stability stable
     * @category predicates
     * @since 4.0.0
     */
    (that: Duration): (self: Duration) => boolean;
    /**
     * Checks whether the first Duration is less than the second.
     *
     * **Example** (Comparing durations with less than)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.isLessThan(Duration.seconds(3), Duration.seconds(5)) // => true
     * ```
     *
     * @stability stable
     * @category predicates
     * @since 4.0.0
     */
    (self: Duration, that: Duration): boolean;
};
/**
 * Checks whether the first Duration is less than or equal to the second.
 *
 * **Example** (Comparing durations with less than or equal)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.isLessThanOrEqualTo(
 *   Duration.seconds(5),
 *   Duration.seconds(5)
 * ) // => true
 * ```
 *
 * @stability stable
 * @category predicates
 * @since 4.0.0
 */
export declare const isLessThanOrEqualTo: {
    /**
     * Checks whether the first Duration is less than or equal to the second.
     *
     * **Example** (Comparing durations with less than or equal)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.isLessThanOrEqualTo(
     *   Duration.seconds(5),
     *   Duration.seconds(5)
     * ) // => true
     * ```
     *
     * @stability stable
     * @category predicates
     * @since 4.0.0
     */
    (that: Duration): (self: Duration) => boolean;
    /**
     * Checks whether the first Duration is less than or equal to the second.
     *
     * **Example** (Comparing durations with less than or equal)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.isLessThanOrEqualTo(
     *   Duration.seconds(5),
     *   Duration.seconds(5)
     * ) // => true
     * ```
     *
     * @stability stable
     * @category predicates
     * @since 4.0.0
     */
    (self: Duration, that: Duration): boolean;
};
/**
 * Checks whether the first Duration is greater than the second.
 *
 * **Example** (Comparing durations with greater than)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.isGreaterThan(Duration.seconds(5), Duration.seconds(3)) // => true
 * ```
 *
 * @stability stable
 * @category predicates
 * @since 4.0.0
 */
export declare const isGreaterThan: {
    /**
     * Checks whether the first Duration is greater than the second.
     *
     * **Example** (Comparing durations with greater than)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.isGreaterThan(Duration.seconds(5), Duration.seconds(3)) // => true
     * ```
     *
     * @stability stable
     * @category predicates
     * @since 4.0.0
     */
    (that: Duration): (self: Duration) => boolean;
    /**
     * Checks whether the first Duration is greater than the second.
     *
     * **Example** (Comparing durations with greater than)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.isGreaterThan(Duration.seconds(5), Duration.seconds(3)) // => true
     * ```
     *
     * @stability stable
     * @category predicates
     * @since 4.0.0
     */
    (self: Duration, that: Duration): boolean;
};
/**
 * Checks whether the first Duration is greater than or equal to the second.
 *
 * **Example** (Comparing durations with greater than or equal)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.isGreaterThanOrEqualTo(
 *   Duration.seconds(5),
 *   Duration.seconds(5)
 * ) // => true
 * ```
 *
 * @stability stable
 * @category predicates
 * @since 4.0.0
 */
export declare const isGreaterThanOrEqualTo: {
    /**
     * Checks whether the first Duration is greater than or equal to the second.
     *
     * **Example** (Comparing durations with greater than or equal)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.isGreaterThanOrEqualTo(
     *   Duration.seconds(5),
     *   Duration.seconds(5)
     * ) // => true
     * ```
     *
     * @stability stable
     * @category predicates
     * @since 4.0.0
     */
    (that: Duration): (self: Duration) => boolean;
    /**
     * Checks whether the first Duration is greater than or equal to the second.
     *
     * **Example** (Comparing durations with greater than or equal)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.isGreaterThanOrEqualTo(
     *   Duration.seconds(5),
     *   Duration.seconds(5)
     * ) // => true
     * ```
     *
     * @stability stable
     * @category predicates
     * @since 4.0.0
     */
    (self: Duration, that: Duration): boolean;
};
/**
 * Checks whether two Durations are equal.
 *
 * **Example** (Checking duration equality)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.equals(Duration.seconds(5), Duration.millis(5000)) // => true
 * ```
 *
 * @stability stable
 * @category predicates
 * @since 2.0.0
 */
export declare const equals: {
    /**
     * Checks whether two Durations are equal.
     *
     * **Example** (Checking duration equality)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.equals(Duration.seconds(5), Duration.millis(5000)) // => true
     * ```
     *
     * @stability stable
     * @category predicates
     * @since 2.0.0
     */
    (that: Duration): (self: Duration) => boolean;
    /**
     * Checks whether two Durations are equal.
     *
     * **Example** (Checking duration equality)
     *
     * ```ts import.meta.vitest
     * import { Duration } from "effect"
     *
     * Duration.equals(Duration.seconds(5), Duration.millis(5000)) // => true
     * ```
     *
     * @stability stable
     * @category predicates
     * @since 2.0.0
     */
    (self: Duration, that: Duration): boolean;
};
/**
 * Decomposes a `Duration` into normalized signed components.
 *
 * **Details**
 *
 * Finite durations are returned as `{ days, hours, minutes, seconds, millis,
 * nanos }`. Infinite durations return every component as `Infinity` or
 * `-Infinity`.
 *
 * **Example** (Decomposing durations into parts)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * // Create a complex duration by adding multiple parts
 * const duration = Duration.sum(
 *   Duration.sum(
 *     Duration.sum(Duration.days(1), Duration.hours(2)),
 *     Duration.sum(Duration.minutes(30), Duration.seconds(45))
 *   ),
 *   Duration.millis(123)
 * )
 * Duration.parts(duration) // => ({ days: 1, hours: 2, minutes: 30, seconds: 45, millis: 123, nanos: 0 })
 *
 * const complex = Duration.sum(Duration.hours(25), Duration.minutes(90))
 * Duration.parts(complex) // => ({ days: 1, hours: 2, minutes: 30, seconds: 0, millis: 0, nanos: 0 })
 * ```
 *
 * @stability stable
 * @category converting
 * @since 3.8.0
 */
export declare const parts: (self: Duration) => {
    days: number;
    hours: number;
    minutes: number;
    seconds: number;
    millis: number;
    nanos: number;
};
/**
 * Converts a `Duration` to a human readable string.
 *
 * **Example** (Formatting durations)
 *
 * ```ts import.meta.vitest
 * import { Duration } from "effect"
 *
 * Duration.format(Duration.millis(1000)) // => "1s"
 * Duration.format(Duration.millis(1001)) // => "1s 1ms"
 * ```
 *
 * @stability stable
 * @category converting
 * @since 2.0.0
 */
export declare const format: (self: Duration) => string;
/**
 * Reducer for summing `Duration`s.
 *
 * **When to use**
 *
 * Use to sum many `Duration` values through APIs that consume a `Reducer`.
 *
 * **Details**
 *
 * `ReducerSum` uses `sum` and starts from `zero`, so `combineAll([])` returns
 * `zero`.
 *
 * @see {@link sum} for adding two duration values directly
 * @see {@link CombinerMax} for keeping the longest duration instead of summing
 * @see {@link CombinerMin} for keeping the shortest duration instead of summing
 *
 * @stability stable
 * @category math
 * @since 4.0.0
 */
export declare const ReducerSum: Reducer.Reducer<Duration>;
/**
 * Combiner that returns the maximum `Duration`.
 *
 * **When to use**
 *
 * Use to keep the longest `Duration` when an API consumes a `Combiner`.
 *
 * @see {@link CombinerMin} for keeping the shortest `Duration`
 * @see {@link max} for comparing two `Duration` values directly
 *
 * @stability stable
 * @category math
 * @since 4.0.0
 */
export declare const CombinerMax: Combiner.Combiner<Duration>;
/**
 * Combiner that returns the minimum `Duration`.
 *
 * **When to use**
 *
 * Use to keep the shortest `Duration` through APIs that consume a `Combiner`.
 *
 * @see {@link CombinerMax} for keeping the longest `Duration`
 * @see {@link min} for comparing two `Duration` values directly
 *
 * @stability stable
 * @category math
 * @since 4.0.0
 */
export declare const CombinerMin: Combiner.Combiner<Duration>;
export {};
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