/** @module Interface wasi:clocks/monotonic-clock@0.2.3 **/
/**
 * Read the current value of the clock.
 * 
 * The clock is monotonic, therefore calling this function repeatedly will
 * produce a sequence of non-decreasing values.
 */
export function now(): Instant;
/**
 * Query the resolution of the clock. Returns the duration of time
 * corresponding to a clock tick.
 */
export function resolution(): Duration;
/**
 * Create a `pollable` which will resolve once the specified instant
 * has occurred.
 */
export function subscribeInstant(when: Instant): Pollable;
/**
 * Create a `pollable` that will resolve after the specified duration has
 * elapsed from the time this function is invoked.
 */
export function subscribeDuration(when: Duration): Pollable;
export type Pollable = import('./wasi-io-poll.js').Pollable;
/**
 * An instant in time, in nanoseconds. An instant is relative to an
 * unspecified initial value, and can only be compared to instances from
 * the same monotonic-clock.
 */
export type Instant = bigint;
/**
 * A duration of time, in nanoseconds.
 */
export type Duration = bigint;