/** @module Interface wasi:clocks/monotonic-clock@0.3.0 **/
/**
 * Read the current value of the clock.
 * 
 * The clock is monotonic, therefore calling this function repeatedly will
 * produce a sequence of non-decreasing values.
 * 
 * For completeness, this function traps if it's not possible to represent
 * the value of the clock in a `mark`. Consequently, implementations
 * should ensure that the starting time is low enough to avoid the
 * possibility of overflow in practice.
 */
export function now(): Mark;
/**
 * Query the resolution of the clock. Returns the duration of time
 * corresponding to a clock tick.
 */
export function getResolution(): Duration;
/**
 * Wait until the specified mark has occurred.
 */
export function waitUntil(when: Mark): Promise<void>;
/**
 * Wait for the specified duration to elapse.
 */
export function waitFor(howLong: Duration): Promise<void>;
export type Duration = import('./wasi-clocks-types.js').Duration;
/**
 * A mark on a monotonic clock is a number of nanoseconds since an
 * unspecified initial value, and can only be compared to instances from
 * the same monotonic-clock.
 */
export type Mark = bigint;