/** @license MIT License (c) copyright 2010-2017 original author or authors */
import { Clock, Time } from '@most/types';
export declare class RelativeClock implements Clock {
    private readonly clock;
    private readonly origin;
    constructor(clock: Clock, origin: Time);
    now(): Time;
}
export declare class HRTimeClock implements Clock {
    private readonly hrtime;
    private readonly origin;
    constructor(hrtime: (time: [number, number]) => [number, number], origin: [Time, Time]);
    now(): Time;
}
export declare const clockRelativeTo: (clock: Clock) => Clock;
export declare const newPerformanceClock: () => Clock;
/**
 * @deprecated will be removed in 2.0.0
 * Date.now is not monotonic, and performance.now is ubiquitous:
 * @see https://caniuse.com/#search=performance.now
 */
export declare const newDateClock: () => Clock;
export declare const newHRTimeClock: () => Clock;
export declare const newPlatformClock: () => Clock;