export declare const systemClock: {
    now: typeof import("@bytecodealliance/preview2-shim/interfaces/wasi-clocks-wall-clock").now;
    /**
     * Query the resolution of the clock.
     *
     * WIT:
     * ```
     * get-resolution: func() -> duration;
     * ```
     *
     * @returns {bigint} The smallest distinguishable duration in nanoseconds.
     */
    getResolution(): bigint;
};
export declare const monotonicClock: {
    /**
     * Query the resolution of the clock.
     *
     * WIT:
     * ```
     * get-resolution: func() -> duration;
     * ```
     *
     * @returns {bigint} Duration of a clock tick in nanoseconds.
     */
    getResolution(): bigint;
    /**
     * Waits until a specific mark (in nanoseconds) is reached
     *
     * WIT:
     * ```
     * wait-until: async func(when: mark);
     * ```
     * @async
     * @param {bigint} targetNs - The target mark in nanoseconds to wait until
     * @returns {Promise<void>} A promise that resolves when the target mark is reached
     * @throws {TypeError} If targetNs is not a bigint
     */
    waitUntil(targetNs: any): Promise<void>;
    /**
     * Waits for a specified duration in nanoseconds
     *
     * WIT:
     * ```
     * wait-for: async func(how-long: duration);
     * ```
     * @async
     * @param {bigint} durationNs - The duration to wait in nanoseconds
     * @returns {Promise<void>} A promise that resolves after the specified duration
     * @throws {TypeError} If durationNs is not a bigint
     */
    waitFor(durationNs: any): Promise<void>;
    now(): import("@bytecodealliance/preview2-shim/interfaces/wasi-clocks-monotonic-clock").Instant;
    resolution(): import("@bytecodealliance/preview2-shim/interfaces/wasi-clocks-monotonic-clock").Duration;
};