import { Action } from '@testla/screenplay';
/**
 * Action Class. Pauses further test execution for a while. Does not require a particular Ability.
 */
export declare class Sleep extends Action {
    private ms;
    private constructor();
    /**
     * Pause the execution of further test steps for a given interval in milliseconds.
     * @return {void} void
     */
    performAs(): Promise<void>;
    /**
     * Pause the execution of further test steps for a given interval in milliseconds.
     *
     * @param {number} ms interval in milliseconds.
     * @return {Sleep} new Sleep instance
     */
    static for(ms: number): Sleep;
}