/// <reference types="node" />
export default class Timer {
    /**
     * Call setTimeout, but can be mocked out easily
     * @param cb Callback to run after delay
     * @param ms Delay in milliseconds
     */
    timeout(cb: () => void, ms: number): NodeJS.Timeout;
    /**
     * A simple sleep to prefect call back hell with a simple wait timer
     * @param ms
     */
    static sleep(ms: number): Promise<void>;
}