/// <reference types="node" />
import { promisify as util_promisify } from 'util';
declare global {
    interface ObjectConstructor {
        getOwnPropertyDescriptors(o: any): PropertyDescriptorMap;
    }
}
/**
 * Promisify implementation, will use built-in version in node if available, falls back to local implementation borrowed from node8.
 */
export declare const promisify: typeof util_promisify;