an addition to the bluebird descriptors

bluebird-ext.d.ts

import * as Bluebird from "@types/bluebird";

declare module "bluebird" {
        /**
         * Returns a promise that is resolved by a node style callback function.
         */
        export function fromNode<T>(resolver: (callback: (err: any, result?: Bluebird<T>) => void) => void, options?: Bluebird.FromNodeOptions): Bluebird<T>;

        export function fromCallback<T>(resolver: (callback: (err: any, result?: Bluebird<T>) => void) => void, options?: Bluebird.FromNodeOptions): Bluebird<T>;
}