@omneedia/socketcluster/sample/node_modules/rxjs/add/observable/fromEvent.d.ts

SocketCluster - A Highly parallelized WebSocket server cluster to make the most of multi-core machines/instances.

import { fromEvent as staticFromEvent } from '../../observable/fromEvent';
declare module '../../Observable' {
    namespace Observable {
        let fromEvent: typeof staticFromEvent;
    }
}