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

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

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