@omneedia/socketcluster/sample/node_modules/rxjs/add/operator/timeInterval.d.ts

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

import { timeInterval } from '../../operator/timeInterval';
declare module '../../Observable' {
    interface Observable<T> {
        timeInterval: typeof timeInterval;
    }
}