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

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

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