hunk.code_window:   }
     // static method stubs
     static bindCallback: <T>(callbackFunc: Function, ctx?: Object, selector?: Function, scheduler?: Scheduler) => Function;
     static combineLatest: <T>(...observables: Array<Observable<any> |
                                                     Array<Observable<any>> |
                                                     ((...values: Array<any>) => T) |
  
hunk.labels: keep keep keep replace keep keep keep
hunk.after_edit:   static bindCallback: <T>(callbackFunc: Function, selector?: Function, scheduler?: Scheduler) => Function;
  
hunk.file_path: src/Observable.ts
hunk.type: replace
file: import {Observable} from '../../Observable';
  import {bufferTime} from '../../operator/bufferTime';
  Observable.prototype.bufferTime = bufferTime;
  