message: docs(windowTime): fix examples
diff: @@ -34,12 +34,12 @@ import { OperatorFunction, SchedulerLike, SchedulerAction } from '../types';
  * In every window of 1 second each, emit at most 2 click events
  * ```javascript
  * import { fromEvent } from 'rxjs';
  - * import { windowTime, map, mergeAll } from 'rxjs/operators';
  + * import { windowTime, map, mergeAll, take } from 'rxjs/operators';
  *
  * const clicks = fromEvent(document, 'click');
  * const result = clicks.pipe(
  * windowTime(1000),
  - * map(win => win.take(2)), // each window has at most 2 emissions
  + * map(win => win.pipe(take(2))), // each window has at most 2 emissions
  * mergeAll(), // flatten the Observable-of-Observables
  * );
  * result.subscribe(x => console.log(x));
  @@ -48,12 +48,12 @@ import { OperatorFunction, SchedulerLike, SchedulerAction } from '../types';
  * Every 5 seconds start a window 1 second long, and emit at most 2 click events per window
  * ```javascript
  * import { fromEvent } from 'rxjs';
  - * import { windowTime, map, mergeAll } from 'rxjs/operators';
  + * import { windowTime, map, mergeAll, take } from 'rxjs/operators';
  *
  * const clicks = fromEvent(document, 'click');
  * const result = clicks.pipe(
  * windowTime(1000, 5000),
  - * map(win => win.take(2)), // each window has at most 2 emissions
  + * map(win => win.pipe(take(2))), // each window has at most 2 emissions
  * mergeAll(), // flatten the Observable-of-Observables
  * );
  * result.subscribe(x => console.log(x));
  