message: docs(empty): Fixed broken syntax and import in example
diff: @@ -32,11 +32,11 @@ export const EMPTY = new Observable<never>(subscriber => subscriber.complete());
  *
  * ### Map and flatten only odd numbers to the sequence 'a', 'b', 'c'
  * ```ts
  - * import { empty, interval } from 'rxjs';
  + * import { empty, interval, of } from 'rxjs';
  * import { mergeMap } from 'rxjs/operators';
  *
  * const interval$ = interval(1000);
  - * result = interval$.pipe(
  + * const result = interval$.pipe(
  * mergeMap(x => x % 2 === 1 ? of('a', 'b', 'c') : empty()),
  * );
  * result.subscribe(x => console.log(x));
  