hunk.code_window:     if (observables.length === 1 && isArray(observables[0])) {
         observables = observables[0] as Observable<T>[];
       }
       return source.lift.call(raceStatic(source, ...(observables as Observable<T>[])));
     };
   }
hunk.labels: keep keep keep keep replace keep keep
hunk.after_edit:     return source.lift.call(
         raceStatic(source, ...(observables as Observable<T>[])),
         undefined
       ) as Observable<T>;
  
hunk.file_path: src/internal/operators/race.ts
hunk.type: replace
file: <mat-expansion-panel style="background: inherit">
    <mat-expansion-panel-header>
      {{title}}
    </mat-expansion-panel-header>
  
    <ng-content></ng-content>
  </mat-expansion-panel>
  