@Override
      public ListenableFuture<O> apply(I input) {
        return output;
      }
    };
  }

  @J2ktIncompatible // Wildcard generics
  public void testTransformAsync_genericsWildcard_AsyncFunction() throws Exception {
    ListenableFuture<?> nullFuture = immediateFuture(null);
    ListenableFuture<?> chainedFuture =

      @Override
      public ListenableFuture<O> apply(I input) {
        return output;
      }
    };
  }

  @J2ktIncompatible // Wildcard generics
  public void testTransformAsync_genericsWildcard_AsyncFunction() throws Exception {
    ListenableFuture<?> nullFuture = immediateFuture(null);
    ListenableFuture<?> chainedFuture =