}
  }

  public void testTransform_ErrorAfterCancellation() throws Exception {
    class Transformer implements Function<Object, Object> {
      @SuppressWarnings("nullness:initialization.field.uninitialized")
      ListenableFuture<Object> output;

      @Override
      public Object apply(Object input) {
        output.cancel(false);
        throw new MyError();
      }
    }

    }
  }

  public void testTransform_ErrorAfterCancellation() throws Exception {
    class Transformer implements Function<Object, Object> {
      @SuppressWarnings("nullness:initialization.field.uninitialized")
      ListenableFuture<Object> output;

      @Override
      public Object apply(Object input) {
        output.cancel(false);
        throw new MyError();
      }
    }