}
        if (result.e != null) {
            uncheckedThrow(result.e);
            return null;
        } else {
            if (result.parent != null && modified != null) {
                modified.set(result.parent);
            }
            return result.source;
        }
    }

    static <T extends Throwable> void uncheckedThrow(Throwable t) throws T {
        throw (T) t; // rely on vacuous cast

        };

    // Expect no exception to be thrown
    sample.noneDeclared();
  }

  @J2ktIncompatible
  @GwtIncompatible // propagateIfPossible
  public void testPropagateIfPossible_NoneDeclared_UncheckedThrown() {
    Sample sample =
        new Sample() {
          @Override
          public void noneDeclared() {
            try {
              methodThatThrowsUnchecked();
            } catch (Throwable t) {

        };

    // Expect no exception to be thrown
    sample.noneDeclared();
  }

  @J2ktIncompatible
  @GwtIncompatible // propagateIfPossible
  public void testPropagateIfPossible_NoneDeclared_UncheckedThrown() {
    Sample sample =
        new Sample() {
          @Override
          public void noneDeclared() {
            try {
              methodThatThrowsUnchecked();
            } catch (Throwable t) {