public static <T> RedistributeArbitrarily<T> arbitrarily() {
    return new RedistributeArbitrarily<>(null, false);
  }
@Test
  public void testArbitrarilyUrn() {
    assertThat(
        PTransformTranslation.urnForTransform(Redistribute.arbitrarily()),
        equalTo(REDISTRIBUTE_ARBITRARILY_URN));
  }