@Override
    public int compareTo(DontCompareMe o) {
      throw new AssertionFailedError();
    }
  }

  @SuppressWarnings({"deprecation", "InlineMeInliner"}) // test of a deprecated method
  public void testCompareBooleans() {
    assertThat(
            ComparisonChain.start()
                .compare(true, true)
                .compare(true, Boolean.TRUE)
                .compare(Boolean.TRUE, true)