.addEqualityGroup(new TypeToken<List<Integer>>() {}.method(setMethod))
        .addEqualityGroup(new TypeToken<List<String>>() {}.method(setMethod))
        .testEquals();
  }

  private interface Loser<E extends Throwable> {
    void lose() throws E;
  }

  public <T extends Loser<AssertionError>> void testMethod_exceptionTypes()

    new EqualsTester()
        .addEqualityGroup(cartesian, equivalent)
        .addEqualityGroup(different1)
        .addEqualityGroup(different2)
        .testEquals();
  }

  public void testCartesianProduct_unrelatedTypes() {
    Set<Integer> x = set(1, 2);
    Set<String> y = set("3", "4");

    List<Object> exp1 = list((Object) 1, "3");

        .addEqualityGroup(new TypeToken<List<Integer>>() {}.method(setMethod))
        .addEqualityGroup(new TypeToken<List<String>>() {}.method(setMethod))
        .testEquals();
  }

  private interface Loser<E extends Throwable> {
    void lose() throws E;
  }

  public <T extends Loser<AssertionError>> void testMethod_exceptionTypes()

    new EqualsTester()
        .addEqualityGroup(original, same)
        .addEqualityGroup(reverse)
        .addEqualityGroup(diff2)
        .testEquals();
  }

  public void testMapDifferencePredicateTypical() {
    Map<Integer, String> left = ImmutableMap.of(1, "a", 2, "b", 3, "c", 4, "d", 5, "e");

    new EqualsTester()
        .addEqualityGroup(original, same)
        .addEqualityGroup(reverse)
        .addEqualityGroup(diff2)
        .testEquals();
  }

  public void testMapDifferencePredicateTypical() {
    Map<Integer, String> left = ImmutableMap.of(1, "a", 2, "b", 3, "c", 4, "d", 5, "e");