static ULabeledStatement create(CharSequence label, UStatement statement) {
    return new AutoValue_ULabeledStatement(StringName.of(label), (USimpleStatement) statement);
  }
@Test
  public void equality() {
    new EqualsTester()
        .addEqualityGroup(ULabeledStatement.create("foo", USkip.INSTANCE))
        .addEqualityGroup(ULabeledStatement.create("bar", USkip.INSTANCE))
        .addEqualityGroup(ULabeledStatement.create("bar", UBlock.create()))
        .testEquals();
  }