public String anonymize(final ParseTree tree) {
    return build(tree);
  }
@Test
  public void shouldAnonymizeUDFQueriesCorrectly() {
    final String output = anon.anonymize("CREATE STREAM OUTPUT AS SELECT ID, "
        + "REDUCE(numbers, 2, (s, x) => s + x) AS reduce FROM test;");

    Approvals.verify(output);
  }