public String anonymize(final ParseTree tree) {
    return build(tree);
  }
@Test
  public void shouldAnonymizeCreateStreamAsQueryCorrectly() {
    final String output = anon.anonymize(
        "CREATE STREAM my_stream AS SELECT user_id, browser_cookie, ip_address\n"
            + "FROM another_stream\n"
            + "WHERE user_id = 4214\n"
            + "AND browser_cookie = 'aefde34ec'\n"
            + "AND ip_address = '10.10.0.2';");

    Approvals.verify(output);
  }