@Override
  public Set<FSTFlags> getFlags() {
    return _flags;
  }
@Test
  public void testVersion5()
      throws IOException {
    try (InputStream inputStream = getClass().getClassLoader().getResourceAsStream("data/abc.native.fst")) {
      FST fst = FST.read(inputStream);
      assertFalse(fst.getFlags().contains(FSTFlags.NUMBERS));
      verifyContent(fst, _expected);
    }
  }