@Override
  public Set<FSTFlags> getFlags() {
    return _flags;
  }
@Test
  public void testVersion5WithNumbers()
      throws IOException {
    try (InputStream inputStream = getClass().getClassLoader().getResourceAsStream("data/abc-numbers.native.fst")) {
      FST fst = FST.read(inputStream);
      assertTrue(fst.getFlags().contains(FSTFlags.NUMBERS));
      verifyContent(fst, _expected);
    }
  }