class OzoneBlockTokenSecretManager extends
    OzoneSecretManager<OzoneBlockTokenIdentifier> {

  @Override
  public long renewToken(Token<OzoneBlockTokenIdentifier> token,
      String renewer) throws IOException {
    throw new UnsupportedOperationException("Renew token operation is not " +
        "supported for ozone block tokens.");
  }

  public  OzoneBlockTokenSecretManager(SecurityConfig conf,
      long blockTokenExpirytime, String omCertSerialId);

}