class Tenor implements Comparable<Tenor>, Serializable {

  public BusinessDayTenor getBusinessDayTenor() {
    if (_businessDayTenor == null) {
      throw new IllegalStateException("Could not get business day tenor for " + toString());
    }
    return _businessDayTenor;
  }

  @Deprecated public  Tenor(final Period period);
  private  Tenor(final BusinessDayTenor businessDayTenor);

}