class BillSecurity implements LegalEntitySecurity, ImmutableBean, Serializable {

  public static BillSecurity.Builder builder() {
    return new BillSecurity.Builder();
  }

  private  BillSecurity(
      SecurityInfo info,
      AdjustablePayment notional,
      DayCount dayCount,
      BillYieldConvention yieldConvention,
      LegalEntityId legalEntityId,
      DaysAdjustment settlementDateOffset);

}