code: public DERObject toASN1Object()
     {
        ASN1EncodableVector dev = new ASN1EncodableVector();
        dev.add(policyQualifierId);
        dev.add(qualifier);
  
        return new DERSequence(dev);
     }
docs: Returns a DER-encodable representation of this instance.
  
  @return a <code>DERObject</code> value