code: @Override
      public FacilityMessage createFAC() {
          FacilityMessage msg = new FacilityMessageImpl(_FAC_HOLDER.mandatoryCodes,
                  _FAC_HOLDER.mandatoryVariableCodes, _FAC_HOLDER.optionalCodes, _FAC_HOLDER.mandatoryCodeToIndex,
                  _FAC_HOLDER.mandatoryVariableCodeToIndex, _FAC_HOLDER.optionalCodeToIndex);
  
          return msg;
      }
docs: /*
  (non-Javadoc)
  
  @see org.restcomm.protocols.ss7.isup.ISUPMessageFactory#createFAC()