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