text: public String toFormulaString() {if(semiVolatile.isSet(_options)) {return "ATTR(semiVolatile)";}if(optiIf.isSet(_options)) {return "IF";}if( optiChoose.isSet(_options)) {return "CHOOSE";}if(optiSkip.isSet(_options)) {return "";}if(optiSum.isSet(_options)) {return "SUM";}if(baxcel.isSet(_options)) {return "ATTR(baxcel)";}if(space.isSet(_options)) {return "";}return "UNKNOWN ATTRIBUTE";}