public CodeableConcept addServiceRequested() { //3
      CodeableConcept t = new CodeableConcept();
      if (this.serviceRequested == null)
        this.serviceRequested = new ArrayList<CodeableConcept>();
      this.serviceRequested.add(t);
      return t;
    }
public CodeableConcept addServiceRequested ( ) { CodeableConcept t = new CodeableConcept ( ) ; if ( this . serviceRequested == null ) this . serviceRequested = new ArrayList < CodeableConcept > ( ) ; this . serviceRequested . add ( t ) ; return t ; }
syntactic sugar