anchor.diff:  
     List holidayBalances = [];
   
  -  Employee employee;
  +  Employee _employee;
   
     bool needsmanualAdd = true;
  +
  +  set employee(Employee employee) {
  +    if (employee.id == null) {
  +      return;
  +    }
  +    this._employee = employee;
  +    this.context.onSwitch((Employee employee) => this.employee = employee);
  +    this.reload();
  +  }
  +
  +  get employee => this._employee;
   
     reload({Map<String, dynamic> params, bool evict: false}) async {
       this.entities = [];
  
positive.code:   }
  
    attach() {
      this.reload();
    }
  
    createEntity({var newEnt, Map<String, dynamic> params: const {}}) {
  
negative.code:     })
  class PeriodOverviewComponent extends EntityOverview implements ScopeAware {
    PeriodOverviewComponent(DataCache store, SettingsManager manager, StatusService status, this.context)
        : super(Period, store, '', manager, status) {}
  
    cEnt({Period entity}) {
      if (entity != null) {
  