private List filterExecutionPeriods(List<ExecutionPeriod> executionPeriods) {
private List filterExecutionPeriods(Collection<ExecutionPeriod> executionPeriods) {
    private List filterExecutionPeriods(List<ExecutionPeriod> executionPeriods) {        List filteredExecutionPeriods = new ArrayList();        for (ExecutionPeriod executionPeriod : executionPeriods) {            if (!executionPeriod.getState().equals(PeriodState.CLOSED)                    && !executionPeriod.getIdInternal().equals(1)) {                String label = executionPeriod.getName() + " - "                        + executionPeriod.getExecutionYear().getYear();                filteredExecutionPeriods.add(new LabelValueBean(label, executionPeriod.getIdInternal()                        .toString()));            }        }        return filteredExecutionPeriods;    }