public Integer enrolmentPolicyNewGroup(IGrouping grouping,int numberOfStudentsToEnrole,IShift shift) throws ExcepcaoPersistencia;
public Integer enrolmentPolicyNewGroup(IGrouping grouping,int numberOfStudentsToEnrole,IShift shift);
	public Integer enrolmentPolicyNewGroup(IGrouping grouping,int numberOfStudentsToEnrole,IShift shift) throws ExcepcaoPersistencia;