class Encounter extends BaseChangeableOpenmrsData {

	public Set<Obs> getObsAtTopLevel(boolean includeVoided) {
	
		return getAllObs(includeVoided).stream()
				.filter(o -> o.getObsGroup() == null)
				.collect(Collectors.toCollection(LinkedHashSet::new));
	}

	public  Encounter();
	public  Encounter(Integer encounterId);

}