in src/main/java/org/apache/sling/resource/collection/impl/ResourceCollectionImpl.java [147:161]
public Iterator<Resource> getResources() {
ValueMap vm = membersResource.adaptTo(ValueMap.class);
String[] references = vm.get(ResourceCollectionConstants.REFERENCES_PROP, new String[] {});
List<Resource> resources = new ArrayList<>();
for (String path : references) {
Resource resource = resolver.getResource(path);
if (resource != null) {
resources.add(resource);
}
}
return resources.iterator();
}