private static void updateCollectionColumnRepr(ObjectSpecification objectSpec, ColumnRepr columnRepr, Set<String> actionIdsOfAssociations) {
final List<ObjectAssociation> objectAssociations = collectionsOf(objectSpec);
columnRepr.collections = Maps.newLinkedHashMap();
for(ObjectAssociation assoc: objectAssociations) {
final MemberRepr memberRepr = newMemberRepr(objectSpec, assoc, actionIdsOfAssociations);
columnRepr.collections.put(assoc.getId(), memberRepr);
}
}