@Override
public List<ObjectTypeDefinition> getChildObjectTypeDefinitions(ObjectTypeDefinition instance,
Object session) throws RepositoryAccessException {
try {
Session cmisSession = checkSession(session);
CmisObject node = cmisSession.getObject(CMISObjectId.getObjectId(instance.getUniqueRef()));
if (node instanceof ObjectType) {
ObjectType type = (ObjectType) node;
CMISModelMapper.fillChildObjectTypeDefinitions(instance, type);
return instance.getObjectTypeDefinition();
} else {