final NodeTypeDataValidator nodeTypeDataValidator = new NodeTypeDataValidator(this.nodeTypeRepository);
// convert to Node data.
final List<NodeTypeData> nodeTypes = nodeTypeConverter.convertFromValueToData(ntvalues);
// validate
nodeTypeDataValidator.validateNodeType(nodeTypes);
//registerNodeType(nodeTypes, alreadyExistsBehaviour);
nodeTypeRepository.registerNodeType(nodeTypes, this, accessControlPolicy, alreadyExistsBehaviour);
return nodeTypes;