Jackalope\NodeType\NodeTypeManager::registerNodeTypes PHP Method

    public function registerNodeTypes(array $definitions, $allowUpdate)
    {
        $nts = array();
        // prepare them first (all or nothing)
        foreach ($definitions as $definition) {
            $nts[$definition->getName()] = $this->createNodeType($definition, $allowUpdate);
        }
        $this->objectManager->registerNodeTypes($definitions, $allowUpdate);
        // no need to fetch the node types as with cnd, we already have the def and can
        // now register them ourselves
        foreach ($nts as $nt) {
            $this->addNodeType($nt);
        }
        return new ArrayIterator($nts);
    }