GraphQL\Type\Definition\InterfaceType::__construct PHP Method

    public function __construct(array $config)
    {
        if (!isset($config['name'])) {
            $config['name'] = $this->tryInferName();
        }
        Config::validate($config, ['name' => Config::NAME, 'fields' => Config::arrayOf(FieldDefinition::getDefinition(), Config::KEY_AS_NAME | Config::MAYBE_THUNK | Config::MAYBE_TYPE), 'resolveType' => Config::CALLBACK, 'description' => Config::STRING]);
        $this->name = $config['name'];
        $this->description = isset($config['description']) ? $config['description'] : null;
        $this->config = $config;
    }

 public function __construct()
 {
     $config = ['name' => 'Node', 'fields' => ['id' => Types::id()], 'resolveType' => [$this, 'resolveNodeType']];
     parent::__construct($config);
 }