private function createStandardTypes(): void
    {
        foreach ($this->getStandardTypes() as $type) {
            /** @var Definition|mixed $instance */
            $instance = new $type($this);

            if ($instance instanceof TypeDefinition) {
                $this->types[$instance->getName()] = $instance;
            } else {
                $this->definitions[] = $instance;
            }
        }
    }