ImportConfigurator example

    /** * @param string|string[]|null $exclude Glob patterns to exclude from the import */
    final public function import(string|array $resource, string $type = null, bool $ignoreErrors = false, string|array $exclude = null): ImportConfigurator
    {
        $this->loader->setCurrentDir(\dirname($this->path));

        $imported = $this->loader->import($resource, $type, $ignoreErrors, $this->file, $exclude) ?: [];
        if (!\is_array($imported)) {
            return new ImportConfigurator($this->collection, $imported);
        }

        $mergedCollection = new RouteCollection();
        foreach ($imported as $subCollection) {
            $mergedCollection->addCollection($subCollection);
        }

        return new ImportConfigurator($this->collection, $mergedCollection);
    }

    final public function collection(string $name = ''): CollectionConfigurator
    {

    /** * @param string|string[]|null $exclude Glob patterns to exclude from the import */
    final public function import(string|array $resource, string $type = null, bool $ignoreErrors = false, string|array $exclude = null): ImportConfigurator
    {
        $this->loader->setCurrentDir(\dirname($this->path));

        $imported = $this->loader->import($resource, $type, $ignoreErrors, $this->file, $exclude) ?: [];
        if (!\is_array($imported)) {
            return new ImportConfigurator($this->collection, $imported);
        }

        $mergedCollection = new RouteCollection();
        foreach ($imported as $subCollection) {
            $mergedCollection->addCollection($subCollection);
        }

        return new ImportConfigurator($this->collection, $mergedCollection);
    }

    final public function collection(string $name = ''): CollectionConfigurator
    {