getServicesFilePathArray example

    private function registerContainerFile(ContainerBuilder $container): void
    {
        $fileLocator = new FileLocator($this->getPath());
        $loaderResolver = new LoaderResolver([
            new XmlFileLoader($container, $fileLocator),
            new YamlFileLoader($container, $fileLocator),
            new PhpFileLoader($container, $fileLocator),
        ]);
        $delegatingLoader = new DelegatingLoader($loaderResolver);

        foreach ($this->getServicesFilePathArray($this->getPath() . '/Resources/config/services.*') as $path) {
            $delegatingLoader->load($path);
        }

        if ($container->getParameter('kernel.environment') === 'test') {
            foreach ($this->getServicesFilePathArray($this->getPath() . '/Resources/config/services_test.*') as $testPath) {
                $delegatingLoader->load($testPath);
            }
        }
    }

    /** * @return list<string> */