<?php/* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */namespaceSymfony\Component\Config;useSymfony\Component\Config\Exception\FileLocatorFileNotFoundException;/** * @author Fabien Potencier <fabien@symfony.com> */interfaceFileLocatorInterface{/** * Returns a full path for a given file name. * * @param string $name The file name to locate * @param string|null $currentPath The current path * @param bool $first Whether to return the first occurrence or an array of filenames * * @return string|array The full path to the file or an array of file paths * * @throws \InvalidArgumentException If $name is empty * @throws FileLocatorFileNotFoundException If a file is not found */publicfunctionlocate($name,$currentPath=null,$first=true);}