/usr/share/php/Symfony/ is in php-symfony-http-foundation 3.4.6+dfsg-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Symfony/Component/
/usr/share/php/Symfony/Component/HttpFoundation/
/usr/share/php/Symfony/Component/HttpFoundation/AcceptHeader.php
/usr/share/php/Symfony/Component/HttpFoundation/AcceptHeaderItem.php
/usr/share/php/Symfony/Component/HttpFoundation/ApacheRequest.php
/usr/share/php/Symfony/Component/HttpFoundation/BinaryFileResponse.php
/usr/share/php/Symfony/Component/HttpFoundation/Cookie.php
/usr/share/php/Symfony/Component/HttpFoundation/Exception/
/usr/share/php/Symfony/Component/HttpFoundation/Exception/ConflictingHeadersException.php
/usr/share/php/Symfony/Component/HttpFoundation/Exception/RequestExceptionInterface.php
/usr/share/php/Symfony/Component/HttpFoundation/Exception/SuspiciousOperationException.php
/usr/share/php/Symfony/Component/HttpFoundation/ExpressionRequestMatcher.php
/usr/share/php/Symfony/Component/HttpFoundation/File/
/usr/share/php/Symfony/Component/HttpFoundation/File/Exception/
/usr/share/php/Symfony/Component/HttpFoundation/File/Exception/AccessDeniedException.php
/usr/share/php/Symfony/Component/HttpFoundation/File/Exception/FileException.php
/usr/share/php/Symfony/Component/HttpFoundation/File/Exception/FileNotFoundException.php
/usr/share/php/Symfony/Component/HttpFoundation/File/Exception/UnexpectedTypeException.php
/usr/share/php/Symfony/Component/HttpFoundation/File/Exception/UploadException.php
/usr/share/php/Symfony/Component/HttpFoundation/File/File.php
/usr/share/php/Symfony/Component/HttpFoundation/File/MimeType/
/usr/share/php/Symfony/Component/HttpFoundation/File/MimeType/ExtensionGuesser.php
/usr/share/php/Symfony/Component/HttpFoundation/File/MimeType/ExtensionGuesserInterface.php
/usr/share/php/Symfony/Component/HttpFoundation/File/MimeType/FileBinaryMimeTypeGuesser.php
/usr/share/php/Symfony/Component/HttpFoundation/File/MimeType/FileinfoMimeTypeGuesser.php
/usr/share/php/Symfony/Component/HttpFoundation/File/MimeType/MimeTypeExtensionGuesser.php
/usr/share/php/Symfony/Component/HttpFoundation/File/MimeType/MimeTypeGuesser.php
/usr/share/php/Symfony/Component/HttpFoundation/File/MimeType/MimeTypeGuesserInterface.php
/usr/share/php/Symfony/Component/HttpFoundation/File/Stream.php
/usr/share/php/Symfony/Component/HttpFoundation/File/UploadedFile.php
/usr/share/php/Symfony/Component/HttpFoundation/FileBag.php
/usr/share/php/Symfony/Component/HttpFoundation/HeaderBag.php
/usr/share/php/Symfony/Component/HttpFoundation/IpUtils.php
/usr/share/php/Symfony/Component/HttpFoundation/JsonResponse.php
/usr/share/php/Symfony/Component/HttpFoundation/ParameterBag.php
/usr/share/php/Symfony/Component/HttpFoundation/RedirectResponse.php
/usr/share/php/Symfony/Component/HttpFoundation/Request.php
/usr/share/php/Symfony/Component/HttpFoundation/RequestMatcher.php
/usr/share/php/Symfony/Component/HttpFoundation/RequestMatcherInterface.php
/usr/share/php/Symfony/Component/HttpFoundation/RequestStack.php
/usr/share/php/Symfony/Component/HttpFoundation/Response.php
/usr/share/php/Symfony/Component/HttpFoundation/ResponseHeaderBag.php
/usr/share/php/Symfony/Component/HttpFoundation/ServerBag.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/
/usr/share/php/Symfony/Component/HttpFoundation/Session/Attribute/
/usr/share/php/Symfony/Component/HttpFoundation/Session/Attribute/AttributeBag.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Attribute/AttributeBagInterface.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Attribute/NamespacedAttributeBag.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Flash/
/usr/share/php/Symfony/Component/HttpFoundation/Session/Flash/AutoExpireFlashBag.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Flash/FlashBag.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Flash/FlashBagInterface.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Session.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/SessionBagInterface.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/SessionBagProxy.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/SessionInterface.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/Handler/
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/Handler/AbstractSessionHandler.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/Handler/MemcacheSessionHandler.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/Handler/MemcachedSessionHandler.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/Handler/MongoDbSessionHandler.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/Handler/NativeFileSessionHandler.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/Handler/NativeSessionHandler.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/Handler/NullSessionHandler.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/Handler/PdoSessionHandler.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/Handler/StrictSessionHandler.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/Handler/WriteCheckSessionHandler.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/MetadataBag.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/MockArraySessionStorage.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/MockFileSessionStorage.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/PhpBridgeSessionStorage.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/Proxy/
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/Proxy/AbstractProxy.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/Proxy/NativeProxy.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/Proxy/SessionHandlerProxy.php
/usr/share/php/Symfony/Component/HttpFoundation/Session/Storage/SessionStorageInterface.php
/usr/share/php/Symfony/Component/HttpFoundation/StreamedResponse.php
/usr/share/php/Symfony/Component/HttpFoundation/autoload.php