/usr/share/php/Symfony/ is in php-symfony-finder 2.7.10-0ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Symfony/Component/
/usr/share/php/Symfony/Component/Finder/
/usr/share/php/Symfony/Component/Finder/Adapter/
/usr/share/php/Symfony/Component/Finder/Adapter/AbstractAdapter.php
/usr/share/php/Symfony/Component/Finder/Adapter/AbstractFindAdapter.php
/usr/share/php/Symfony/Component/Finder/Adapter/AdapterInterface.php
/usr/share/php/Symfony/Component/Finder/Adapter/BsdFindAdapter.php
/usr/share/php/Symfony/Component/Finder/Adapter/GnuFindAdapter.php
/usr/share/php/Symfony/Component/Finder/Adapter/PhpAdapter.php
/usr/share/php/Symfony/Component/Finder/Comparator/
/usr/share/php/Symfony/Component/Finder/Comparator/Comparator.php
/usr/share/php/Symfony/Component/Finder/Comparator/DateComparator.php
/usr/share/php/Symfony/Component/Finder/Comparator/NumberComparator.php
/usr/share/php/Symfony/Component/Finder/Exception/
/usr/share/php/Symfony/Component/Finder/Exception/AccessDeniedException.php
/usr/share/php/Symfony/Component/Finder/Exception/AdapterFailureException.php
/usr/share/php/Symfony/Component/Finder/Exception/ExceptionInterface.php
/usr/share/php/Symfony/Component/Finder/Exception/OperationNotPermitedException.php
/usr/share/php/Symfony/Component/Finder/Exception/ShellCommandFailureException.php
/usr/share/php/Symfony/Component/Finder/Expression/
/usr/share/php/Symfony/Component/Finder/Expression/Expression.php
/usr/share/php/Symfony/Component/Finder/Expression/Glob.php
/usr/share/php/Symfony/Component/Finder/Expression/Regex.php
/usr/share/php/Symfony/Component/Finder/Expression/ValueInterface.php
/usr/share/php/Symfony/Component/Finder/Finder.php
/usr/share/php/Symfony/Component/Finder/Glob.php
/usr/share/php/Symfony/Component/Finder/Iterator/
/usr/share/php/Symfony/Component/Finder/Iterator/CustomFilterIterator.php
/usr/share/php/Symfony/Component/Finder/Iterator/DateRangeFilterIterator.php
/usr/share/php/Symfony/Component/Finder/Iterator/DepthRangeFilterIterator.php
/usr/share/php/Symfony/Component/Finder/Iterator/ExcludeDirectoryFilterIterator.php
/usr/share/php/Symfony/Component/Finder/Iterator/FilePathsIterator.php
/usr/share/php/Symfony/Component/Finder/Iterator/FileTypeFilterIterator.php
/usr/share/php/Symfony/Component/Finder/Iterator/FilecontentFilterIterator.php
/usr/share/php/Symfony/Component/Finder/Iterator/FilenameFilterIterator.php
/usr/share/php/Symfony/Component/Finder/Iterator/FilterIterator.php
/usr/share/php/Symfony/Component/Finder/Iterator/MultiplePcreFilterIterator.php
/usr/share/php/Symfony/Component/Finder/Iterator/PathFilterIterator.php
/usr/share/php/Symfony/Component/Finder/Iterator/RecursiveDirectoryIterator.php
/usr/share/php/Symfony/Component/Finder/Iterator/SizeRangeFilterIterator.php
/usr/share/php/Symfony/Component/Finder/Iterator/SortableIterator.php
/usr/share/php/Symfony/Component/Finder/Shell/
/usr/share/php/Symfony/Component/Finder/Shell/Command.php
/usr/share/php/Symfony/Component/Finder/Shell/Shell.php
/usr/share/php/Symfony/Component/Finder/SplFileInfo.php
/usr/share/php/Symfony/Component/Finder/autoload.php