/usr/share/php/Doctrine/ORM/Cache/Persister/ is in php-doctrine-orm 2.5.14+dfsg-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Doctrine/ORM/Cache/Persister/CachedPersister.php
/usr/share/php/Doctrine/ORM/Cache/Persister/Collection/
/usr/share/php/Doctrine/ORM/Cache/Persister/Collection/AbstractCollectionPersister.php
/usr/share/php/Doctrine/ORM/Cache/Persister/Collection/CachedCollectionPersister.php
/usr/share/php/Doctrine/ORM/Cache/Persister/Collection/NonStrictReadWriteCachedCollectionPersister.php
/usr/share/php/Doctrine/ORM/Cache/Persister/Collection/ReadOnlyCachedCollectionPersister.php
/usr/share/php/Doctrine/ORM/Cache/Persister/Collection/ReadWriteCachedCollectionPersister.php
/usr/share/php/Doctrine/ORM/Cache/Persister/Entity/
/usr/share/php/Doctrine/ORM/Cache/Persister/Entity/AbstractEntityPersister.php
/usr/share/php/Doctrine/ORM/Cache/Persister/Entity/CachedEntityPersister.php
/usr/share/php/Doctrine/ORM/Cache/Persister/Entity/NonStrictReadWriteCachedEntityPersister.php
/usr/share/php/Doctrine/ORM/Cache/Persister/Entity/ReadOnlyCachedEntityPersister.php
/usr/share/php/Doctrine/ORM/Cache/Persister/Entity/ReadWriteCachedEntityPersister.php