/usr/share/php/Doctrine/ORM/Internal/ 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/Internal/CommitOrderCalculator.php
/usr/share/php/Doctrine/ORM/Internal/Hydration/
/usr/share/php/Doctrine/ORM/Internal/Hydration/AbstractHydrator.php
/usr/share/php/Doctrine/ORM/Internal/Hydration/ArrayHydrator.php
/usr/share/php/Doctrine/ORM/Internal/Hydration/HydrationException.php
/usr/share/php/Doctrine/ORM/Internal/Hydration/IterableResult.php
/usr/share/php/Doctrine/ORM/Internal/Hydration/ObjectHydrator.php
/usr/share/php/Doctrine/ORM/Internal/Hydration/ScalarHydrator.php
/usr/share/php/Doctrine/ORM/Internal/Hydration/SimpleObjectHydrator.php
/usr/share/php/Doctrine/ORM/Internal/Hydration/SingleScalarHydrator.php
/usr/share/php/Doctrine/ORM/Internal/HydrationCompleteHandler.php