/usr/share/ is in php-doctrine-instantiator 1.0.5-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/
/usr/share/doc/php-doctrine-instantiator/
/usr/share/php/
/usr/share/php/Doctrine/
/usr/share/php/Doctrine/Instantiator/
/usr/share/php/Doctrine/Instantiator/Instantiator.php
/usr/share/php/Doctrine/Instantiator/autoload.php
/usr/share/php/Doctrine/Instantiator/Exception/
/usr/share/php/Doctrine/Instantiator/Exception/ExceptionInterface.php
/usr/share/php/Doctrine/Instantiator/Exception/UnexpectedValueException.php
/usr/share/php/Doctrine/Instantiator/Exception/InvalidArgumentException.php
/usr/share/php/Doctrine/Instantiator/InstantiatorInterface.php
/usr/share/doc/php-doctrine-instantiator/copyright
/usr/share/doc/php-doctrine-instantiator/changelog.Debian.gz
/usr/share/doc/php-doctrine-instantiator/README.md