/usr/share/php/propel/validator/ is in php-propel-runtime 1.6.9-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/propel/validator/BasicValidator.php
/usr/share/php/propel/validator/MatchValidator.php
/usr/share/php/propel/validator/MaxLengthValidator.php
/usr/share/php/propel/validator/MaxValueValidator.php
/usr/share/php/propel/validator/MinLengthValidator.php
/usr/share/php/propel/validator/MinValueValidator.php
/usr/share/php/propel/validator/NotMatchValidator.php
/usr/share/php/propel/validator/RequiredValidator.php
/usr/share/php/propel/validator/TypeValidator.php
/usr/share/php/propel/validator/UniqueValidator.php
/usr/share/php/propel/validator/ValidValuesValidator.php
/usr/share/php/propel/validator/ValidationFailed.php