/usr/ is in php-zend-eventmanager 2.3.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/php/
/usr/share/php/Zend/
/usr/share/php/Zend/EventManager/
/usr/share/php/Zend/EventManager/SharedEventManager.php
/usr/share/php/Zend/EventManager/EventInterface.php
/usr/share/php/Zend/EventManager/ListenerAggregateTrait.php
/usr/share/php/Zend/EventManager/SharedEventManagerInterface.php
/usr/share/php/Zend/EventManager/ResponseCollection.php
/usr/share/php/Zend/EventManager/Event.php
/usr/share/php/Zend/EventManager/Exception/
/usr/share/php/Zend/EventManager/Exception/InvalidArgumentException.php
/usr/share/php/Zend/EventManager/Exception/InvalidCallbackException.php
/usr/share/php/Zend/EventManager/Exception/ExceptionInterface.php
/usr/share/php/Zend/EventManager/Exception/DomainException.php
/usr/share/php/Zend/EventManager/SharedEventAggregateAwareInterface.php
/usr/share/php/Zend/EventManager/EventManager.php
/usr/share/php/Zend/EventManager/ListenerAggregateInterface.php
/usr/share/php/Zend/EventManager/Filter/
/usr/share/php/Zend/EventManager/Filter/FilterIterator.php
/usr/share/php/Zend/EventManager/Filter/FilterInterface.php
/usr/share/php/Zend/EventManager/EventManagerAwareInterface.php
/usr/share/php/Zend/EventManager/FilterChain.php
/usr/share/php/Zend/EventManager/AbstractListenerAggregate.php
/usr/share/php/Zend/EventManager/SharedListenerAggregateInterface.php
/usr/share/php/Zend/EventManager/EventManagerInterface.php
/usr/share/php/Zend/EventManager/GlobalEventManager.php
/usr/share/php/Zend/EventManager/ProvidesEvents.php
/usr/share/php/Zend/EventManager/EventsCapableInterface.php
/usr/share/php/Zend/EventManager/SharedEventManagerAwareInterface.php
/usr/share/php/Zend/EventManager/StaticEventManager.php
/usr/share/php/Zend/EventManager/EventManagerAwareTrait.php
/usr/share/doc/
/usr/share/doc/php-zend-eventmanager/
/usr/share/doc/php-zend-eventmanager/copyright
/usr/share/doc/php-zend-eventmanager/changelog.gz
/usr/share/doc/php-zend-eventmanager/changelog.Debian.gz