/usr/share/php/Horde/Kolab/Server/Search/ is in php-horde-kolab-server 2.0.5-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Horde/Kolab/Server/Search/Base.php
/usr/share/php/Horde/Kolab/Server/Search/Interface.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/
/usr/share/php/Horde/Kolab/Server/Search/Operation/Addressesforuidormail.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/Attributes.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/Base.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/Children.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/Constraint/
/usr/share/php/Horde/Kolab/Server/Search/Operation/Constraint/Single.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/Constraint/Strict.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/Groupsformember.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/Guid.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/Guidforalias.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/Guidforcn.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/Guidforkolabusers.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/Guidformail.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/Guidformailoralias.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/Guidforuid.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/Guidforuidormail.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/Guidforuidormailoralias.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/Interface.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/Mailforuidormail.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/Restrictgroups.php
/usr/share/php/Horde/Kolab/Server/Search/Operation/Restrictkolab.php