/usr/share/php/Horde/ is in php-horde-form 2.0.12-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Horde/Form/
/usr/share/php/Horde/Form.php
/usr/share/php/Horde/Form/Action/
/usr/share/php/Horde/Form/Action.php
/usr/share/php/Horde/Form/Action/ConditionalEnable.php
/usr/share/php/Horde/Form/Action/ConditionalSetValue.php
/usr/share/php/Horde/Form/Action/SumFields.php
/usr/share/php/Horde/Form/Action/reload.php
/usr/share/php/Horde/Form/Action/setcursorpos.php
/usr/share/php/Horde/Form/Action/submit.php
/usr/share/php/Horde/Form/Action/updatefield.php
/usr/share/php/Horde/Form/Renderer.php
/usr/share/php/Horde/Form/Translation.php
/usr/share/php/Horde/Form/Type/
/usr/share/php/Horde/Form/Type.php
/usr/share/php/Horde/Form/Type/tableset.php
/usr/share/php/Horde/Form/Variable.php