/usr/share/php/Horde/ is in php-horde-syncml 2.0.6-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Horde/SyncMl/
/usr/share/php/Horde/SyncMl.php
/usr/share/php/Horde/SyncMl/Backend/
/usr/share/php/Horde/SyncMl/Backend.php
/usr/share/php/Horde/SyncMl/Backend/Horde.php
/usr/share/php/Horde/SyncMl/Backend/Sql.php
/usr/share/php/Horde/SyncMl/Command/
/usr/share/php/Horde/SyncMl/Command.php
/usr/share/php/Horde/SyncMl/Command/Alert.php
/usr/share/php/Horde/SyncMl/Command/Final.php
/usr/share/php/Horde/SyncMl/Command/Get.php
/usr/share/php/Horde/SyncMl/Command/Map.php
/usr/share/php/Horde/SyncMl/Command/Put.php
/usr/share/php/Horde/SyncMl/Command/Replace.php
/usr/share/php/Horde/SyncMl/Command/Results.php
/usr/share/php/Horde/SyncMl/Command/Status.php
/usr/share/php/Horde/SyncMl/Command/Sync.php
/usr/share/php/Horde/SyncMl/Command/SyncHdr.php
/usr/share/php/Horde/SyncMl/ContentHandler.php
/usr/share/php/Horde/SyncMl/DataStore.php
/usr/share/php/Horde/SyncMl/Device/
/usr/share/php/Horde/SyncMl/Device.php
/usr/share/php/Horde/SyncMl/Device/Nokia.php
/usr/share/php/Horde/SyncMl/Device/P800.php
/usr/share/php/Horde/SyncMl/Device/Sync4JMozilla.php
/usr/share/php/Horde/SyncMl/Device/Sync4j.php
/usr/share/php/Horde/SyncMl/Device/Synthesis.php
/usr/share/php/Horde/SyncMl/DeviceInfo.php
/usr/share/php/Horde/SyncMl/Property.php
/usr/share/php/Horde/SyncMl/PropertyParameter.php
/usr/share/php/Horde/SyncMl/State.php
/usr/share/php/Horde/SyncMl/Sync.php
/usr/share/php/Horde/SyncMl/SyncElement.php
/usr/share/php/Horde/SyncMl/Translation.php
/usr/share/php/Horde/SyncMl/XmlOutput.php