/usr/share/php/XML/ is in php-xml-rpc2 1.1.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/XML/RPC2/
/usr/share/php/XML/RPC2/Backend/
/usr/share/php/XML/RPC2/Backend.php
/usr/share/php/XML/RPC2/Backend/Php/
/usr/share/php/XML/RPC2/Backend/Php/Client.php
/usr/share/php/XML/RPC2/Backend/Php/Request.php
/usr/share/php/XML/RPC2/Backend/Php/Response.php
/usr/share/php/XML/RPC2/Backend/Php/Server.php
/usr/share/php/XML/RPC2/Backend/Php/Value/
/usr/share/php/XML/RPC2/Backend/Php/Value.php
/usr/share/php/XML/RPC2/Backend/Php/Value/Array.php
/usr/share/php/XML/RPC2/Backend/Php/Value/Base64.php
/usr/share/php/XML/RPC2/Backend/Php/Value/Boolean.php
/usr/share/php/XML/RPC2/Backend/Php/Value/Datetime.php
/usr/share/php/XML/RPC2/Backend/Php/Value/Double.php
/usr/share/php/XML/RPC2/Backend/Php/Value/Integer.php
/usr/share/php/XML/RPC2/Backend/Php/Value/Integer64.php
/usr/share/php/XML/RPC2/Backend/Php/Value/Nil.php
/usr/share/php/XML/RPC2/Backend/Php/Value/Scalar.php
/usr/share/php/XML/RPC2/Backend/Php/Value/String.php
/usr/share/php/XML/RPC2/Backend/Php/Value/Struct.php
/usr/share/php/XML/RPC2/Backend/Xmlrpcext/
/usr/share/php/XML/RPC2/Backend/Xmlrpcext/Client.php
/usr/share/php/XML/RPC2/Backend/Xmlrpcext/Server.php
/usr/share/php/XML/RPC2/Backend/Xmlrpcext/Value.php
/usr/share/php/XML/RPC2/CachedClient.php
/usr/share/php/XML/RPC2/CachedServer.php
/usr/share/php/XML/RPC2/Client.php
/usr/share/php/XML/RPC2/ClientHelper.php
/usr/share/php/XML/RPC2/Exception.php
/usr/share/php/XML/RPC2/Server/
/usr/share/php/XML/RPC2/Server.php
/usr/share/php/XML/RPC2/Server/CallHandler/
/usr/share/php/XML/RPC2/Server/CallHandler.php
/usr/share/php/XML/RPC2/Server/CallHandler/Class.php
/usr/share/php/XML/RPC2/Server/CallHandler/Instance.php
/usr/share/php/XML/RPC2/Server/Input/
/usr/share/php/XML/RPC2/Server/Input.php
/usr/share/php/XML/RPC2/Server/Input/PhpInput.php
/usr/share/php/XML/RPC2/Server/Input/RawPostData.php
/usr/share/php/XML/RPC2/Server/Method.php
/usr/share/php/XML/RPC2/Util/
/usr/share/php/XML/RPC2/Util/HTTPRequest.php
/usr/share/php/XML/RPC2/Value.php