File _service of Package qt4-private-headers-dev
<services> <service name="download_url"> <param name="host">download.qt-project.org</param> <param name="protocol">https</param> <param name="path">official_releases/qt/4.8/4.8.7/qt-everywhere-opensource-src-4.8.7.tar.gz</param> </service> </services>