libgsettings-qt-dev 0.1+17.10.20170824-9fakesync1 (amd64 binary) in ubuntu focal

 Libgsettings-qt provides Qt binding to GSettings, a high-level API
 for application settings. This library can be used to access GSettings from Qt
 applications.
 .
 This package contains the development files needed to build applications using
 the GSettings Qt library.