/usr/lib/GNUstep/ is in gnustep-gui-runtime 0.25.0-4+b1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/GNUstep/Services/GSspell.service/
/usr/lib/GNUstep/Applications/
/usr/lib/GNUstep/Applications/GSSpeechServer.app/
/usr/lib/GNUstep/Applications/GSSpeechServer.app/GSSpeechServer
/usr/lib/GNUstep/Applications/GSSpeechServer.app/Resources/
/usr/lib/GNUstep/Applications/GSSpeechServer.app/Resources/GSSpeechServer.desktop
/usr/lib/GNUstep/Applications/GSSpeechServer.app/Resources/Info-gnustep.plist
/usr/lib/GNUstep/Bundles/
/usr/lib/GNUstep/Bundles/AudioOutput.nssound/
/usr/lib/GNUstep/Bundles/AudioOutput.nssound/AudioOutput
/usr/lib/GNUstep/Bundles/AudioOutput.nssound/Resources/
/usr/lib/GNUstep/Bundles/AudioOutput.nssound/Resources/Info-gnustep.plist
/usr/lib/GNUstep/Bundles/GSPrinting/
/usr/lib/GNUstep/Bundles/GSPrinting/GSCUPS.bundle/
/usr/lib/GNUstep/Bundles/GSPrinting/GSCUPS.bundle/GSCUPS
/usr/lib/GNUstep/Bundles/GSPrinting/GSCUPS.bundle/Resources/
/usr/lib/GNUstep/Bundles/GSPrinting/GSCUPS.bundle/Resources/Info-gnustep.plist
/usr/lib/GNUstep/Bundles/GSPrinting/GSLPR.bundle/
/usr/lib/GNUstep/Bundles/GSPrinting/GSLPR.bundle/GSLPR
/usr/lib/GNUstep/Bundles/GSPrinting/GSLPR.bundle/Resources/
/usr/lib/GNUstep/Bundles/GSPrinting/GSLPR.bundle/Resources/Info-gnustep.plist
/usr/lib/GNUstep/Bundles/Sndfile.nssound/
/usr/lib/GNUstep/Bundles/Sndfile.nssound/Resources/
/usr/lib/GNUstep/Bundles/Sndfile.nssound/Resources/Info-gnustep.plist
/usr/lib/GNUstep/Bundles/Sndfile.nssound/Sndfile
/usr/lib/GNUstep/Bundles/TextConverters/
/usr/lib/GNUstep/Bundles/TextConverters/RTFConverter.bundle/
/usr/lib/GNUstep/Bundles/TextConverters/RTFConverter.bundle/RTFConverter
/usr/lib/GNUstep/Bundles/TextConverters/RTFConverter.bundle/Resources/
/usr/lib/GNUstep/Bundles/TextConverters/RTFConverter.bundle/Resources/Info-gnustep.plist
/usr/lib/GNUstep/Bundles/libgmodel.bundle/
/usr/lib/GNUstep/Bundles/libgmodel.bundle/Resources/
/usr/lib/GNUstep/Bundles/libgmodel.bundle/Resources/Info-gnustep.plist
/usr/lib/GNUstep/Bundles/libgmodel.bundle/libgmodel
/usr/lib/GNUstep/ColorPickers/
/usr/lib/GNUstep/ColorPickers/NamedPicker.bundle/
/usr/lib/GNUstep/ColorPickers/NamedPicker.bundle/NamedPicker
/usr/lib/GNUstep/ColorPickers/NamedPicker.bundle/Resources/
/usr/lib/GNUstep/ColorPickers/NamedPicker.bundle/Resources/Info-gnustep.plist
/usr/lib/GNUstep/ColorPickers/StandardPicker.bundle/
/usr/lib/GNUstep/ColorPickers/StandardPicker.bundle/Resources/
/usr/lib/GNUstep/ColorPickers/StandardPicker.bundle/Resources/English.lproj/
/usr/lib/GNUstep/ColorPickers/StandardPicker.bundle/Resources/English.lproj/StandardPicker.strings
/usr/lib/GNUstep/ColorPickers/StandardPicker.bundle/Resources/French.lproj/
/usr/lib/GNUstep/ColorPickers/StandardPicker.bundle/Resources/French.lproj/StandardPicker.strings
/usr/lib/GNUstep/ColorPickers/StandardPicker.bundle/Resources/Info-gnustep.plist
/usr/lib/GNUstep/ColorPickers/StandardPicker.bundle/Resources/Spanish.lproj/
/usr/lib/GNUstep/ColorPickers/StandardPicker.bundle/Resources/Spanish.lproj/StandardPicker.strings
/usr/lib/GNUstep/ColorPickers/StandardPicker.bundle/Resources/Swedish.lproj/
/usr/lib/GNUstep/ColorPickers/StandardPicker.bundle/Resources/Swedish.lproj/StandardPicker.strings
/usr/lib/GNUstep/ColorPickers/StandardPicker.bundle/StandardPicker
/usr/lib/GNUstep/ColorPickers/WheelPicker.bundle/
/usr/lib/GNUstep/ColorPickers/WheelPicker.bundle/Resources/
/usr/lib/GNUstep/ColorPickers/WheelPicker.bundle/Resources/Info-gnustep.plist
/usr/lib/GNUstep/ColorPickers/WheelPicker.bundle/WheelPicker
/usr/lib/GNUstep/Services/
/usr/lib/GNUstep/Services/GSspell.service/GSspell
/usr/lib/GNUstep/Services/GSspell.service/Resources/
/usr/lib/GNUstep/Services/GSspell.service/Resources/Info-gnustep.plist
/usr/lib/GNUstep/ColorPickers/NamedPicker.bundle/Resources/GSNamedColorPicker.tiff
/usr/lib/GNUstep/ColorPickers/StandardPicker.bundle/Resources/GSCMYKColorPicker.tiff
/usr/lib/GNUstep/ColorPickers/StandardPicker.bundle/Resources/GSGrayColorPicker.tiff
/usr/lib/GNUstep/ColorPickers/StandardPicker.bundle/Resources/GSHSBColorPicker.tiff
/usr/lib/GNUstep/ColorPickers/StandardPicker.bundle/Resources/GSRGBColorPicker.tiff
/usr/lib/GNUstep/ColorPickers/WheelPicker.bundle/Resources/GSWheelColorPicker.tiff