/usr/lib/GNUstep/Frameworks/ is in systempreferences.app 1.1.0-2build2.
This file is owned by root:root, with mode 0o755.
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/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/Headers
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/PreferencePanes
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/Resources
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/Versions/
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/Versions/1/
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/Versions/1/Headers
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/Versions/1/PreferencePanes
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/Versions/1/Resources
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/Versions/1/libPreferencePanes.so
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/Versions/1/libPreferencePanes.so.1
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/Versions/1/libPreferencePanes.so.1.0.0
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/Versions/Current
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/libPreferencePanes.so