/usr/lib/ is in libpreferencepanes-dev 1.2.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/GNUstep/
/usr/lib/GNUstep/Frameworks/
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/Versions/
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/Versions/1/
/usr/lib/libPreferencePanes.so
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/Headers
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/libPreferencePanes.so
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/PreferencePanes
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/Versions/Current
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/Versions/1/Headers
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/Versions/1/libPreferencePanes.so
/usr/lib/GNUstep/Frameworks/PreferencePanes.framework/Versions/1/PreferencePanes