/usr/ is in libkf5solid-dev 5.44.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/KF5/Solid/
/usr/include/KF5/Solid/Solid/
/usr/include/KF5/Solid/solid/
/usr/include/
/usr/include/KF5/
/usr/include/KF5/Solid/Solid/Battery
/usr/include/KF5/Solid/Solid/Block
/usr/include/KF5/Solid/Solid/Camera
/usr/include/KF5/Solid/Solid/Device
/usr/include/KF5/Solid/Solid/DeviceInterface
/usr/include/KF5/Solid/Solid/DeviceNotifier
/usr/include/KF5/Solid/Solid/GenericInterface
/usr/include/KF5/Solid/Solid/NetworkShare
/usr/include/KF5/Solid/Solid/OpticalDisc
/usr/include/KF5/Solid/Solid/OpticalDrive
/usr/include/KF5/Solid/Solid/PortableMediaPlayer
/usr/include/KF5/Solid/Solid/Predicate
/usr/include/KF5/Solid/Solid/Processor
/usr/include/KF5/Solid/Solid/SolidNamespace
/usr/include/KF5/Solid/Solid/StorageAccess
/usr/include/KF5/Solid/Solid/StorageDrive
/usr/include/KF5/Solid/Solid/StorageVolume
/usr/include/KF5/Solid/solid/battery.h
/usr/include/KF5/Solid/solid/block.h
/usr/include/KF5/Solid/solid/camera.h
/usr/include/KF5/Solid/solid/device.h
/usr/include/KF5/Solid/solid/deviceinterface.h
/usr/include/KF5/Solid/solid/devicenotifier.h
/usr/include/KF5/Solid/solid/genericinterface.h
/usr/include/KF5/Solid/solid/networkshare.h
/usr/include/KF5/Solid/solid/opticaldisc.h
/usr/include/KF5/Solid/solid/opticaldrive.h
/usr/include/KF5/Solid/solid/portablemediaplayer.h
/usr/include/KF5/Solid/solid/predicate.h
/usr/include/KF5/Solid/solid/processor.h
/usr/include/KF5/Solid/solid/solid_export.h
/usr/include/KF5/Solid/solid/solidnamespace.h
/usr/include/KF5/Solid/solid/storageaccess.h
/usr/include/KF5/Solid/solid/storagedrive.h
/usr/include/KF5/Solid/solid/storagevolume.h
/usr/include/KF5/solid_version.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/KF5Solid/
/usr/lib/x86_64-linux-gnu/cmake/KF5Solid/KF5SolidConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Solid/KF5SolidConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Solid/KF5SolidTargets-debian.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Solid/KF5SolidTargets.cmake
/usr/lib/x86_64-linux-gnu/qt5/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/qt_Solid.pri
/usr/share/
/usr/share/doc/
/usr/share/doc/libkf5solid-dev/
/usr/share/doc/libkf5solid-dev/copyright
/usr/lib/x86_64-linux-gnu/libKF5Solid.so
/usr/share/doc/libkf5solid-dev/changelog.Debian.gz