/usr/ is in libphononexperimental-dev 4:4.7.0really4.6.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/KDE/Phonon/
/usr/include/KDE/Phonon/Experimental/
/usr/share/
/usr/share/doc/
/usr/share/doc/libphononexperimental-dev/
/usr/share/doc/libphononexperimental-dev/copyright
/usr/include/
/usr/include/phonon/
/usr/include/phonon/experimental/
/usr/include/phonon/experimental/objectdescription.h
/usr/include/phonon/experimental/abstractaudiodataoutput.h
/usr/include/phonon/experimental/audiodataoutputinterface.h
/usr/include/phonon/experimental/videoframe.h
/usr/include/phonon/experimental/videowidget.h
/usr/include/phonon/experimental/globalconfig.h
/usr/include/phonon/experimental/videodataoutput.h
/usr/include/phonon/experimental/avcaptureinterface.h
/usr/include/phonon/experimental/videodataoutputinterface.h
/usr/include/phonon/experimental/videodataoutput2.h
/usr/include/phonon/experimental/snapshotinterface.h
/usr/include/phonon/experimental/phononnamespace.h
/usr/include/phonon/experimental/visualization.h
/usr/include/phonon/experimental/audiodataoutput.h
/usr/include/phonon/experimental/avcapture.h
/usr/include/phonon/experimental/audioformat.h
/usr/include/phonon/experimental/backendcapabilities.h
/usr/include/phonon/experimental/packetpool.h
/usr/include/phonon/experimental/mediasource.h
/usr/include/phonon/experimental/backendinterface.h
/usr/include/phonon/experimental/abstractvideodataoutput.h
/usr/include/phonon/experimental/videoframe2.h
/usr/include/phonon/experimental/packet.h
/usr/include/phonon/experimental/export.h
/usr/include/KDE/
/usr/include/KDE/Phonon/Experimental/VideoDataOutputInterface
/usr/include/KDE/Phonon/Experimental/Visualization
/usr/include/KDE/Phonon/Experimental/VideoFrame
/usr/include/KDE/Phonon/Experimental/AudioDataOutput
/usr/include/KDE/Phonon/Experimental/VideoFrame2
/usr/include/KDE/Phonon/Experimental/VideoDataOutput
/usr/include/KDE/Phonon/Experimental/AbstractVideoDataOutput
/usr/include/KDE/Phonon/Experimental/SnapshotInterface
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/share/doc/libphononexperimental-dev/changelog.Debian.gz
/usr/share/doc/libphononexperimental-dev/README.Debian
/usr/lib/x86_64-linux-gnu/libphononexperimental.so