/usr/ is in libkf5purpose-dev 5.44.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/
/usr/include/
/usr/include/KF5/
/usr/include/KF5/purpose/
/usr/include/KF5/purpose/Purpose/
/usr/include/KF5/purpose/Purpose/AlternativesModel
/usr/include/KF5/purpose/Purpose/Configuration
/usr/include/KF5/purpose/Purpose/Job
/usr/include/KF5/purpose/Purpose/PluginBase
/usr/include/KF5/purpose/purpose/
/usr/include/KF5/purpose/purpose/alternativesmodel.h
/usr/include/KF5/purpose/purpose/configuration.h
/usr/include/KF5/purpose/purpose/job.h
/usr/include/KF5/purpose/purpose/pluginbase.h
/usr/include/KF5/purpose/purpose/purpose_export.h
/usr/include/KF5/purpose/purpose_version.h
/usr/include/KF5/purposewidgets/
/usr/include/KF5/purposewidgets/PurposeWidgets/
/usr/include/KF5/purposewidgets/PurposeWidgets/Menu
/usr/include/KF5/purposewidgets/purposewidgets/
/usr/include/KF5/purposewidgets/purposewidgets/menu.h
/usr/include/KF5/purposewidgets/purposewidgets/purposewidgets_export.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/KDEExperimentalPurpose/
/usr/lib/x86_64-linux-gnu/cmake/KDEExperimentalPurpose/KDEExperimentalPurposeConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Purpose/
/usr/lib/x86_64-linux-gnu/cmake/KF5Purpose/KF5PurposeConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Purpose/KF5PurposeConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Purpose/KF5PurposeTargets-debian.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Purpose/KF5PurposeTargets.cmake
/usr/share/
/usr/share/doc/libkf5purpose-dev/
/usr/share/doc/libkf5purpose-dev/copyright
/usr/lib/x86_64-linux-gnu/libKF5Purpose.so
/usr/lib/x86_64-linux-gnu/libKF5PurposeWidgets.so
/usr/share/doc/libkf5purpose-dev/changelog.Debian.gz