/usr/ is in libapiextractor-dev 0.10.10-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/apiextractor/
/usr/share/
/usr/share/doc/
/usr/share/doc/libapiextractor-dev/
/usr/share/doc/libapiextractor-dev/copyright
/usr/include/apiextractor/typedatabase.h
/usr/include/apiextractor/typesystem.h
/usr/include/apiextractor/qtdocparser.h
/usr/include/apiextractor/doxygenparser.h
/usr/include/apiextractor/docparser.h
/usr/include/apiextractor/apiextractormacros.h
/usr/include/apiextractor/abstractmetalang.h
/usr/include/apiextractor/graph.h
/usr/include/apiextractor/reporthandler.h
/usr/include/apiextractor/include.h
/usr/include/apiextractor/apiextractor.h
/usr/include/apiextractor/fileout.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/apiextractor.pc
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/ApiExtractor-0.10.10/
/usr/lib/x86_64-linux-gnu/cmake/ApiExtractor-0.10.10/ApiExtractorConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/ApiExtractor-0.10.10/ApiExtractorConfig.cmake
/usr/share/doc/libapiextractor-dev/changelog.Debian.gz
/usr/lib/x86_64-linux-gnu/libapiextractor.so