/usr/ is in libgrantlee5-dev 5.1.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/libgrantlee5-dev/
/usr/include/
/usr/include/grantlee/
/usr/include/grantlee/abstractlocalizer.h
/usr/include/grantlee/abstractmarkupbuilder.h
/usr/include/grantlee/bbcodebuilder.h
/usr/include/grantlee/cachingloaderdecorator.h
/usr/include/grantlee/context.h
/usr/include/grantlee/engine.h
/usr/include/grantlee/exception.h
/usr/include/grantlee/filter.h
/usr/include/grantlee/filterexpression.h
/usr/include/grantlee/grantlee_templates_export.h
/usr/include/grantlee/grantlee_textdocument_export.h
/usr/include/grantlee/grantlee_version.h
/usr/include/grantlee/markupdirector.h
/usr/include/grantlee/mediawikimarkupbuilder.h
/usr/include/grantlee/metatype.h
/usr/include/grantlee/node.h
/usr/include/grantlee/outputstream.h
/usr/include/grantlee/parser.h
/usr/include/grantlee/plaintextmarkupbuilder.h
/usr/include/grantlee/qtlocalizer.h
/usr/include/grantlee/rendercontext.h
/usr/include/grantlee/safestring.h
/usr/include/grantlee/taglibraryinterface.h
/usr/include/grantlee/template.h
/usr/include/grantlee/templateloader.h
/usr/include/grantlee/texthtmlbuilder.h
/usr/include/grantlee/token.h
/usr/include/grantlee/typeaccessor.h
/usr/include/grantlee/util.h
/usr/include/grantlee/variable.h
/usr/include/grantlee_templates.h
/usr/include/grantlee_textdocument.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/Grantlee5/
/usr/lib/x86_64-linux-gnu/cmake/Grantlee5/Grantlee5Config.cmake
/usr/lib/x86_64-linux-gnu/cmake/Grantlee5/Grantlee5ConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/Grantlee5/GrantleeMacros.cmake
/usr/lib/x86_64-linux-gnu/cmake/Grantlee5/GrantleeTargets-none.cmake
/usr/lib/x86_64-linux-gnu/cmake/Grantlee5/GrantleeTargets.cmake
/usr/share/doc/libgrantlee5-dev/changelog.Debian.gz
/usr/share/doc/libgrantlee5-dev/changelog.gz
/usr/share/doc/libgrantlee5-dev/copyright
/usr/lib/x86_64-linux-gnu/libGrantlee_Templates.so
/usr/lib/x86_64-linux-gnu/libGrantlee_TextDocument.so