/usr/ is in libgrantlee-dev 0.4.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/cmake/
/usr/lib/cmake/grantlee/
/usr/lib/cmake/grantlee/GrantleeConfig.cmake
/usr/lib/cmake/grantlee/GrantleeConfigVersion.cmake
/usr/lib/cmake/grantlee/GrantleeUse.cmake
/usr/lib/cmake/grantlee/GrantleeTargets.cmake
/usr/lib/cmake/grantlee/GrantleeTargets-relwithdebinfo.cmake
/usr/share/
/usr/share/doc/
/usr/share/doc/libgrantlee-dev/
/usr/share/doc/libgrantlee-dev/copyright
/usr/include/
/usr/include/grantlee_textdocument.h
/usr/include/grantlee_templates.h
/usr/include/grantlee/
/usr/include/grantlee/taglibraryinterface.h
/usr/include/grantlee/variable.h
/usr/include/grantlee/rendercontext.h
/usr/include/grantlee/templateloader.h
/usr/include/grantlee/texthtmlbuilder.h
/usr/include/grantlee/abstractlocalizer.h
/usr/include/grantlee/filter.h
/usr/include/grantlee/plaintextmarkupbuilder.h
/usr/include/grantlee/grantlee_version.h
/usr/include/grantlee/node.h
/usr/include/grantlee/cachingloaderdecorator.h
/usr/include/grantlee/mediawikimarkupbuilder.h
/usr/include/grantlee/containeraccessor.h
/usr/include/grantlee/abstractmarkupbuilder.h
/usr/include/grantlee/parser.h
/usr/include/grantlee/safestring.h
/usr/include/grantlee/context.h
/usr/include/grantlee/grantlee_gui_export.h
/usr/include/grantlee/template.h
/usr/include/grantlee/token.h
/usr/include/grantlee/filterexpression.h
/usr/include/grantlee/metatype.h
/usr/include/grantlee/markupdirector.h
/usr/include/grantlee/util.h
/usr/include/grantlee/outputstream.h
/usr/include/grantlee/engine.h
/usr/include/grantlee/qtlocalizer.h
/usr/include/grantlee/exception.h
/usr/include/grantlee/bbcodebuilder.h
/usr/include/grantlee/grantlee_core_export.h
/usr/include/grantlee/typeaccessor.h
/usr/include/grantlee_core.h
/usr/lib/libgrantlee_gui.so
/usr/lib/libgrantlee_core.so
/usr/share/doc/libgrantlee-dev/changelog.Debian.gz