/usr/include/dune/functions/functionspacebases/ is in libdune-functions-dev 2.5.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/dune/functions/functionspacebases/basistags.hh
/usr/include/dune/functions/functionspacebases/bsplinebasis.hh
/usr/include/dune/functions/functionspacebases/compositebasis.hh
/usr/include/dune/functions/functionspacebases/concepts.hh
/usr/include/dune/functions/functionspacebases/defaultglobalbasis.hh
/usr/include/dune/functions/functionspacebases/defaultlocalindexset.hh
/usr/include/dune/functions/functionspacebases/defaultlocalview.hh
/usr/include/dune/functions/functionspacebases/defaultnodetorangemap.hh
/usr/include/dune/functions/functionspacebases/flatmultiindex.hh
/usr/include/dune/functions/functionspacebases/flatvectorbackend.hh
/usr/include/dune/functions/functionspacebases/hierarchicvectorwrapper.hh
/usr/include/dune/functions/functionspacebases/interpolate.hh
/usr/include/dune/functions/functionspacebases/lagrangebasis.hh
/usr/include/dune/functions/functionspacebases/lagrangedgbasis.hh
/usr/include/dune/functions/functionspacebases/nodes.hh
/usr/include/dune/functions/functionspacebases/powerbasis.hh
/usr/include/dune/functions/functionspacebases/pq1nodalbasis.hh
/usr/include/dune/functions/functionspacebases/pqknodalbasis.hh
/usr/include/dune/functions/functionspacebases/sizeinfo.hh
/usr/include/dune/functions/functionspacebases/subspacebasis.hh
/usr/include/dune/functions/functionspacebases/subspacelocalview.hh
/usr/include/dune/functions/functionspacebases/taylorhoodbasis.hh