/usr/include/dune/pdelab/gridfunctionspace/ is in libdune-pdelab-dev 2.5.0~rc1-2build1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/dune/pdelab/gridfunctionspace/compositegridfunctionspace.hh
/usr/include/dune/pdelab/gridfunctionspace/datahandleprovider.hh
/usr/include/dune/pdelab/gridfunctionspace/dunefunctionsgridfunctionspace.hh
/usr/include/dune/pdelab/gridfunctionspace/dunefunctionslfsindexcache.hh
/usr/include/dune/pdelab/gridfunctionspace/dunefunctionslocalfunctionspace.hh
/usr/include/dune/pdelab/gridfunctionspace/entityindexcache.hh
/usr/include/dune/pdelab/gridfunctionspace/genericdatahandle.hh
/usr/include/dune/pdelab/gridfunctionspace/gridfunctionadapter.hh
/usr/include/dune/pdelab/gridfunctionspace/gridfunctionspace.hh
/usr/include/dune/pdelab/gridfunctionspace/gridfunctionspacebase.hh
/usr/include/dune/pdelab/gridfunctionspace/gridfunctionspaceutilities.hh
/usr/include/dune/pdelab/gridfunctionspace/interpolate.hh
/usr/include/dune/pdelab/gridfunctionspace/lfsindexcache.hh
/usr/include/dune/pdelab/gridfunctionspace/loadbalance.hh
/usr/include/dune/pdelab/gridfunctionspace/localfunctionspace.hh
/usr/include/dune/pdelab/gridfunctionspace/localfunctionspacetags.hh
/usr/include/dune/pdelab/gridfunctionspace/localvector.hh
/usr/include/dune/pdelab/gridfunctionspace/powercompositegridfunctionspacebase.hh
/usr/include/dune/pdelab/gridfunctionspace/powergridfunctionspace.hh
/usr/include/dune/pdelab/gridfunctionspace/subspace.hh
/usr/include/dune/pdelab/gridfunctionspace/subspacelocalfunctionspace.hh
/usr/include/dune/pdelab/gridfunctionspace/tags.hh
/usr/include/dune/pdelab/gridfunctionspace/vectorgridfunctionspace.hh
/usr/include/dune/pdelab/gridfunctionspace/vtk.hh