/usr/include/dune/grid/common/ is in libdune-grid-dev 2.2.1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/dune/grid/common/adaptcallback.hh
/usr/include/dune/grid/common/backuprestore.hh
/usr/include/dune/grid/common/boundaryprojection.hh
/usr/include/dune/grid/common/boundarysegment.hh
/usr/include/dune/grid/common/capabilities.hh
/usr/include/dune/grid/common/datahandleif.hh
/usr/include/dune/grid/common/defaultgridview.hh
/usr/include/dune/grid/common/dynamicsubindexid.hh
/usr/include/dune/grid/common/entity.hh
/usr/include/dune/grid/common/entityiterator.hh
/usr/include/dune/grid/common/entitypointer.hh
/usr/include/dune/grid/common/exceptions.hh
/usr/include/dune/grid/common/genericreferenceelements.hh
/usr/include/dune/grid/common/geometry.hh
/usr/include/dune/grid/common/grid.hh
/usr/include/dune/grid/common/gridenums.hh
/usr/include/dune/grid/common/gridfactory.hh
/usr/include/dune/grid/common/gridinfo.hh
/usr/include/dune/grid/common/gridview.hh
/usr/include/dune/grid/common/hierarchiciterator.hh
/usr/include/dune/grid/common/indexidset.hh
/usr/include/dune/grid/common/intersection.hh
/usr/include/dune/grid/common/intersectioniterator.hh
/usr/include/dune/grid/common/intersectioniteratorwrapper.hh
/usr/include/dune/grid/common/leafiterator.hh
/usr/include/dune/grid/common/leveliterator.hh
/usr/include/dune/grid/common/mapper.hh
/usr/include/dune/grid/common/mcmgmapper.hh
/usr/include/dune/grid/common/quadraturerules/
/usr/include/dune/grid/common/quadraturerules.hh
/usr/include/dune/grid/common/quadraturerules/gaussquadrature.hh
/usr/include/dune/grid/common/quadraturerules/genericquadrature.hh
/usr/include/dune/grid/common/quadraturerules/lobattoquadrature.hh
/usr/include/dune/grid/common/refinement/
/usr/include/dune/grid/common/refinement.hh
/usr/include/dune/grid/common/refinement/base.cc
/usr/include/dune/grid/common/refinement/hcube.cc
/usr/include/dune/grid/common/refinement/hcubetriangulation.cc
/usr/include/dune/grid/common/refinement/prismtriangulation.cc
/usr/include/dune/grid/common/refinement/pyramidtriangulation.cc
/usr/include/dune/grid/common/refinement/simplex.cc
/usr/include/dune/grid/common/scsgmapper.hh
/usr/include/dune/grid/common/sizecache.hh
/usr/include/dune/grid/common/topologyfactory.hh
/usr/include/dune/grid/common/universalmapper.hh
/usr/include/dune/grid/common/virtualrefinement.cc
/usr/include/dune/grid/common/virtualrefinement.hh