/usr/include/boost/bimap/relation/ is in libboost1.58-dev 1.58.0+dfsg-5ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/boost/bimap/relation/detail/
/usr/include/boost/bimap/relation/detail/access_builder.hpp
/usr/include/boost/bimap/relation/detail/metadata_access_builder.hpp
/usr/include/boost/bimap/relation/detail/mutant.hpp
/usr/include/boost/bimap/relation/detail/static_access_builder.hpp
/usr/include/boost/bimap/relation/detail/to_mutable_relation_functor.hpp
/usr/include/boost/bimap/relation/member_at.hpp
/usr/include/boost/bimap/relation/mutant_relation.hpp
/usr/include/boost/bimap/relation/pair_layout.hpp
/usr/include/boost/bimap/relation/structured_pair.hpp
/usr/include/boost/bimap/relation/support/
/usr/include/boost/bimap/relation/support/data_extractor.hpp
/usr/include/boost/bimap/relation/support/get.hpp
/usr/include/boost/bimap/relation/support/get_pair_functor.hpp
/usr/include/boost/bimap/relation/support/is_tag_of_member_at.hpp
/usr/include/boost/bimap/relation/support/member_with_tag.hpp
/usr/include/boost/bimap/relation/support/opposite_tag.hpp
/usr/include/boost/bimap/relation/support/pair_by.hpp
/usr/include/boost/bimap/relation/support/pair_type_by.hpp
/usr/include/boost/bimap/relation/support/value_type_of.hpp
/usr/include/boost/bimap/relation/symmetrical_base.hpp