/usr/include/boost/geometry/index/detail/rtree/node/ is in libboost1.55-dev 1.55.0+dfsg-3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/boost/geometry/index/detail/rtree/node/auto_deallocator.hpp
/usr/include/boost/geometry/index/detail/rtree/node/concept.hpp
/usr/include/boost/geometry/index/detail/rtree/node/dynamic_visitor.hpp
/usr/include/boost/geometry/index/detail/rtree/node/node.hpp
/usr/include/boost/geometry/index/detail/rtree/node/node_auto_ptr.hpp
/usr/include/boost/geometry/index/detail/rtree/node/node_d_mem_dynamic.hpp
/usr/include/boost/geometry/index/detail/rtree/node/node_d_mem_static.hpp
/usr/include/boost/geometry/index/detail/rtree/node/node_s_mem_dynamic.hpp
/usr/include/boost/geometry/index/detail/rtree/node/node_s_mem_static.hpp
/usr/include/boost/geometry/index/detail/rtree/node/pairs.hpp
/usr/include/boost/geometry/index/detail/rtree/node/static_visitor.hpp