/usr/include/pcl-1.7/pcl/search/ is in libpcl-dev 1.7.2-7.
This file is owned by root:root, with mode 0o755.
..
/usr/include/pcl-1.7/pcl/search/brute_force.h
/usr/include/pcl-1.7/pcl/search/flann_search.h
/usr/include/pcl-1.7/pcl/search/impl/
/usr/include/pcl-1.7/pcl/search/impl/brute_force.hpp
/usr/include/pcl-1.7/pcl/search/impl/flann_search.hpp
/usr/include/pcl-1.7/pcl/search/impl/kdtree.hpp
/usr/include/pcl-1.7/pcl/search/impl/organized.hpp
/usr/include/pcl-1.7/pcl/search/impl/search.hpp
/usr/include/pcl-1.7/pcl/search/kdtree.h
/usr/include/pcl-1.7/pcl/search/octree.h
/usr/include/pcl-1.7/pcl/search/organized.h
/usr/include/pcl-1.7/pcl/search/pcl_search.h
/usr/include/pcl-1.7/pcl/search/search.h