/usr/include/pcl-1.7/pcl/sample_consensus/ is in libpcl-dev 1.7.2-7.
This file is owned by root:root, with mode 0o755.
..
/usr/include/pcl-1.7/pcl/sample_consensus/boost.h
/usr/include/pcl-1.7/pcl/sample_consensus/eigen.h
/usr/include/pcl-1.7/pcl/sample_consensus/impl/
/usr/include/pcl-1.7/pcl/sample_consensus/impl/lmeds.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/mlesac.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/msac.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/prosac.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/ransac.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/rmsac.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/rransac.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/sac_model_circle.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/sac_model_circle3d.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/sac_model_cone.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/sac_model_cylinder.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/sac_model_line.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/sac_model_normal_parallel_plane.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/sac_model_normal_plane.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/sac_model_normal_sphere.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/sac_model_parallel_line.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/sac_model_parallel_plane.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/sac_model_perpendicular_plane.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/sac_model_plane.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/sac_model_registration.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/sac_model_registration_2d.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/sac_model_sphere.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/impl/sac_model_stick.hpp
/usr/include/pcl-1.7/pcl/sample_consensus/lmeds.h
/usr/include/pcl-1.7/pcl/sample_consensus/method_types.h
/usr/include/pcl-1.7/pcl/sample_consensus/mlesac.h
/usr/include/pcl-1.7/pcl/sample_consensus/model_types.h
/usr/include/pcl-1.7/pcl/sample_consensus/msac.h
/usr/include/pcl-1.7/pcl/sample_consensus/prosac.h
/usr/include/pcl-1.7/pcl/sample_consensus/ransac.h
/usr/include/pcl-1.7/pcl/sample_consensus/rmsac.h
/usr/include/pcl-1.7/pcl/sample_consensus/rransac.h
/usr/include/pcl-1.7/pcl/sample_consensus/sac.h
/usr/include/pcl-1.7/pcl/sample_consensus/sac_model.h
/usr/include/pcl-1.7/pcl/sample_consensus/sac_model_circle.h
/usr/include/pcl-1.7/pcl/sample_consensus/sac_model_circle3d.h
/usr/include/pcl-1.7/pcl/sample_consensus/sac_model_cone.h
/usr/include/pcl-1.7/pcl/sample_consensus/sac_model_cylinder.h
/usr/include/pcl-1.7/pcl/sample_consensus/sac_model_line.h
/usr/include/pcl-1.7/pcl/sample_consensus/sac_model_normal_parallel_plane.h
/usr/include/pcl-1.7/pcl/sample_consensus/sac_model_normal_plane.h
/usr/include/pcl-1.7/pcl/sample_consensus/sac_model_normal_sphere.h
/usr/include/pcl-1.7/pcl/sample_consensus/sac_model_parallel_line.h
/usr/include/pcl-1.7/pcl/sample_consensus/sac_model_parallel_plane.h
/usr/include/pcl-1.7/pcl/sample_consensus/sac_model_perpendicular_plane.h
/usr/include/pcl-1.7/pcl/sample_consensus/sac_model_plane.h
/usr/include/pcl-1.7/pcl/sample_consensus/sac_model_registration.h
/usr/include/pcl-1.7/pcl/sample_consensus/sac_model_registration_2d.h
/usr/include/pcl-1.7/pcl/sample_consensus/sac_model_sphere.h
/usr/include/pcl-1.7/pcl/sample_consensus/sac_model_stick.h