/usr/include/paraview/vtksys/ is in paraview-dev 5.0.1+dfsg1-4.
This file is owned by root:root, with mode 0o755.
..
/usr/include/paraview/vtksys/Base64.h
/usr/include/paraview/vtksys/CommandLineArguments.hxx
/usr/include/paraview/vtksys/Configure.h
/usr/include/paraview/vtksys/Configure.hxx
/usr/include/paraview/vtksys/Directory.hxx
/usr/include/paraview/vtksys/DynamicLoader.hxx
/usr/include/paraview/vtksys/Encoding.h
/usr/include/paraview/vtksys/Encoding.hxx
/usr/include/paraview/vtksys/FStream.hxx
/usr/include/paraview/vtksys/Glob.hxx
/usr/include/paraview/vtksys/MD5.h
/usr/include/paraview/vtksys/Process.h
/usr/include/paraview/vtksys/RegularExpression.hxx
/usr/include/paraview/vtksys/SharedForward.h
/usr/include/paraview/vtksys/String.hxx
/usr/include/paraview/vtksys/System.h
/usr/include/paraview/vtksys/SystemInformation.hxx
/usr/include/paraview/vtksys/SystemTools.hxx
/usr/include/paraview/vtksys/auto_ptr.hxx
/usr/include/paraview/vtksys/hash_fun.hxx
/usr/include/paraview/vtksys/hash_map.hxx
/usr/include/paraview/vtksys/hash_set.hxx
/usr/include/paraview/vtksys/hashtable.hxx