/usr/lib/vtk-5.10/ is in libvtk5-dev 5.10.1+dfsg-2.1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/vtk-5.10/CMake/
/usr/lib/vtk-5.10/CMake/FindMySQL.cmake
/usr/lib/vtk-5.10/CMake/FindPythonLibs.cmake
/usr/lib/vtk-5.10/CMake/FindTCL.cmake
/usr/lib/vtk-5.10/CMake/VTKVersionMacros.cmake
/usr/lib/vtk-5.10/CMake/vtkExportKit.cmake
/usr/lib/vtk-5.10/CMake/vtkKit.cmake.in
/usr/lib/vtk-5.10/CMake/vtkMakeInstantiator.cmake
/usr/lib/vtk-5.10/CMake/vtkMakeInstantiator.cxx.in
/usr/lib/vtk-5.10/CMake/vtkMakeInstantiator.h.in
/usr/lib/vtk-5.10/CMake/vtkTclTkMacros.cmake
/usr/lib/vtk-5.10/CMake/vtkTestingObjectFactory.cmake
/usr/lib/vtk-5.10/CMake/vtkWrapJava.cmake
/usr/lib/vtk-5.10/CMake/vtkWrapPython.cmake
/usr/lib/vtk-5.10/CMake/vtkWrapTcl.cmake
/usr/lib/vtk-5.10/CMake/vtkWrapperInit.data.in
/usr/lib/vtk-5.10/UseVTK.cmake
/usr/lib/vtk-5.10/VTKBuildSettings.cmake
/usr/lib/vtk-5.10/VTKConfig.cmake
/usr/lib/vtk-5.10/VTKConfigVersion.cmake
/usr/lib/vtk-5.10/VTKTargets-release.cmake
/usr/lib/vtk-5.10/VTKTargets.cmake
/usr/lib/vtk-5.10/hints
/usr/lib/vtk-5.10/vtkChartsKit.cmake
/usr/lib/vtk-5.10/vtkCommonKit.cmake
/usr/lib/vtk-5.10/vtkFilteringKit.cmake
/usr/lib/vtk-5.10/vtkGenericFilteringKit.cmake
/usr/lib/vtk-5.10/vtkGeovisKit.cmake
/usr/lib/vtk-5.10/vtkGraphicsKit.cmake
/usr/lib/vtk-5.10/vtkHybridKit.cmake
/usr/lib/vtk-5.10/vtkIOKit.cmake
/usr/lib/vtk-5.10/vtkImagingKit.cmake
/usr/lib/vtk-5.10/vtkInfovisKit.cmake
/usr/lib/vtk-5.10/vtkParallelKit.cmake
/usr/lib/vtk-5.10/vtkRenderingKit.cmake
/usr/lib/vtk-5.10/vtkViewsKit.cmake
/usr/lib/vtk-5.10/vtkVolumeRenderingKit.cmake
/usr/lib/vtk-5.10/vtkWidgetsKit.cmake