/usr/share/vtk/Modelling/Cxx/TestDelaunay3DAlpha.cxx is in vtk-examples 5.8.0-17.5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | #define main TestDelaunay3DAlpha
#include "Delaunay3DAlpha.cxx"
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