/usr/include/paraview/Cosmo/ is in paraview-dev 4.0.1-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/paraview/Cosmo/BasicDefinition.h
/usr/include/paraview/Cosmo/ChainingMesh.h
/usr/include/paraview/Cosmo/CosmoDefinition.h
/usr/include/paraview/Cosmo/CosmoHalo.h
/usr/include/paraview/Cosmo/CosmoHaloFinder.h
/usr/include/paraview/Cosmo/CosmoHaloFinderP.h
/usr/include/paraview/Cosmo/FOFHaloProperties.h
/usr/include/paraview/Cosmo/HaloCenterFinder.h
/usr/include/paraview/Cosmo/Message.h
/usr/include/paraview/Cosmo/ParticleDistribute.h
/usr/include/paraview/Cosmo/ParticleExchange.h
/usr/include/paraview/Cosmo/Partition.h
/usr/include/paraview/Cosmo/winDirent.h