/usr/include/palabos/offLattice/ is in libplb-dev 1.5~r1+repack1-3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/palabos/offLattice/boundaryShapes3D.h
/usr/include/palabos/offLattice/boundaryShapes3D.hh
/usr/include/palabos/offLattice/bouzidiOffLatticeModel3D.h
/usr/include/palabos/offLattice/bouzidiOffLatticeModel3D.hh
/usr/include/palabos/offLattice/connectedTriangleSet.h
/usr/include/palabos/offLattice/connectedTriangleSet.hh
/usr/include/palabos/offLattice/domainClustering3D.h
/usr/include/palabos/offLattice/filippovaHaenel3D.h
/usr/include/palabos/offLattice/filippovaHaenel3D.hh
/usr/include/palabos/offLattice/flowToWall3D.h
/usr/include/palabos/offLattice/flowToWall3D.hh
/usr/include/palabos/offLattice/generalizedOffLatticeModel3D.h
/usr/include/palabos/offLattice/generalizedOffLatticeModel3D.hh
/usr/include/palabos/offLattice/guoAdvDiffOffLatticeModel3D.h
/usr/include/palabos/offLattice/guoAdvDiffOffLatticeModel3D.hh
/usr/include/palabos/offLattice/guoOffLatticeModel3D.h
/usr/include/palabos/offLattice/guoOffLatticeModel3D.hh
/usr/include/palabos/offLattice/headers2D.h
/usr/include/palabos/offLattice/headers2D.hh
/usr/include/palabos/offLattice/headers3D.h
/usr/include/palabos/offLattice/headers3D.hh
/usr/include/palabos/offLattice/immersedAdvectionDiffusionWalls3D.h
/usr/include/palabos/offLattice/immersedAdvectionDiffusionWalls3D.hh
/usr/include/palabos/offLattice/immersedWalls3D.h
/usr/include/palabos/offLattice/immersedWalls3D.hh
/usr/include/palabos/offLattice/makeSparse2D.h
/usr/include/palabos/offLattice/makeSparse2D.hh
/usr/include/palabos/offLattice/makeSparse3D.h
/usr/include/palabos/offLattice/makeSparse3D.hh
/usr/include/palabos/offLattice/marchingCube.h
/usr/include/palabos/offLattice/marchingCube.hh
/usr/include/palabos/offLattice/nextNeighbors3D.h
/usr/include/palabos/offLattice/nextNeighbors3D.hh
/usr/include/palabos/offLattice/offLatticeBoundaryCondition3D.h
/usr/include/palabos/offLattice/offLatticeBoundaryCondition3D.hh
/usr/include/palabos/offLattice/offLatticeBoundaryProcessor3D.h
/usr/include/palabos/offLattice/offLatticeBoundaryProcessor3D.hh
/usr/include/palabos/offLattice/offLatticeBoundaryProfiles3D.h
/usr/include/palabos/offLattice/offLatticeBoundaryProfiles3D.hh
/usr/include/palabos/offLattice/offLatticeModel3D.h
/usr/include/palabos/offLattice/offLatticeModel3D.hh
/usr/include/palabos/offLattice/triangleBoundary3D.h
/usr/include/palabos/offLattice/triangleBoundary3D.hh
/usr/include/palabos/offLattice/triangleHash.h
/usr/include/palabos/offLattice/triangleHash.hh
/usr/include/palabos/offLattice/triangleSet.h
/usr/include/palabos/offLattice/triangleSet.hh
/usr/include/palabos/offLattice/triangleSetGenerator.h
/usr/include/palabos/offLattice/triangleSetGenerator.hh
/usr/include/palabos/offLattice/triangleToDef.h
/usr/include/palabos/offLattice/triangleToDef.hh
/usr/include/palabos/offLattice/triangularSurfaceMesh.h
/usr/include/palabos/offLattice/triangularSurfaceMesh.hh
/usr/include/palabos/offLattice/voxelizer.h
/usr/include/palabos/offLattice/voxelizer.hh