/usr/include/palabos/multiBlock/ is in libplb-dev 1.5~r1+repack1-2build2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/palabos/multiBlock/blockCommunicator2D.h
/usr/include/palabos/multiBlock/blockCommunicator3D.h
/usr/include/palabos/multiBlock/combinedStatistics.h
/usr/include/palabos/multiBlock/defaultMultiBlockPolicy2D.h
/usr/include/palabos/multiBlock/defaultMultiBlockPolicy3D.h
/usr/include/palabos/multiBlock/domainManipulation2D.h
/usr/include/palabos/multiBlock/domainManipulation3D.h
/usr/include/palabos/multiBlock/headers2D.h
/usr/include/palabos/multiBlock/headers2D.hh
/usr/include/palabos/multiBlock/headers3D.h
/usr/include/palabos/multiBlock/headers3D.hh
/usr/include/palabos/multiBlock/localMultiBlockInfo2D.h
/usr/include/palabos/multiBlock/localMultiBlockInfo3D.h
/usr/include/palabos/multiBlock/multiBlock2D.h
/usr/include/palabos/multiBlock/multiBlock3D.h
/usr/include/palabos/multiBlock/multiBlockGenerator2D.h
/usr/include/palabos/multiBlock/multiBlockGenerator2D.hh
/usr/include/palabos/multiBlock/multiBlockGenerator3D.h
/usr/include/palabos/multiBlock/multiBlockGenerator3D.hh
/usr/include/palabos/multiBlock/multiBlockInfo2D.h
/usr/include/palabos/multiBlock/multiBlockInfo3D.h
/usr/include/palabos/multiBlock/multiBlockLattice2D.h
/usr/include/palabos/multiBlock/multiBlockLattice2D.hh
/usr/include/palabos/multiBlock/multiBlockLattice3D.h
/usr/include/palabos/multiBlock/multiBlockLattice3D.hh
/usr/include/palabos/multiBlock/multiBlockManagement2D.h
/usr/include/palabos/multiBlock/multiBlockManagement3D.h
/usr/include/palabos/multiBlock/multiBlockOperations2D.h
/usr/include/palabos/multiBlock/multiBlockOperations3D.h
/usr/include/palabos/multiBlock/multiBlockSerializer2D.h
/usr/include/palabos/multiBlock/multiBlockSerializer3D.h
/usr/include/palabos/multiBlock/multiContainerBlock2D.h
/usr/include/palabos/multiBlock/multiContainerBlock3D.h
/usr/include/palabos/multiBlock/multiDataField2D.h
/usr/include/palabos/multiBlock/multiDataField2D.hh
/usr/include/palabos/multiBlock/multiDataField3D.h
/usr/include/palabos/multiBlock/multiDataField3D.hh
/usr/include/palabos/multiBlock/multiDataProcessorWrapper2D.h
/usr/include/palabos/multiBlock/multiDataProcessorWrapper2D.hh
/usr/include/palabos/multiBlock/multiDataProcessorWrapper3D.h
/usr/include/palabos/multiBlock/multiDataProcessorWrapper3D.hh
/usr/include/palabos/multiBlock/nonLocalTransfer2D.h
/usr/include/palabos/multiBlock/nonLocalTransfer2D.hh
/usr/include/palabos/multiBlock/nonLocalTransfer3D.h
/usr/include/palabos/multiBlock/nonLocalTransfer3D.hh
/usr/include/palabos/multiBlock/redistribution3D.h
/usr/include/palabos/multiBlock/reductiveMultiDataProcessorWrapper2D.h
/usr/include/palabos/multiBlock/reductiveMultiDataProcessorWrapper2D.hh
/usr/include/palabos/multiBlock/reductiveMultiDataProcessorWrapper3D.h
/usr/include/palabos/multiBlock/reductiveMultiDataProcessorWrapper3D.hh
/usr/include/palabos/multiBlock/serialBlockCommunicator2D.h
/usr/include/palabos/multiBlock/serialBlockCommunicator3D.h
/usr/include/palabos/multiBlock/serialMultiBlockLattice2D.h
/usr/include/palabos/multiBlock/serialMultiBlockLattice2D.hh
/usr/include/palabos/multiBlock/serialMultiBlockLattice3D.h
/usr/include/palabos/multiBlock/serialMultiBlockLattice3D.hh
/usr/include/palabos/multiBlock/serialMultiDataField2D.h
/usr/include/palabos/multiBlock/serialMultiDataField2D.hh
/usr/include/palabos/multiBlock/serialMultiDataField3D.h
/usr/include/palabos/multiBlock/serialMultiDataField3D.hh
/usr/include/palabos/multiBlock/sparseBlockStructure2D.h
/usr/include/palabos/multiBlock/sparseBlockStructure3D.h
/usr/include/palabos/multiBlock/staticRepartitions2D.h
/usr/include/palabos/multiBlock/staticRepartitions3D.h
/usr/include/palabos/multiBlock/threadAttribution.h