/usr/include/casacore/lattices/LEL/ is in casacore-dev 2.2.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/casacore/lattices/LEL/LELArray.h
/usr/include/casacore/lattices/LEL/LELArray.tcc
/usr/include/casacore/lattices/LEL/LELArrayBase.h
/usr/include/casacore/lattices/LEL/LELAttribute.h
/usr/include/casacore/lattices/LEL/LELBinary.h
/usr/include/casacore/lattices/LEL/LELBinary.tcc
/usr/include/casacore/lattices/LEL/LELBinary2.h
/usr/include/casacore/lattices/LEL/LELBinaryEnums.h
/usr/include/casacore/lattices/LEL/LELCondition.h
/usr/include/casacore/lattices/LEL/LELCondition.tcc
/usr/include/casacore/lattices/LEL/LELConvert.h
/usr/include/casacore/lattices/LEL/LELConvert.tcc
/usr/include/casacore/lattices/LEL/LELCoordinates.h
/usr/include/casacore/lattices/LEL/LELFunction.h
/usr/include/casacore/lattices/LEL/LELFunction.tcc
/usr/include/casacore/lattices/LEL/LELFunction2.h
/usr/include/casacore/lattices/LEL/LELFunctionEnums.h
/usr/include/casacore/lattices/LEL/LELInterface.h
/usr/include/casacore/lattices/LEL/LELInterface.tcc
/usr/include/casacore/lattices/LEL/LELLattCoord.h
/usr/include/casacore/lattices/LEL/LELLattCoordBase.h
/usr/include/casacore/lattices/LEL/LELLattice.h
/usr/include/casacore/lattices/LEL/LELLattice.tcc
/usr/include/casacore/lattices/LEL/LELRegion.h
/usr/include/casacore/lattices/LEL/LELScalar.h
/usr/include/casacore/lattices/LEL/LELScalar.tcc
/usr/include/casacore/lattices/LEL/LELSpectralIndex.h
/usr/include/casacore/lattices/LEL/LELSpectralIndex.tcc
/usr/include/casacore/lattices/LEL/LELUnary.h
/usr/include/casacore/lattices/LEL/LELUnary.tcc
/usr/include/casacore/lattices/LEL/LELUnary2.h
/usr/include/casacore/lattices/LEL/LELUnaryEnums.h
/usr/include/casacore/lattices/LEL/LatticeExpr.h
/usr/include/casacore/lattices/LEL/LatticeExpr.tcc
/usr/include/casacore/lattices/LEL/LatticeExprNode.h