/usr/include/OpenMS/DATASTRUCTURES/ is in libopenms-dev 1.11.1-5.
This file is owned by root:root, with mode 0o755.
..
/usr/include/OpenMS/DATASTRUCTURES/Adduct.h
/usr/include/OpenMS/DATASTRUCTURES/BigString.h
/usr/include/OpenMS/DATASTRUCTURES/BinaryTreeNode.h
/usr/include/OpenMS/DATASTRUCTURES/CVMappingRule.h
/usr/include/OpenMS/DATASTRUCTURES/CVMappingTerm.h
/usr/include/OpenMS/DATASTRUCTURES/CVMappings.h
/usr/include/OpenMS/DATASTRUCTURES/CVReference.h
/usr/include/OpenMS/DATASTRUCTURES/ChargePair.h
/usr/include/OpenMS/DATASTRUCTURES/Compomer.h
/usr/include/OpenMS/DATASTRUCTURES/ConstRefVector.h
/usr/include/OpenMS/DATASTRUCTURES/ConvexHull2D.h
/usr/include/OpenMS/DATASTRUCTURES/DBoundingBox.h
/usr/include/OpenMS/DATASTRUCTURES/DIntervalBase.h
/usr/include/OpenMS/DATASTRUCTURES/DPosition.h
/usr/include/OpenMS/DATASTRUCTURES/DRange.h
/usr/include/OpenMS/DATASTRUCTURES/DataValue.h
/usr/include/OpenMS/DATASTRUCTURES/Date.h
/usr/include/OpenMS/DATASTRUCTURES/DateTime.h
/usr/include/OpenMS/DATASTRUCTURES/DefaultParamHandler.h
/usr/include/OpenMS/DATASTRUCTURES/DistanceMatrix.h
/usr/include/OpenMS/DATASTRUCTURES/DoubleList.h
/usr/include/OpenMS/DATASTRUCTURES/GridFeature.h
/usr/include/OpenMS/DATASTRUCTURES/IntList.h
/usr/include/OpenMS/DATASTRUCTURES/IsotopeCluster.h
/usr/include/OpenMS/DATASTRUCTURES/LPWrapper.h
/usr/include/OpenMS/DATASTRUCTURES/Map.h
/usr/include/OpenMS/DATASTRUCTURES/MassExplainer.h
/usr/include/OpenMS/DATASTRUCTURES/Matrix.h
/usr/include/OpenMS/DATASTRUCTURES/Param.h
/usr/include/OpenMS/DATASTRUCTURES/QTCluster.h
/usr/include/OpenMS/DATASTRUCTURES/SeqanIncludeWrapper.h
/usr/include/OpenMS/DATASTRUCTURES/SparseVector.h
/usr/include/OpenMS/DATASTRUCTURES/String.h
/usr/include/OpenMS/DATASTRUCTURES/StringList.h
/usr/include/OpenMS/DATASTRUCTURES/SuffixArray.h
/usr/include/OpenMS/DATASTRUCTURES/SuffixArrayPeptideFinder.h
/usr/include/OpenMS/DATASTRUCTURES/SuffixArraySeqan.h
/usr/include/OpenMS/DATASTRUCTURES/SuffixArrayTrypticCompressed.h
/usr/include/OpenMS/DATASTRUCTURES/SuffixArrayTrypticSeqan.h
/usr/include/OpenMS/DATASTRUCTURES/ToolDescription.h
/usr/include/OpenMS/DATASTRUCTURES/sources.cmake