/usr/include/OpenMS/COMPARISON/ is in libopenms-dev 1.11.1-5.
This file is owned by root:root, with mode 0o755.
..
/usr/include/OpenMS/COMPARISON/CLUSTERING/
/usr/include/OpenMS/COMPARISON/CLUSTERING/AverageLinkage.h
/usr/include/OpenMS/COMPARISON/CLUSTERING/ClusterAnalyzer.h
/usr/include/OpenMS/COMPARISON/CLUSTERING/ClusterFunctor.h
/usr/include/OpenMS/COMPARISON/CLUSTERING/ClusterHierarchical.h
/usr/include/OpenMS/COMPARISON/CLUSTERING/CompleteLinkage.h
/usr/include/OpenMS/COMPARISON/CLUSTERING/EuclideanSimilarity.h
/usr/include/OpenMS/COMPARISON/CLUSTERING/HashGrid.h
/usr/include/OpenMS/COMPARISON/CLUSTERING/HierarchicalClustering.h
/usr/include/OpenMS/COMPARISON/CLUSTERING/SILACClustering.h
/usr/include/OpenMS/COMPARISON/CLUSTERING/SingleLinkage.h
/usr/include/OpenMS/COMPARISON/CLUSTERING/sources.cmake
/usr/include/OpenMS/COMPARISON/SPECTRA/
/usr/include/OpenMS/COMPARISON/SPECTRA/BinnedSharedPeakCount.h
/usr/include/OpenMS/COMPARISON/SPECTRA/BinnedSpectralContrastAngle.h
/usr/include/OpenMS/COMPARISON/SPECTRA/BinnedSpectrum.h
/usr/include/OpenMS/COMPARISON/SPECTRA/BinnedSpectrumCompareFunctor.h
/usr/include/OpenMS/COMPARISON/SPECTRA/BinnedSumAgreeingIntensities.h
/usr/include/OpenMS/COMPARISON/SPECTRA/CompareFouriertransform.h
/usr/include/OpenMS/COMPARISON/SPECTRA/PeakAlignment.h
/usr/include/OpenMS/COMPARISON/SPECTRA/PeakSpectrumCompareFunctor.h
/usr/include/OpenMS/COMPARISON/SPECTRA/SpectraSTSimilarityScore.h
/usr/include/OpenMS/COMPARISON/SPECTRA/SpectrumAlignment.h
/usr/include/OpenMS/COMPARISON/SPECTRA/SpectrumAlignmentScore.h
/usr/include/OpenMS/COMPARISON/SPECTRA/SpectrumCheapDPCorr.h
/usr/include/OpenMS/COMPARISON/SPECTRA/SpectrumPrecursorComparator.h
/usr/include/OpenMS/COMPARISON/SPECTRA/SteinScottImproveScore.h
/usr/include/OpenMS/COMPARISON/SPECTRA/ZhangSimilarityScore.h
/usr/include/OpenMS/COMPARISON/SPECTRA/sources.cmake