/usr/include/OpenMS/KERNEL/ is in libopenms-dev 1.11.1-5.
This file is owned by root:root, with mode 0o755.
..
/usr/include/OpenMS/KERNEL/AreaIterator.h
/usr/include/OpenMS/KERNEL/BaseFeature.h
/usr/include/OpenMS/KERNEL/ChromatogramPeak.h
/usr/include/OpenMS/KERNEL/ChromatogramTools.h
/usr/include/OpenMS/KERNEL/ComparatorUtils.h
/usr/include/OpenMS/KERNEL/ConsensusFeature.h
/usr/include/OpenMS/KERNEL/ConsensusMap.h
/usr/include/OpenMS/KERNEL/DPeak.h
/usr/include/OpenMS/KERNEL/DRichPeak.h
/usr/include/OpenMS/KERNEL/Feature.h
/usr/include/OpenMS/KERNEL/FeatureHandle.h
/usr/include/OpenMS/KERNEL/FeatureMap.h
/usr/include/OpenMS/KERNEL/MRMFeature.h
/usr/include/OpenMS/KERNEL/MRMTransitionGroup.h
/usr/include/OpenMS/KERNEL/MSChromatogram.h
/usr/include/OpenMS/KERNEL/MSExperiment.h
/usr/include/OpenMS/KERNEL/MSSpectrum.h
/usr/include/OpenMS/KERNEL/MassTrace.h
/usr/include/OpenMS/KERNEL/Peak1D.h
/usr/include/OpenMS/KERNEL/Peak2D.h
/usr/include/OpenMS/KERNEL/PeakIndex.h
/usr/include/OpenMS/KERNEL/RangeManager.h
/usr/include/OpenMS/KERNEL/RangeUtils.h
/usr/include/OpenMS/KERNEL/RichPeak1D.h
/usr/include/OpenMS/KERNEL/RichPeak2D.h
/usr/include/OpenMS/KERNEL/StandardTypes.h
/usr/include/OpenMS/KERNEL/sources.cmake