/usr/include/KF5/ is in libkf5itemmodels-dev 5.44.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/KF5/KItemModels/
/usr/include/KF5/KItemModels/KBreadcrumbSelectionModel
/usr/include/KF5/KItemModels/KCheckableProxyModel
/usr/include/KF5/KItemModels/KConcatenateRowsProxyModel
/usr/include/KF5/KItemModels/KDescendantsProxyModel
/usr/include/KF5/KItemModels/KExtraColumnsProxyModel
/usr/include/KF5/KItemModels/KLinkItemSelectionModel
/usr/include/KF5/KItemModels/KModelIndexProxyMapper
/usr/include/KF5/KItemModels/KRearrangeColumnsProxyModel
/usr/include/KF5/KItemModels/KRecursiveFilterProxyModel
/usr/include/KF5/KItemModels/KSelectionProxyModel
/usr/include/KF5/KItemModels/kbreadcrumbselectionmodel.h
/usr/include/KF5/KItemModels/kcheckableproxymodel.h
/usr/include/KF5/KItemModels/kconcatenaterowsproxymodel.h
/usr/include/KF5/KItemModels/kdescendantsproxymodel.h
/usr/include/KF5/KItemModels/kextracolumnsproxymodel.h
/usr/include/KF5/KItemModels/kitemmodels_export.h
/usr/include/KF5/KItemModels/klinkitemselectionmodel.h
/usr/include/KF5/KItemModels/kmodelindexproxymapper.h
/usr/include/KF5/KItemModels/krearrangecolumnsproxymodel.h
/usr/include/KF5/KItemModels/krecursivefilterproxymodel.h
/usr/include/KF5/KItemModels/kselectionproxymodel.h
/usr/include/KF5/kitemmodels_version.h