/usr/include/KF5/pimcommon/ is in libkf5pimcommon-dev 4:17.12.3-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/KF5/pimcommon/abstractgenericplugin.h
/usr/include/KF5/pimcommon/abstractgenericplugininterface.h
/usr/include/KF5/pimcommon/autocorrection.h
/usr/include/KF5/pimcommon/autocorrectionlanguage.h
/usr/include/KF5/pimcommon/autocorrectionwidget.h
/usr/include/KF5/pimcommon/configureimmutablewidgetutils.h
/usr/include/KF5/pimcommon/configureplugindialog.h
/usr/include/KF5/pimcommon/configurepluginslistwidget.h
/usr/include/KF5/pimcommon/configurepluginswidget.h
/usr/include/KF5/pimcommon/customtoolsplugin.h
/usr/include/KF5/pimcommon/customtoolsviewinterface.h
/usr/include/KF5/pimcommon/customtoolswidgetng.h
/usr/include/KF5/pimcommon/customtreeview.h
/usr/include/KF5/pimcommon/genericgrantleeformatter.h
/usr/include/KF5/pimcommon/genericplugin.h
/usr/include/KF5/pimcommon/genericpluginmanager.h
/usr/include/KF5/pimcommon/imapresourcesettings.h
/usr/include/KF5/pimcommon/kactionmenuchangecase.h
/usr/include/KF5/pimcommon/kpimprintpreviewdialog.h
/usr/include/KF5/pimcommon/lineeditwithautocorrection.h
/usr/include/KF5/pimcommon/lineeditwithcompleterng.h
/usr/include/KF5/pimcommon/logactivitiesmanager.h
/usr/include/KF5/pimcommon/metatype.h
/usr/include/KF5/pimcommon/migrateapplicationfiles.h
/usr/include/KF5/pimcommon/migratefileinfo.h
/usr/include/KF5/pimcommon/minimumcombobox.h
/usr/include/KF5/pimcommon/networkmanager.h
/usr/include/KF5/pimcommon/networkutil.h
/usr/include/KF5/pimcommon/pimcommon_debug.h
/usr/include/KF5/pimcommon/pimcommon_export.h
/usr/include/KF5/pimcommon/pimcommonsetting_base.h
/usr/include/KF5/pimcommon/pimcommonsettings.h
/usr/include/KF5/pimcommon/pimutil.h
/usr/include/KF5/pimcommon/pluginutil.h
/usr/include/KF5/pimcommon/renamefiledialog.h
/usr/include/KF5/pimcommon/richtexteditwithautocorrection.h
/usr/include/KF5/pimcommon/shareserviceurlmanager.h
/usr/include/KF5/pimcommon/sievesyntaxhighlighterutil.h
/usr/include/KF5/pimcommon/simplestringlisteditor.h
/usr/include/KF5/pimcommon/spellchecklineedit.h
/usr/include/KF5/pimcommon/templatelistwidget.h
/usr/include/KF5/pimcommon/templatemanager.h
/usr/include/KF5/pimcommon/translatorwidget.h
/usr/include/KF5/pimcommonakonadi/annotationdialog.h
/usr/include/KF5/pimcommonakonadi/checkedcollectionwidget.h
/usr/include/KF5/pimcommonakonadi/collectionaclpage.h
/usr/include/KF5/pimcommonakonadi/collectionannotationsattribute.h
/usr/include/KF5/pimcommonakonadi/collectiontypeutil.h
/usr/include/KF5/pimcommonakonadi/contenttypewidget.h
/usr/include/KF5/pimcommonakonadi/createresource.h
/usr/include/KF5/pimcommonakonadi/fetchrecursivecollectionsjob.h
/usr/include/KF5/pimcommonakonadi/genericplugininterface.h
/usr/include/KF5/pimcommonakonadi/imapaclattribute.h
/usr/include/KF5/pimcommonakonadi/imapresourcecapabilitiesmanager.h
/usr/include/KF5/pimcommonakonadi/incidencesforwidget.h
/usr/include/KF5/pimcommonakonadi/mailutil.h
/usr/include/KF5/pimcommonakonadi/manageserversidesubscriptionjob.h
/usr/include/KF5/pimcommonakonadi/pimcommonakonadi_debug.h
/usr/include/KF5/pimcommonakonadi/pimcommonakonadi_export.h
/usr/include/KF5/pimcommonakonadi/plugininterface.h
/usr/include/KF5/pimcommonakonadi/selectmulticollectiondialog.h