/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
/usr/include/KF5/PimCommon/AbstractGenericPluginInterface
/usr/include/KF5/PimCommon/AutoCorrection
/usr/include/KF5/PimCommon/AutoCorrectionLanguage
/usr/include/KF5/PimCommon/AutoCorrectionWidget
/usr/include/KF5/PimCommon/ConfigureImmutableWidgetUtils
/usr/include/KF5/PimCommon/ConfigurePluginDialog
/usr/include/KF5/PimCommon/ConfigurePluginsListWidget
/usr/include/KF5/PimCommon/ConfigurePluginsWidget
/usr/include/KF5/PimCommon/CustomToolsPlugin
/usr/include/KF5/PimCommon/CustomToolsViewInterface
/usr/include/KF5/PimCommon/CustomToolsWidgetng
/usr/include/KF5/PimCommon/CustomTreeView
/usr/include/KF5/PimCommon/GenericGrantleeFormatter
/usr/include/KF5/PimCommon/GenericPlugin
/usr/include/KF5/PimCommon/GenericPluginManager
/usr/include/KF5/PimCommon/KActionMenuChangeCase
/usr/include/KF5/PimCommon/KPimPrintPreviewDialog
/usr/include/KF5/PimCommon/LineEditWithAutoCorrection
/usr/include/KF5/PimCommon/LineEditWithCompleterNg
/usr/include/KF5/PimCommon/LogActivitiesManager
/usr/include/KF5/PimCommon/MetaType
/usr/include/KF5/PimCommon/MigrateApplicationFiles
/usr/include/KF5/PimCommon/MigrateFileInfo
/usr/include/KF5/PimCommon/MinimumComboBox
/usr/include/KF5/PimCommon/NetworkManager
/usr/include/KF5/PimCommon/NetworkUtil
/usr/include/KF5/PimCommon/PimCommonSettings
/usr/include/KF5/PimCommon/PimUtil
/usr/include/KF5/PimCommon/PluginUtil
/usr/include/KF5/PimCommon/RenameFileDialog
/usr/include/KF5/PimCommon/RichTexteditWithAutoCorrection
/usr/include/KF5/PimCommon/ShareServiceUrlManager
/usr/include/KF5/PimCommon/SieveSyntaxHighlighterUtil
/usr/include/KF5/PimCommon/SimpleStringListEditor
/usr/include/KF5/PimCommon/SpellCheckLineEdit
/usr/include/KF5/PimCommon/TemplateListWidget
/usr/include/KF5/PimCommon/TemplateManager
/usr/include/KF5/PimCommon/TranslatorWidget
/usr/include/KF5/PimCommonAkonadi/AnnotationDialog
/usr/include/KF5/PimCommonAkonadi/CheckedCollectionWidget
/usr/include/KF5/PimCommonAkonadi/CollectionAclPage
/usr/include/KF5/PimCommonAkonadi/CollectionAnnotationsAttribute
/usr/include/KF5/PimCommonAkonadi/CollectionTypeUtil
/usr/include/KF5/PimCommonAkonadi/ContentTypeWidget
/usr/include/KF5/PimCommonAkonadi/CreateResource
/usr/include/KF5/PimCommonAkonadi/FetchRecursiveCollectionsJob
/usr/include/KF5/PimCommonAkonadi/GenericPluginInterface
/usr/include/KF5/PimCommonAkonadi/ImapAclAttribute
/usr/include/KF5/PimCommonAkonadi/ImapResourceCapabilitiesManager
/usr/include/KF5/PimCommonAkonadi/IncidencesForWidget
/usr/include/KF5/PimCommonAkonadi/MailUtil
/usr/include/KF5/PimCommonAkonadi/ManageServerSideSubscriptionJob
/usr/include/KF5/PimCommonAkonadi/PluginInterface
/usr/include/KF5/PimCommonAkonadi/SelectMultiCollectionDialog