/usr/include/KF5/Attica/Attica/ is in libkf5attica-dev 5.28.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/KF5/Attica/Attica/AccountBalance
/usr/include/KF5/Attica/Attica/Achievement
/usr/include/KF5/Attica/Attica/Activity
/usr/include/KF5/Attica/Attica/BuildService
/usr/include/KF5/Attica/Attica/BuildServiceJob
/usr/include/KF5/Attica/Attica/BuildServiceJobOutput
/usr/include/KF5/Attica/Attica/Category
/usr/include/KF5/Attica/Attica/Comment
/usr/include/KF5/Attica/Attica/Content
/usr/include/KF5/Attica/Attica/DeleteJob
/usr/include/KF5/Attica/Attica/Distribution
/usr/include/KF5/Attica/Attica/DownloadDescription
/usr/include/KF5/Attica/Attica/DownloadItem
/usr/include/KF5/Attica/Attica/Event
/usr/include/KF5/Attica/Attica/Folder
/usr/include/KF5/Attica/Attica/Forum
/usr/include/KF5/Attica/Attica/GetJob
/usr/include/KF5/Attica/Attica/HomePageEntry
/usr/include/KF5/Attica/Attica/HomePageType
/usr/include/KF5/Attica/Attica/Icon
/usr/include/KF5/Attica/Attica/ItemJob
/usr/include/KF5/Attica/Attica/KnowledgeBaseEntry
/usr/include/KF5/Attica/Attica/License
/usr/include/KF5/Attica/Attica/ListJob
/usr/include/KF5/Attica/Attica/Message
/usr/include/KF5/Attica/Attica/Metadata
/usr/include/KF5/Attica/Attica/Person
/usr/include/KF5/Attica/Attica/PostJob
/usr/include/KF5/Attica/Attica/PrivateData
/usr/include/KF5/Attica/Attica/Project
/usr/include/KF5/Attica/Attica/Provider
/usr/include/KF5/Attica/Attica/ProviderManager
/usr/include/KF5/Attica/Attica/Publisher
/usr/include/KF5/Attica/Attica/PublisherField
/usr/include/KF5/Attica/Attica/PutJob
/usr/include/KF5/Attica/Attica/RemoteAccount
/usr/include/KF5/Attica/Attica/Topic