/usr/include/ is in libkdegames-dev 4:14.12.3-2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/KDE/KgSound
/usr/include/KDE/KgTheme
/usr/include/KDE/KgThemeProvider
/usr/include/KDE/KgThemeSelector
/usr/include/highscore/
/usr/include/KDE/
/usr/include/KDE/KExtHighscore
/usr/include/KDE/KGameClock
/usr/include/KDE/KGamePopupItem
/usr/include/KDE/KGameRenderedItem
/usr/include/KDE/KGameRenderedObjectItem
/usr/include/KDE/KGameRenderer
/usr/include/KDE/KGameRendererClient
/usr/include/KDE/KHighscore
/usr/include/KDE/KScoreDialog
/usr/include/KDE/KStandardGameAction
/usr/include/KDE/KgAudioScene
/usr/include/KDE/KgDeclarativeView
/usr/include/KDE/KgDifficulty
/usr/include/highscore/kexthighscore.h
/usr/include/highscore/kexthighscore_item.h
/usr/include/highscore/khighscore.h
/usr/include/highscore/kscoredialog.h
/usr/include/kgameclock.h
/usr/include/kgamepopupitem.h
/usr/include/kgamerendereditem.h
/usr/include/kgamerenderedobjectitem.h
/usr/include/kgamerenderer.h
/usr/include/kgamerendererclient.h
/usr/include/kgaudioscene.h
/usr/include/kgdeclarativeview.h
/usr/include/kgdifficulty.h
/usr/include/kgsound.h
/usr/include/kgtheme.h
/usr/include/kgthemeprovider.h
/usr/include/kgthemeselector.h
/usr/include/kstandardgameaction.h
/usr/include/libkdegames_capabilities.h
/usr/include/libkdegames_export.h
/usr/include/libkdegamesprivate/
/usr/include/libkdegamesprivate/kchatbase.h
/usr/include/libkdegamesprivate/kchatbaseitemdelegate.h
/usr/include/libkdegamesprivate/kchatbasemodel.h
/usr/include/libkdegamesprivate/kgame/
/usr/include/libkdegamesprivate/kgame/kgame.h
/usr/include/libkdegamesprivate/kgame/kgamechat.h
/usr/include/libkdegamesprivate/kgame/kgameerror.h
/usr/include/libkdegamesprivate/kgame/kgameio.h
/usr/include/libkdegamesprivate/kgame/kgamemessage.h
/usr/include/libkdegamesprivate/kgame/kgamenetwork.h
/usr/include/libkdegamesprivate/kgame/kgameproperty.h
/usr/include/libkdegamesprivate/kgame/kgamepropertyhandler.h
/usr/include/libkdegamesprivate/kgame/kgamesequence.h
/usr/include/libkdegamesprivate/kgame/kgameversion.h
/usr/include/libkdegamesprivate/kgame/kmessageclient.h
/usr/include/libkdegamesprivate/kgame/kmessageio.h
/usr/include/libkdegamesprivate/kgame/kmessageserver.h
/usr/include/libkdegamesprivate/kgame/kplayer.h
/usr/include/libkdegamesprivate/kgamecanvas.h
/usr/include/libkdegamesprivate/kgamedifficulty.h
/usr/include/libkdegamesprivate/kgamesvgdocument.h
/usr/include/libkdegamesprivate/kgametheme.h
/usr/include/libkdegamesprivate/kgamethemeselector.h
/usr/include/libkdegamesprivate/libkdegamesprivate_export.h