/usr/include/qt4/QtDBus/ is in libqt4-dev 4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/qt4/QtDBus/QDBusAbstractAdaptor
/usr/include/qt4/QtDBus/QDBusAbstractInterface
/usr/include/qt4/QtDBus/QDBusAbstractInterfaceBase
/usr/include/qt4/QtDBus/QDBusArgument
/usr/include/qt4/QtDBus/QDBusConnection
/usr/include/qt4/QtDBus/QDBusConnectionInterface
/usr/include/qt4/QtDBus/QDBusContext
/usr/include/qt4/QtDBus/QDBusError
/usr/include/qt4/QtDBus/QDBusInterface
/usr/include/qt4/QtDBus/QDBusMessage
/usr/include/qt4/QtDBus/QDBusMetaType
/usr/include/qt4/QtDBus/QDBusObjectPath
/usr/include/qt4/QtDBus/QDBusPendingCall
/usr/include/qt4/QtDBus/QDBusPendingCallWatcher
/usr/include/qt4/QtDBus/QDBusPendingReply
/usr/include/qt4/QtDBus/QDBusPendingReplyData
/usr/include/qt4/QtDBus/QDBusReply
/usr/include/qt4/QtDBus/QDBusServer
/usr/include/qt4/QtDBus/QDBusServiceWatcher
/usr/include/qt4/QtDBus/QDBusSignature
/usr/include/qt4/QtDBus/QDBusUnixFileDescriptor
/usr/include/qt4/QtDBus/QDBusVariant
/usr/include/qt4/QtDBus/QDBusVirtualObject
/usr/include/qt4/QtDBus/QtDBus
/usr/include/qt4/QtDBus/qdbusabstractadaptor.h
/usr/include/qt4/QtDBus/qdbusabstractinterface.h
/usr/include/qt4/QtDBus/qdbusargument.h
/usr/include/qt4/QtDBus/qdbusconnection.h
/usr/include/qt4/QtDBus/qdbusconnectioninterface.h
/usr/include/qt4/QtDBus/qdbuscontext.h
/usr/include/qt4/QtDBus/qdbuserror.h
/usr/include/qt4/QtDBus/qdbusextratypes.h
/usr/include/qt4/QtDBus/qdbusinterface.h
/usr/include/qt4/QtDBus/qdbusmacros.h
/usr/include/qt4/QtDBus/qdbusmessage.h
/usr/include/qt4/QtDBus/qdbusmetatype.h
/usr/include/qt4/QtDBus/qdbuspendingcall.h
/usr/include/qt4/QtDBus/qdbuspendingreply.h
/usr/include/qt4/QtDBus/qdbusreply.h
/usr/include/qt4/QtDBus/qdbusserver.h
/usr/include/qt4/QtDBus/qdbusservicewatcher.h
/usr/include/qt4/QtDBus/qdbusunixfiledescriptor.h
/usr/include/qt4/QtDBus/qdbusvirtualobject.h