/usr/include/gammaray/ is in gammaray-dev 2.7.0-1ubuntu8.
This file is owned by root:root, with mode 0o755.
..
/usr/include/gammaray/client/
/usr/include/gammaray/client/clientconnectionmanager.h
/usr/include/gammaray/client/gammaray_client_export.h
/usr/include/gammaray/common/
/usr/include/gammaray/common/endpoint.h
/usr/include/gammaray/common/enumdefinition.h
/usr/include/gammaray/common/enumrepository.h
/usr/include/gammaray/common/enumvalue.h
/usr/include/gammaray/common/gammaray_common_export.h
/usr/include/gammaray/common/metatypedeclarations.h
/usr/include/gammaray/common/modelroles.h
/usr/include/gammaray/common/objectbroker.h
/usr/include/gammaray/common/objectid.h
/usr/include/gammaray/common/objectidfilterproxymodel.h
/usr/include/gammaray/common/objectmodel.h
/usr/include/gammaray/common/paths.h
/usr/include/gammaray/common/probecontrollerinterface.h
/usr/include/gammaray/common/propertycontrollerinterface.h
/usr/include/gammaray/common/protocol.h
/usr/include/gammaray/common/sourcelocation.h
/usr/include/gammaray/common/translator.h
/usr/include/gammaray/core/
/usr/include/gammaray/core/enumrepositoryserver.h
/usr/include/gammaray/core/enumutil.h
/usr/include/gammaray/core/gammaray_core_export.h
/usr/include/gammaray/core/metaobject.h
/usr/include/gammaray/core/metaobjectrepository.h
/usr/include/gammaray/core/metaproperty.h
/usr/include/gammaray/core/objectdataprovider.h
/usr/include/gammaray/core/objectmodelbase.h
/usr/include/gammaray/core/objecttypefilterproxymodel.h
/usr/include/gammaray/core/probe.h
/usr/include/gammaray/core/probecontroller.h
/usr/include/gammaray/core/probeinterface.h
/usr/include/gammaray/core/propertycontroller.h
/usr/include/gammaray/core/propertycontrollerextension.h
/usr/include/gammaray/core/signalspycallbackset.h
/usr/include/gammaray/core/singlecolumnobjectproxymodel.h
/usr/include/gammaray/core/toolfactory.h
/usr/include/gammaray/core/util.h
/usr/include/gammaray/core/varianthandler.h
/usr/include/gammaray/launcher/
/usr/include/gammaray/launcher/gammaray_launcher_export.h
/usr/include/gammaray/launcher/launcher.h
/usr/include/gammaray/launcher/launchoptions.h
/usr/include/gammaray/launcher/networkdiscoverymodel.h
/usr/include/gammaray/launcher/probeabi.h
/usr/include/gammaray/launcher/probeabidetector.h
/usr/include/gammaray/launcher/probefinder.h
/usr/include/gammaray/ui/
/usr/include/gammaray/ui/clienttoolmanager.h
/usr/include/gammaray/ui/gammaray_ui_export.h
/usr/include/gammaray/ui/propertyeditordelegate.h
/usr/include/gammaray/ui/propertywidget.h
/usr/include/gammaray/ui/propertywidgettab.h
/usr/include/gammaray/ui/tooluifactory.h
/usr/include/gammaray/ui/uiintegration.h
/usr/include/gammaray/ui/uistatemanager.h