/usr/include/gammaray/common/ is in gammaray-dev 2.7.0-1ubuntu8.
This file is owned by root:root, with mode 0o755.
..
/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