/usr/include/opencollada/COLLADABaseUtils/ is in opencollada-dev 0.1.0~20160714.0ec5063+dfsg1-2+b1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/opencollada/COLLADABaseUtils/COLLADABU.h
/usr/include/opencollada/COLLADABaseUtils/COLLADABUException.h
/usr/include/opencollada/COLLADABaseUtils/COLLADABUHashFunctions.h
/usr/include/opencollada/COLLADABaseUtils/COLLADABUIDList.h
/usr/include/opencollada/COLLADABaseUtils/COLLADABUNativeString.h
/usr/include/opencollada/COLLADABaseUtils/COLLADABUPcreCompiledPattern.h
/usr/include/opencollada/COLLADABaseUtils/COLLADABUPlatform.h
/usr/include/opencollada/COLLADABaseUtils/COLLADABUPrerequisites.h
/usr/include/opencollada/COLLADABaseUtils/COLLADABUStableHeaders.h
/usr/include/opencollada/COLLADABaseUtils/COLLADABUStringUtils.h
/usr/include/opencollada/COLLADABaseUtils/COLLADABUURI.h
/usr/include/opencollada/COLLADABaseUtils/COLLADABUUtils.h
/usr/include/opencollada/COLLADABaseUtils/COLLADABUhash_map.h
/usr/include/opencollada/COLLADABaseUtils/Math/
/usr/include/opencollada/COLLADABaseUtils/Math/COLLADABUMathMatrix3.h
/usr/include/opencollada/COLLADABaseUtils/Math/COLLADABUMathMatrix4.h
/usr/include/opencollada/COLLADABaseUtils/Math/COLLADABUMathPrerequisites.h
/usr/include/opencollada/COLLADABaseUtils/Math/COLLADABUMathQuaternion.h
/usr/include/opencollada/COLLADABaseUtils/Math/COLLADABUMathUtils.h
/usr/include/opencollada/COLLADABaseUtils/Math/COLLADABUMathVector3.h