/usr/share/doc/libgluegen2-java/com/jogamp/common/util/ is in libgluegen2-doc 2.1.5-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/ArrayHashSet.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/Bitstream.ByteArrayStream.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/Bitstream.ByteBufferStream.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/Bitstream.ByteInputStream.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/Bitstream.ByteOutputStream.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/Bitstream.ByteStream.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/Bitstream.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/FloatStack.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/Function.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/FunctionTask.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/HashUtil.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/IOUtil.ClassResources.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/IOUtil.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/IntBitfield.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/IntIntHashMap.Entry.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/IntIntHashMap.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/IntLongHashMap.Entry.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/IntLongHashMap.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/IntObjectHashMap.Entry.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/IntObjectHashMap.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/IntegerStack.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/JarUtil.Resolver.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/JarUtil.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/JogampVersion.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/LFRingbuffer.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/LongIntHashMap.Entry.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/LongIntHashMap.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/LongLongHashMap.Entry.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/LongLongHashMap.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/LongObjectHashMap.Entry.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/LongObjectHashMap.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/PrimitiveStack.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/PropertyAccess.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/ReflectionUtil.AWTNames.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/ReflectionUtil.MethodAccessor.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/ReflectionUtil.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/Ringbuffer.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/RunnableExecutor.CurrentThreadExecutor.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/RunnableExecutor.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/RunnableTask.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/SecurityUtil.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/SyncedRingbuffer.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/TaskBase.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/ValueConv.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/VersionNumber.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/VersionNumberString.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/VersionUtil.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/awt/
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/awt/AWTEDTExecutor.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/awt/package-frame.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/awt/package-summary.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/awt/package-tree.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/cache/
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/cache/TempCacheReg.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/cache/TempFileCache.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/cache/TempJarCache.LoadState.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/cache/TempJarCache.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/cache/package-frame.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/cache/package-summary.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/cache/package-tree.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/locks/
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/locks/Lock.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/locks/LockFactory.ImplType.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/locks/LockFactory.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/locks/RecursiveLock.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/locks/RecursiveThreadGroupLock.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/locks/SingletonInstance.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/locks/ThreadLock.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/locks/package-frame.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/locks/package-summary.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/locks/package-tree.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/package-frame.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/package-summary.html
/usr/share/doc/libgluegen2-java/com/jogamp/common/util/package-tree.html