private static class PathVisitor extends DirectorySnapshotterStatistics.CollectingFileVisitor {
        private final RelativePathTracker pathTracker = new RelativePathTracker();
        private final FilteredTrackingMerkleDirectorySnapshotBuilder builder;
        private final SnapshottingFilter.DirectoryWalkerPredicate predicate;
        private final AtomicBoolean hasBeenFiltered;
        private final FileHasher hasher;