@Override
    public final SnapshotHierarchy updateVfsOnBuildStarted(SnapshotHierarchy root, WatchMode watchMode, List<File> unsupportedFileSystems) {
        SnapshotHierarchy newRoot = watchableHierarchies.removeUnwatchableContentOnBuildStart(root, createInvalidator(), watchMode, unsupportedFileSystems);
        newRoot = invalidateMovedDirectoriesOnBuildStarted(newRoot);
        if (root != newRoot) {
            update(newRoot);
        }

                "You can override this by explicitly enabling file system watching.");
        }
        return invalidatedRoot;
    }

    @CheckReturnValue
    public SnapshotHierarchy removeUnwatchableContentOnBuildStart(SnapshotHierarchy root, Invalidator invalidator, WatchMode watchMode, List<File> unsupportedFileSystems) {
        SnapshotHierarchy newRoot = root;