code: private static FileSystemView createDefaultView(
        Configuration config, JimfsFileStore fileStore, PathService pathService) throws IOException {
      JimfsPath workingDirPath = pathService.parsePath(config.workingDirectory);
  
      Directory dir = fileStore.getRoot(workingDirPath.root());
      if (dir == null) {
        throw new IllegalArgumentException("Invalid working dir path: " + workingDirPath);
      }
  
      for (Name name : workingDirPath.names()) {
        Directory newDir = fileStore.directoryCreator().get();
        fileStore.setInitialAttributes(newDir);
        dir.link(name, newDir);
  
        dir = newDir;
      }
  
      return new FileSystemView(fileStore, dir, workingDirPath);
    }
docs: Creates the default view of the file system using the given working directory.