code: public boolean isSameFile(JimfsPath path, FileSystemView view2, JimfsPath path2)
        throws IOException {
      if (!isSameFileSystem(view2)) {
        return false;
      }
  
      store.readLock().lock();
      try {
        File file = lookUp(path, Options.FOLLOW_LINKS).fileOrNull();
        File file2 = view2.lookUp(path2, Options.FOLLOW_LINKS).fileOrNull();
        return file != null && Objects.equals(file, file2);
      } finally {
        store.readLock().unlock();
      }
    }
docs: Returns whether or not the two given paths locate the same file. The second path is located
  using the given view rather than this file view.