code: def VFSMultiOpen(pathspecs, progress_callback=None):
    
    precondition.AssertIterableType(pathspecs, rdf_paths.PathSpec)
  
    vfs_open = functools.partial(VFSOpen, progress_callback=progress_callback)
    return context.MultiContext(map(vfs_open, pathspecs))
docs: Opens multiple files specified by given path-specs.
  
    See documentation for `VFSOpen` for more information.
  
    Args:
      pathspecs: A list of pathspec instances of files to open.
      progress_callback: A callback function to call to notify about progress
  
    Returns:
      A context manager yielding file-like objects.