code: def ValidateVfsPath(path):
    
  
    components = (path or "").lstrip("/").split("/")
    if not components:
      raise ValueError("Empty path is not a valid path: %s." %
                       utils.SmartStr(path))
  
    if components[0] not in ROOT_FILES_WHITELIST:
      raise ValueError(
          "First path component was '%s', but has to be one of %s" %
          (utils.SmartStr(components[0]), ", ".join(ROOT_FILES_WHITELIST)))
  
    return True
docs: Validates a VFS path.