docs: def _CheckIfPathIsValidForDeletion(path, prefix=None, directories=None):
    """Checks if given path is valid for deletion."""
    precondition.AssertType(path, Text)
    precondition.AssertType(prefix, Text)
  
    if prefix and os.path.basename(path).startswith(prefix):
      return True
  
    path = path.lower()
    for directory in directories or []:
      directory = directory.lower()
      if os.path.commonprefix([directory, path]) == directory:
        return True
    return False