def METHOD_NAME(self, username=None, password=None, su_path=None,
              password_prompt=None, incorrect_prompts=None, **kwargs):
    super(Stream, self).METHOD_NAME(**kwargs)
    if username is not None:
        self.username = username
    if password is not None:
        self.password = password
    if su_path is not None:
        self.su_path = su_path
    if password_prompt is not None:
        self.password_prompt = password_prompt.lower()
    if incorrect_prompts is not None:
        self.incorrect_prompts = map(str.lower, incorrect_prompts)