def METHOD_NAME(self) -> t.List[str]:
    """
    get the set of API tokens for auth of the HMA API.
    Requires HMA_ACCESS_TOKEN_SECRET_NAME be present in environ
    else returns empty list.
    """
    secret_name = os.environ.get("HMA_ACCESS_TOKEN_SECRET_NAME")
    if not secret_name:
        logger.warning("Unable to load HMA_ACCESS_TOKEN_SECRET_NAME from env")
        return []
    access_tokens = self._get_str_secret(secret_name)
    return json.loads(access_tokens)