def METHOD_NAME(self, element: Optional[Dict] = None) -> str:
    """convert dict element to the str representation of the underline configuration, if element is not None
       For example, for JsonFormat, the method return json string
       for PyhoconFormat, the method return pyhocon string
       for OmegaconfFormat, the method returns YAML string representation
       If the element is None, return the underline config to string presentation
    Args:
        element: Optional[Dict]. default to None. dictionary representation of config
    Returns:
        string representation of the configuration in given format for the element or config
    """