@staticmethod
def process(in_str, fname=None, config=None):
    """Process a string and return the new string.

        Args:
            in_str (:obj:`str`): The input string.
            fname (:obj:`str`, optional): The filename of this string. This is
                mostly for loading config files at runtime.
            config (:obj:`FluffConfig`): A specific config to use for this
                templating operation. Only necessary for some templaters.

        """
    return in_str
