def METHOD_NAME(self, type: str, urn: str) -> None:
    """
    Adds an urn into the list used for tracking the type.
    :param type: Deprecated parameter, has no effect.
    :param urn: The urn string
    """
    # TODO: Deprecate the `type` parameter and remove it.
    if urn not in self._urns_set:
        self.urns.append(urn)
        self._urns_set.add(urn)