def METHOD_NAME(self):
    # type: () -> MIBSymbol
    try:
        result = self._object_identity.getMibSymbol()  # type: Tuple[str, str, Sequence[ObjectName]]
    except SmiError as exc:
        raise UnresolvedOID(exc)
    mib, symbol, indexes = result
    prefix = tuple(index.prettyPrint() for index in indexes)
    return MIBSymbol(mib, symbol, prefix)