def METHOD_NAME(self, indent: int) -> str:
    out = ' ' * indent
    out += 'BaseLayer:\n'
    indent += 4
    out += ' ' * indent
    out += 'AutonomousSystems:\n'
    for _as in self.__ases.values():
        out += _as.METHOD_NAME(indent + 4)
    out += ' ' * indent
    out += 'InternetExchanges:\n'
    for _as in self.__ixes.values():
        out += _as.METHOD_NAME(indent + 4)
    return ou