def METHOD_NAME(self, ptypes: Sequence[Any]) -> Iterator[int]:
    """
    """
    default = self.accessors[PARAM_INTN]
    # count skipped slots
    si = sum(self.accessors.get(typ, default)[2] for typ in ptypes)
    while True:
        read, _, nslots = default
        yield read(si)
        si += nslots