utils._check_bool(stream_intersection_mode)
self._stream_intersection_mode = stream_intersection_mode
self._begin_ns = _get_ns(begin)
self._end_ns = _get_ns(end)
utils._check_bool(stream_intersection_mode)
self._stream_intersection_mode = stream_intersection_mode
self._begin_ns = _get_ns(begin)
self._end_ns = _get_ns(end)