what sweepStep() reads from the object
sweepStep()
fillBatchSize(env); one step queues at most one batch
fillBatchSize(env)
the per-path view counts the object keeps in memory; undefined when it has none yet
this.isUnstorable, so the terminating observation is read rather than re-derived
this.isUnstorable
Optional
what
sweepStep()reads from the object