Number of items to gather for a chunk. 'elapsed' and 'quantity' is ORed. Meaning a chunk will the minimum of 'elapsed' and 'quantity'
If true (default) remaining results are yielded
if source closes. If false, only chunks that meet
elapsed or quantity are emitted.
Amount of time to gather results for a chunk. 'elapsed' and 'quantity' is ORed. Meaning a chunk will the minimum of 'elapsed' and 'quantity'