sequencer items and stores them in its table indexed by name. Secondly,
it gathers CONSTRAINTS, which impose an ordering on the items. Thirdly,
it can be instructed to invoke the items in an order compatible with the
sequencer items and stores them in its table indexed by name. Secondly,
it gathers CONSTRAINTS, which impose an ordering on the items. Thirdly,
it can be instructed to invoke the items in an order compatible with the