!

Broker

!!

Broker

%

Duration

*

Duration StorageUnit

**::

Spool ~~Syntax1~~

*::

Spool Syntax

+

StorageUnit TimeLike

++

AsyncStream Spool

++=

BoundedStack

+::

Ops

+=

BoundedStack

-

StorageUnit Time TimeLike

/

Duration StorageUnit

?

Broker Offer

??

Broker Offer

???

Future