Const
Envelope key: per-item actors (Record<itemKey, string>), written by a fill that names an actor and by filled entries that carry one. Absent until the first attributed fill.
Record<itemKey, string>
actor
filled
Envelope key: per-item actors (
Record<itemKey, string>), written by a fill that names anactorand byfilledentries that carry one. Absent until the first attributed fill.