Function openActivityAssignments

openActivityAssignments(
instance: { currentStage: string; stages: StageEntry[] },
): readonly (readonly Assignee[])[]
Assignment members for each active activity in the instance's open stage.
Parameters
- instance: { currentStage: string; stages: StageEntry[] }
  - currentStage: string
  - stages: StageEntry[]
    Per-stage instance entries — one StageEntry per stage the instance has been in, in entry order. Past stages persist with exitedAt set; the current stage is the entry whose exitedAt is undefined. Each entry owns its activities.
Returns readonly (readonly Assignee[])[]