actor-node workspace
actor-node actor#1 "a" @6:3 family=fan-out#1
actor-node actor#2 "b" @7:3 family=fan-out#1
actor-node sink
actor-edge workspace -> actor#1 exact count=1 types="string[]"
actor-edge workspace -> actor#2 exact count=1 types="string[]"
actor-edge actor#1 -> sink exact count=1 types="string"
actor-edge actor#2 -> sink exact count=1 types="string"
