actor-node workspace
actor-node actor#1 "a" @8:11
actor-node actor#2 "b" @9:11
actor-node sink
actor-edge workspace -> actor#1 inexact count=1 types="string[]"
actor-edge workspace -> actor#2 inexact count=1 types="string[]"
actor-edge actor#1 -> sink inexact count=1 types="string"
actor-edge actor#2 -> sink inexact count=1 types="string"
