actor-node source
actor-node actor#1 "worker-a" @4:17
actor-node actor#2 "worker-b" @4:36
actor-node sink
actor-edge source -> actor#1 exact count=1
actor-edge actor#1 -> actor#1 inexact count=1 types="string"
actor-edge actor#1 -> 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"
