actor-node source
actor-node actor#1 "alpha" @6:11
actor-node actor#2 "beta" @7:11
actor-node actor#3 "seed" @8:20
actor-node sink
actor-edge source -> actor#3 exact count=1
actor-edge actor#1 -> sink exact count=2 types="string"
actor-edge actor#2 -> sink inexact count=1 types="string"
actor-edge actor#3 -> actor#1 exact count=2 types="string"
actor-edge actor#3 -> actor#2 inexact count=1 types="string"
