actor-node source
actor-node actor#1 "a" @4:11
actor-node actor#2 "b" @5:11
actor-node actor#3 "fallback" @6:49
actor-node sink
actor-edge source -> actor#1 exact count=1
actor-edge source -> actor#2 exact count=1
actor-edge source -> actor#3 exact count=1
actor-edge actor#1 -> sink exact count=1 types="string"
actor-edge actor#2 -> sink exact count=1 types="string"
actor-edge actor#3 -> sink inexact count=1 types="string"
