node source
node ask#1 "scanner" @4:40 actors=actor#1 type="string"
node ask#2 "writer" @12:24 actors=actor#2 type="string"
node sink
actor actor#1 "scanner" @4:23
actor actor#2 "writer" @12:8
edge source -> ask#1 data exact
edge ask#1 -> ask#2 data exact type="string"
edge ask#2 -> sink data exact type="string"
