digraph PipelineItem {
  YAML -> Deserialize
  "Protocol Buffers" -> Deserialize
  Deserialize -> Result
  Result -> MergeResults
  MergeResults -> Result
  Result -> Serialize
  Serialize -> YAML
  Serialize -> "Protocol Buffers"
  Result [style=filled, fillcolor=gray]
  YAML [style=filled, fillcolor=gray]
  "Protocol Buffers" [style=filled, fillcolor=gray]
}