[
  {
    "input": {"foo": 1},
    "output": {"foo": 1},
    "states": [
      "FirstState", "ChoiceState", "FirstMatchState", "NextState"
    ]
  },

  {
    "input": {"foo": 2},
    "output": {"foo": 2},
    "states": [
      "FirstState", "ChoiceState", "SecondMatchState", "NextState"
    ]
  },

  {
    "input": {"foo": 3},
    "output": {"foo": 3},
    "states": [
      "FirstState", "ChoiceState", "SecondMatchState", "NextState"
    ]
  },

  {
    "input": {"foo": 4},
    "error": {
      "Error": "DefaultStateError",
      "Cause": "No Matches!"
    },
    "states": [
      "FirstState", "ChoiceState", "DefaultState"
    ]
  }
]