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

  {
    "input": {
      "foo": 2
    },
    "error": {
      "Error": "DefaultStateError",
      "Cause": "No Matches!"
    },
    "states": ["FirstState", "ChoiceState", "DefaultState"],
    "task_behavior": {
    }
  }

]