{
  "children": [{
    "children": [
      {
        "children": [{
          "id": "b",
          "type": "Out"
        }],
        "id": "a",
        "type": "Ambient"
      },
      {
        "id": "a",
        "type": "Out_"
      }
    ],
    "type": "Parallel"
  }],
  "id": "b",
  "type": "Ambient"
}