[
  {
    "type": "arrow",
    "named": true,
    "fields": {}
  },
  {
    "type": "connection",
    "named": true,
    "fields": {
      "left": {
        "multiple": false,
        "required": true,
        "types": [
          {
            "type": "identifier",
            "named": true
          }
        ]
      },
      "right": {
        "multiple": false,
        "required": true,
        "types": [
          {
            "type": "identifier",
            "named": true
          }
        ]
      }
    },
    "children": {
      "multiple": false,
      "required": true,
      "types": [
        {
          "type": "arrow",
          "named": true
        }
      ]
    }
  },
  {
    "type": "identifier",
    "named": true,
    "fields": {}
  },
  {
    "type": "label",
    "named": true,
    "fields": {},
    "children": {
      "multiple": false,
      "required": false,
      "types": [
        {
          "type": "string",
          "named": true
        }
      ]
    }
  },
  {
    "type": "shape",
    "named": true,
    "fields": {
      "id": {
        "multiple": false,
        "required": true,
        "types": [
          {
            "type": "identifier",
            "named": true
          }
        ]
      },
      "label": {
        "multiple": false,
        "required": false,
        "types": [
          {
            "type": "label",
            "named": true
          }
        ]
      }
    }
  },
  {
    "type": "source_file",
    "named": true,
    "fields": {},
    "children": {
      "multiple": true,
      "required": false,
      "types": [
        {
          "type": "connection",
          "named": true
        },
        {
          "type": "shape",
          "named": true
        }
      ]
    }
  },
  {
    "type": "string",
    "named": true,
    "fields": {}
  },
  {
    "type": "\n",
    "named": false
  },
  {
    "type": "\"",
    "named": false
  },
  {
    "type": "'",
    "named": false
  },
  {
    "type": "-",
    "named": false
  },
  {
    "type": "--",
    "named": false
  },
  {
    "type": "->",
    "named": false
  },
  {
    "type": ":",
    "named": false
  },
  {
    "type": ";",
    "named": false
  },
  {
    "type": "<-",
    "named": false
  },
  {
    "type": ">",
    "named": false
  },
  {
    "type": "`",
    "named": false
  }
]