{
  "!name": "ignore_newer.js",
  "foo": {
    "!span": "4[0:4]-7[0:7]",
    "x": {
      "!span": "14[1:2]-15[1:3]",
      "!type": "number"
    },
    "y": {
      "!span": "23[2:2]-24[2:3]",
      "!type": "number"
    }
  }
}