print-response-as-json.swift.response

{
  "key.offset": 0,
  "key.length": 27,
  "key.diagnostic_stage": "source.diagnostic.stage.swift.parse",
  "key.substructure": [
    {
      "key.kind": "source.lang.swift.decl.function.free",
      "key.accessibility": "source.lang.swift.accessibility.internal",
      "key.name": "🐶🐮(_:)",
      "key.offset": 0,
      "key.length": 26,
      "key.nameoffset": 5,
      "key.namelength": 18,
      "key.bodyoffset": 25,
      "key.bodylength": 0,
      "key.substructure": [
        {
          "key.kind": "source.lang.swift.decl.var.parameter",
          "key.name": "x",
          "key.offset": 14,
          "key.length": 8,
          "key.typename": "Int",
          "key.nameoffset": 0,
          "key.namelength": 0
        }
      ]
    }
  ]
}