{
  "graph": null,
  "err": {
    "errs": [
      {
        "range": "d2/testdata/d2compiler/TestCompile/classes-unreserved.d2,2:4:26-2:8:30",
        "errmsg": "d2/testdata/d2compiler/TestCompile/classes-unreserved.d2:3:5: seed is an invalid class field, must be reserved keyword"
      }
    ]
  }
}