{
  "graph": null,
  "err": {
    "errs": [
      {
        "range": "d2/testdata/d2compiler/TestCompile/no-class-primary.d2,0:2:2-0:7:7",
        "errmsg": "d2/testdata/d2compiler/TestCompile/no-class-primary.d2:1:3: class missing value"
      }
    ]
  }
}