{
  "graph": null,
  "err": {
    "errs": [
      {
        "range": "d2/testdata/d2compiler/TestCompile2/vars/errors/undeclared-var-usage.d2,1:3:4-1:14:15",
        "errmsg": "d2/testdata/d2compiler/TestCompile2/vars/errors/undeclared-var-usage.d2:2:4: could not resolve variable \"v\""
      }
    ]
  }
}