{
  "graph": null,
  "err": {
    "ioerr": null,
    "errs": [
      {
        "range": "d2/testdata/d2compiler/TestCompile/edge_map_non_reserved.d2,1:0:1-3:1:16",
        "errmsg": "d2/testdata/d2compiler/TestCompile/edge_map_non_reserved.d2:2:1: edge map keys must be reserved keywords"
      }
    ]
  }
}