{
  "graph": null,
  "err": {
    "errs": [
      {
        "range": "d2/testdata/d2compiler/TestCompile/import-classes-boards.d2,9:6:75-9:12:81",
        "errmsg": "d2/testdata/d2compiler/TestCompile/import-classes-boards.d2:10:7: layers must be declared at a board root scope"
      }
    ]
  }
}