{
  "name": "blank/all-blank",
  "rules": {
    "columns": [
      {
        "key": "a"
      },
      {
        "key": "b"
      }
    ],
    "rows": {
      "blank": "error"
    }
  },
  "rows": [
    {},
    {
      "a": ""
    }
  ],
  "expect": {
    "ok": true,
    "errors": [],
    "warnings": [],
    "rows": []
  }
}