[
  {
    "name": "FutureUnionRoot",
    "fields": [
      "box"
    ],
    "annotations_equal": {
      "box": true
    },
    "type_identity": {
      "box": true
    },
    "results": {
      "native": {
        "valid": {
          "box": {
            "value": 4
          }
        },
        "invalid": [
          [
            [
              "box",
              "value"
            ],
            "greater_than"
          ]
        ]
      },
      "generated": {
        "valid": {
          "box": {
            "value": 4
          }
        },
        "invalid": [
          [
            [
              "box",
              "value"
            ],
            "greater_than"
          ]
        ]
      }
    },
    "type_leaf_identity": {
      "box": true
    }
  }
]
