content: {
    "$defs": {
      "Expression": {
        "additionalProperties": false,
        "properties": {
          "value": {
            "foo": "bar=='baz'",
            "type": "integer"
          }
        },
        "required": [
          "value"
        ],
        "type": "object"
      }
    },
    "$id": "https://github.com/invopop/jsonschema/expression",
    "$ref": "#/$defs/Expression",
    "$schema": "https://json-schema.org/draft/2020-12/schema"
  }