{
  "$schema": "https://xregistry.io/xregistryspecs/core-v1/schemas/model.schema.json",
  "groups": {
    "schemagroups": {
      "singular": "schemagroup",
      "modelversion": "1.0-rc4",
      "modelcompatiblewith": "https://xregistry.io/xreg/domains/schema/specs/model.json",

      "attributes": {
        "format": {
          "type": "string"
        },
        "*": {
          "type": "any"
        }
      },

      "constraints": {
        "schemas.format": {
          "equals": "format"
        }
      },

      "resources": {
        "schemas": {
          "singular": "schema",
          "modelversion": "1.0-rc4",
          "modelcompatiblewith": "https://xregistry.io/xreg/domains/schema/specs/model.json",
          "validateformat": true,
          "validatecompatibility": true,
          "strictvalidation": false,
          "attributes": {
            "format": {
              "type": "string",
              "required": true,
              "matchversions": true
            },
            "*": {
              "name": "*",
              "type": "any"
            }
          }
        }
      }
    }
  }
}