json_schema: {
      "$schema": "http://json-schema.org/draft-07/schema#",
      "type": "object",
      "definitions": {
          "option": {
              "type": "object",
              "properties": {
                  "enabled": {
                      "type": "boolean",
                      "description": "some text"
                  }
              }
          }
      },
      "additionalProperties": {
          "type": "object",
          "$ref": "#/definitions/option"
      },
      "properties": {
          "knownProp": {
              "type": "object",
              "$ref": "#/definitions/option",
              "title": "title",
              "description": "text"
          }
      }
  }