invisio v2.0

{
  "definitions": {
    "brand": {
      "type": "object",
      "properties": {
        "name": {
          "type": "string"
        }
      }
    },
    "category": {
      "type": "object",
      "properties": {
        "children": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/category"
          }
        }
      }
    },
    "car": {
      "type": "object",
      "properties": {
        "id": {
          "type": "integer",
          "format": "int64"
        },
        "make": {
          "type": "string"
        },
        "similar": {
          "items": {
            "$ref": "#/definitions/car"
          }
        },
        "notSimilar": {
          "additionalProperties": {
            "$ref": "#/definitions/car"
          }
        },
        "oneCar": {
          "$ref": "#/definitions/car"
        },
        "category": {
          "$ref": "#/definitions/category"
        },
        "brand": {
          "$ref": "#/definitions/brand"
        }
      }
    }
  }
}