message: Removed useless ref
diff: "pattern": "^[a-f0-9]{64}$"
  },
  "chargingStationID": {
  - "$ref": "chargingstation#/definitions/id"
  + "$ref": "#/definitions/id"
  },
  "connectorID": {
  "$ref": "#/definitions/connector/properties/connectorId"
  