message: Application Gateway Routing Rule priority changes
diff: "modelAsString": true
  }
  },
  + "priority": {
  + "type": "integer",
  + "format": "int32",
  + "minimum": 1,
  + "exclusiveMinimum": false,
  + "maximum": 20000,
  + "exclusiveMaximum": false,
  + "description": "Priority of the routing rule."
  + },
  "backendAddressPool": {
  "$ref": "./network.json#/definitions/SubResource",
  "description": "Backend address pool resource of the application gateway."
  "description": "The provisioning state of the request routing rule resource."
  }
  },
  + "required": [
  + "priority"
  + ],
  "description": "Properties of routing rule of the application gateway."
  },
  "ApplicationGatewayRoutingRule": {
  