{
  "version":2,
  "waiters":{
    "QueueExists":{
      "acceptors":[
        {
          "expected":200,
          "matcher":"status",
          "state":"success"
        },
        {
          "expected":"QueueDoesNotExist",
          "matcher":"error",
          "state":"retry"
        }
      ],
      "delay":5,
      "maxAttempts":40,
      "operation":"GetQueueUrl"
    }
  }
}