{
  "channelPool": {
    "maxSize": 10,
    "maxConcurrentStreamsLowWatermark": 1
  },
  "method": [
    {
      "name": [
        "/google.test.v1.Test/TestMethod"
      ],
      "affinity": {
        "command": "BIND",
        "affinityKey": "key"
      }
    }
  ]
}