{
  "admin": {
    "access_log": [
      {
        "name": "envoy.access_loggers.file",
        "typed_config": {
          "@type": "type.googleapis.com/envoy.extensions.access_loggers.file.v3.FileAccessLog",
          "path": "/dev/null"
        }
      }
    ],
    "address": {
      "socket_address": {
        "address": "127.0.0.1",
        "port_value": 19000
      }
    }
  },
  "node": {
    "cluster": "test",
    "id": "test-proxy"
  },
  "custom_field": "foo"
}