{
  "tag": "balancer-load",
  "selector": ["proxy-"],
  "fallbackTag": "fallback-out",
  "strategy": {
    "type": "leastLoad",
    "settings": {
      "expected": 3,
      "maxRTT": "1s",
      "tolerance": 0.05,
      "baselines": ["500ms", "1s", "2s"],
      "costs": [
        { "regexp": false, "match": "proxy-premium", "value": 0.1 },
        { "regexp": true, "match": "^proxy-cheap-.+$", "value": 5 }
      ]
    }
  }
}