{
    "service_strategies": [
      {
        "service": "foo",
        "type": "probabilistic",
        "param": 0.8,
        "operation_strategies": [
          {
            "operation": "op1",
            "type": "probabilistic",
            "param": 0.2
          },
          {
            "operation": "op2",
            "type": "probabilistic",
            "param": 0.4
          }
        ]
      },
      {
        "service": "bar",
        "type": "ratelimiting",
        "param": 5
      }
    ],
    "default_strategy": {
      "type": "probabilistic",
      "param": 0.5
    }
  }