{
  "protocol_version": 1,
  "handshake": {
    "runtime_to_client": {
      "type": "handshake",
      "fields": ["protocol_version", "runtime_version", "cartridge"]
    },
    "client_to_runtime": {
      "type": "start|ok"
    }
  },
  "requests": [
    {
      "type": "pause",
      "params": []
    },
    {
      "type": "resume",
      "params": []
    },
    {
      "type": "step",
      "params": []
    },
    {
      "type": "stepFrame",
      "params": []
    },
    {
      "type": "getState",
      "params": [],
      "response": ["pc", "stack_top", "frame_index", "app_id"]
    },
    {
      "type": "setBreakpoint",
      "params": ["pc"]
    },
    {
      "type": "clearBreakpoint",
      "params": ["pc"]
    }
  ],
  "events": [
    {
      "event": "breakpointHit",
      "fields": ["pc", "frame_index"]
    },
    {
      "event": "log",
      "fields": ["level", "source", "msg"]
    },
    {
      "event": "telemetry",
      "fields": ["frame_index", "vm_steps", "syscalls", "cycles"]
    },
    {
      "event": "cert",
      "fields": ["rule", "used", "limit", "frame_index"]
    }
  ]
}