{
  "name": "system.debug",
  "description": "Evaluates the child lambda while recording every slot invocation, returning the recording",
  "signature": {
    "output": {
      "mode": "Lambda",
      "kind": "recording,node-list",
      "description": "Resolves to one node per executed slot, each with [slot], [path], [elapsed] and [lambda] being the entire lambda object after that slot was invoked"
    }
  }
}