{
  "$schema": "https://json-structure.org/meta/extended/v0/#",
  "name": "UsageStats",
  "type": "object",
  "description": "Token usage statistics for the completion.",
  "properties": {
    "prompt_tokens": {
      "type": "int32",
      "description": "Number of tokens in the prompt."
    },
    "completion_tokens": {
      "type": "int32",
      "description": "Number of tokens generated."
    },
    "total_tokens": {
      "type": "int32",
      "description": "Total tokens used."
    }
  }
}