{
  "usage": {
    "ResultObject": {
      "memory": "number",
      "memoryInfo": {
        "rss": "number",
        "vsize": "number"
      },
      "cpu": "number"
    },
    "Options": {
      "keepHistory": "bool"
    },
    "lookup": "fn(pid: number, callback: fn(err: Error, result: ResultObject))",
    "clearHistory": "fn(pid?: number)"
  },
  "!name": "usage.d.ts"
}
