{
  "info": {
    "name": "User Timing Level 2",
    "subsection_number": null,
    "subsection_name": null,
    "url": "https://w3c.github.io/user-timing/"
  },
  "features": [
    "Performance.prototype.clearMarks",
    "Performance.prototype.clearMeasures",
    "Performance.prototype.mark",
    "Performance.prototype.measure"
  ]
}