{
  "info": {
    "id": 21,
    "origId": "W3C DOM4",
    "name": "DOM Level 4",
    "url": "https://www.w3.org/TR/dom/",
    "catId": "core"
  },
  "features": [
    "MutationObserver.prototype.disconnect",
    "MutationObserver.prototype.observe",
    "MutationObserver.prototype.takeRecords"
  ]
}