{
  "info": {
    "name": "UI Events Specification",
    "subsection_number": null,
    "subsection_name": null,
    "url": "https://w3c.github.io/uievents/"
  },
  "features": [
    "CompositionEvent.prototype.initCompositionEvent",
    "Event.prototype.stopImmediatePropagation",
    "KeyboardEvent.prototype.getModifierState",
    "KeyboardEvent.prototype.initKeyEvent",
    "MouseEvent.prototype.getModifierState",
    "MouseEvent.prototype.initMouseEvent",
    "MutationEvent.prototype.initMutationEvent",
    "UIEvent.prototype.initUIEvent"
  ]
}