{
  "initEvent" : [
    "type",
    "bubbles",
    "cancelable"
  ],
  "initUIEvent" : [
    "type",
    "bubbles",
    "cancelable",
    "view",
    "detail"
  ],
  "initMouseEvent" : [
    "type",
    "bubbles",
    "cancelable",
    "view",
    "detail",
    "screenX",
    "screenY",
    "clientX",
    "clientY",
    "ctrlKey",
    "altKey",
    "shiftKey",
    "metaKey",
    "button",
    "relatedTarget"
  ],
  "initMutationEvent" : [
    "type",
    "bubbles",
    "cancelable",
    "relatedNode",
    "prevValue",
    "newValue",
    "attrName",
    "attrChange"
  ],
  "initKeyboardEvent" : [
    "type",
    "bubbles",
    "cancelable",
    "view",
    "ctrlKey",
    "altKey",
    "shiftKey",
    "metaKey",
    "keyCode",
    "charCode"
  ],
  "initKeyEvent" : [
    "type",
    "bubbles",
    "cancelable",
    "view",
    "ctrlKey",
    "altKey",
    "shiftKey",
    "metaKey",
    "keyCode",
    "charCode"
  ]
}