{
  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
  "keywords": [],
  "children": [
    {
      "类字面常量": {
        "keywords": [],
        "children": []
      }
    },
    {
      "泛化的Class引用": {
        "keywords": [],
        "children": []
      }
    },
    {
      "新的转型语法": {
        "keywords": [],
        "children": []
      }
    }
  ],
  "export": []
}