{
  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
  "keywords": [],
  "children": [
    {
      "Cache有什么用": {
        "keywords": [],
        "children": []
      }
    },
    {
      "LRU": {
        "keywords": [],
        "children": []
      }
    },
    {
      "Cache类": {
        "keywords": [],
        "children": []
      }
    },
    {
      "put": {
        "keywords": [],
        "children": []
      }
    },
    {
      "shift": {
        "keywords": [],
        "children": []
      }
    },
    {
      "get": {
        "keywords": [],
        "children": []
      }
    }
  ],
  "export": []
}