{
  "props": {
    "FF": "4",
    "C": "root"
  },
  "childs": [{
    "props": {
      "C": "a"
    },
    "childs": [{
      "props": {
        "C": "b"
      },
      "childs": [{
        "props": {
          "C": "c"
        },
        "childs": []
      }, {
        "props": {
          "C": "d"
        },
        "childs": [{
          "props": {
            "C": "e"
          },
          "childs": []
        }]
      }]
    }]
  }, {
    "props": {
      "C": "f"
    },
    "childs": [{
      "props": {
        "C": "g"
      },
      "childs": [{
        "props": {
          "C": "h"
        },
        "childs": [{
          "props": {
            "C": "i"
          },
          "childs": []
        }]
      }]
    }, {
      "props": {
        "C": "j"
      },
      "childs": []
    }]
  }]
}