anchor.diff:              "label": "knows",
               "type": "edge",
               "outV": 1,
  +            "hiddens": {},
               "properties": {
                   "weight": 1
               }
           }
       ],
  +    "id": 1,
  +    "label": "vertex",
  +    "type": "vertex",
  +    "hiddens": {},
       "properties": {
  -        "name": "marko",
  -        "age": 29
  +        "name": [
  +            {
  +                "id": 0,
  +                "label": "name",
  +                "hiddens": {},
  +                "value": "marko",
  +                "properties": {}
  +            }
  +        ],
  +        "age": [
  +            {
  +                "id": 1,
  +                "label": "age",
  +                "hiddens": {},
  +                "value": 29,
  +                "properties": {}
  +            }
  +        ]
       }
   }
   ----
  
positive.code:                 "label": "created",
                  "type": "edge",
                  "outV": 1,
                  "properties": {
                      "@class": "java.util.HashMap",
                      "weight": [
  
negative.code:             }
          ]
      ],
      "id": 1,
      "label": "vertex",
      "type": "vertex",
      "hiddens": {
          "@class": "java.util.HashMap"
      },
      "properties": {
          "@class": "java.util.HashMap",
          "name": [
              "java.util.ArrayList",
              [
                  {
                      "@class": "java.util.HashMap",
                      "id": [
                          "java.lang.Long",
                          0
                      ],
                      "label": "name",
                      "hiddens": {
                          "@class": "java.util.HashMap"
                      },
                      "value": "marko",
                      "properties": {
                          "@class": "java.util.HashMap"
                      }
                  }
              ]
          ],
          "age": [
              "java.util.ArrayList",
              [
                  {
                      "@class": "java.util.HashMap",
                      "id": [
                          "java.lang.Long",
                          1
                      ],
                      "label": "age",
                      "hiddens": {
                          "@class": "java.util.HashMap"
                      },
                      "value": 29,
                      "properties": {
                          "@class": "java.util.HashMap"
                      }
                  }
              ]
          ]
      }
  }
  ----
  