java - Gson: show class name when serializing a map -


i have complex map serialize, 

    map<classa, map<classb, map<...>>>.

i used gsonbuilder() , added enablecomplexmapkeyserialization(). worked fine like

    [{         "foo": "bar"         // data of      },      [         {            // data of b         }         // other information      ]     ]

my question is, there way add class name json looks like

    [      "classa": {         "foo": "bar"         // data of      },      [         {            // data of b         }         // other information      ]     ]


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