anchor.diff:          "comments": {
             "type": "nested",
             "properties": {
  -            "message": {
  -              "type": "text",
  -              "store": true
  -            },
               "votes": {
                 "type": "nested"
               }
  
positive.code:       },
        "inner_hits": {
          "_source" : false,
          "stored_fields" : ["comments.text"]
        }
      }
    }
  
negative.code:     "doc": {
        "properties": {
          "comments": {
            "type": "nested"
          }
        }
      }
  