anchor.diff:  --------------------------------------------------
   {
       "aggs" : {
  -        "genders" : {
  -            "terms" : {
  -                "field" : "gender",
  +        "genres" : {
  +            "terms" : {
  +                "field" : "genre",
                   "order" : { "_term" : "asc" }
               }
           }
  
positive.code:     "aggs" : {
          "countries" : {
              "terms" : {
                  "field" : "address.country",
                  "order" : [ { "females>height_stats.avg" : "desc" }, { "_count" : "desc" } ]
              },
              "aggs" : {
                  "females" : {
                      "filter" : { "term" : { "gender" : { "female" }}},
                      "aggs" : {
                          "height_stats" : { "stats" : { "field" : "height" }}
                      }
                  }
              }
  
negative.code: --------------------------------------------------
  {
      "aggs" : {
          "genres" : {
              "terms" : { "field" : "genre" }
          }
      }
  }
  