anchor.diff:  {
       "query": {
           "template": {
  -            "query": {"match_{{template}}": {}},
  +            "query": { "match": { "text": "{query_string}" }}},
               "params" : {
  -                "template" : "all"
  +                "query_string" : "all about search"
               }
           }
       }
  
positive.code: {
      "query": {
          "template": {
              "query": "storedTemplate", <1>
              "params" : {
                  "template" : "all"
              }
          }
      }
  }
  
  ------------------------------------------
  <1> Name of the the query template in `config/scripts/`, i.e., `storedTemplate.mustache`.
  
  Templating is based on Mustache. For simple token substitution all you provide
  is a query containing some variable that you want to substitute and the actual
  values:
  
  
  [source,js]
  
negative.code: === Template Query
  
  A query that accepts a query template and a map of key/value pairs to fill in
  template parameters. Templating is based on Mustache. For simple token substitution all you provide
  is a query containing some variable that you want to substitute and the actual
  values:
  
  [source,js]
  ------------------------------------------
  