anchor.diff:  PUT my_index
   {
     "mappings": {
  -    "my_type": {
  +    "groups": {
         "properties": {
           "names": {
             "type": "string",
  
positive.code: {
      "query": {
          "match_phrase": {
              "names": "Abraham Lincoln" <1>
          }
      }
  }
  
negative.code: {
      "query": {
          "match_phrase": {
              "names": {
                  "query": "Abraham Lincoln",
                  "slop": 101 <2>
              }
          }
      }
  }
  