anchor.diff:    "source": {
       "index": "source"
     },
  -  "index": {
  +  "dest": {
       "index": "dest",
       "pipeline": "some_ingest_pipeline"
     }
  
positive.code:       }
      }
    },
    "index": {
      "index": "dest",
      "routing": "=cat"
    }
  
negative.code: 
  [source,js]
  --------------------------------------------------
  GET /_tasks/?pretty&detailed=true&actions=*reindex
  --------------------------------------------------
  // AUTOSENSE
  
  