anchor.diff:  
   <1> Indicates how many shards have executed the query so far.
   
  -For an async search that has been completed, the status response has
  -an additional `completion_status` field that shows the status
  -code of the completed async search.
  +For an async search that has been completed, the status response has an 
  +additional `completion_status` field that shows the status code of the completed 
  +async search.
  +
   [source,console-result]
   --------------------------------------------------
   {
  
positive.code: --------------------------------------------------
  // TEST[skip: a sample output of a status of a completed async search]
  
  <1> Indicates that the async search was successfully completed
  
  
  [source,console-result]
  
negative.code: --------------------------------------------------
  // TEST[skip: a sample output of a status of a completed async search]
  
  <1> Indicates that the async search was completed with an error.
  
  
  [[delete-async-search]]
  ==== Delete async search
  
  You can use the delete async search API to manually delete an async search by 
  ID. If the search is still running, the search request will be cancelled. 
  Otherwise, the saved search results are deleted.
  
  [source,console,id=delete-async-search-date-histogram-example]
  