anchor.diff:  without any content) which is supported as well.
   
   
  -The endpoint allows to also search against an index/indices in the URI itself,
  -in which case it will be used as the default unless explicitly defined otherwise
  -in the header. For example:
  +The endpoint also allows you to search against data streams, indices, and index
  +aliases in the request path. In this case, it will be used as the default target
  +unless explicitly specified in the header's `index` parameter. For example:
   
   [source,console]
   --------------------------------------------------
  
positive.code: [[search-multi-search-api-example]]
  ==== {api-examples-title}
  
  The header part includes which index / indices to search on, the `search_type`,
  `preference`, and `routing`. The body includes the typical search body request
  (including the `query`, `aggregations`, `from`, `size`, and so on).
  
  
negative.code: [[search-multi-search-api-request]]
  ==== {api-request-title}
  
  `GET /<target>/_msearch`
  
  
  [[search-multi-search-api-desc]]
  