anchor.diff:  +
   --
   (Optional, string)
  -Type of index that wildcard expressions can match. If the request can target
  -data streams, this argument determines whether wildcard expressions match
  -hidden data streams. Supports comma-separated values, such as `open,hidden`.
  -Valid values are:
  +Type of index that wildcard patterns can match. If the request can target data
  +streams, this argument determines whether wildcard expressions match hidden data
  +streams. Supports comma-separated values, such as `open,hidden`. Valid values
  +are:
   
   `all`::
   Match any data stream or index, including <<hidden,hidden>> ones.
  
positive.code: Matches any non-hidden data stream. Data streams cannot be closed.
  
  `none`::
  Wildcard expressions are not accepted.
  --
  end::ds-expand-wildcards[]
  
  
negative.code: `closed`, or both.
  
  `none`::
  Wildcard patterns are not accepted.
  --
  end::expand-wildcards[]
  
  