anchor.diff:  Read-only access to the search action from a <<cross-cluster-configuring,remote cluster>>.
   
   `view_index_metadata`::
  -Read-only access to index metadata (aliases, aliases exists, get index, exists, field mappings,
  -mappings, search shards, type exists, validate, warmers, settings, ilm). This
  -privilege is primarily available for use by {kib} users.
  +Read-only access to index and data stream metadata (aliases, aliases exists,
  +get index, get data stream, exists, field mappings, mappings, search shards,
  +type exists, validate, warmers, settings, ilm). This privilege is available
  +for use primarily by {kib} users.
   
   `write`::
   Privilege to perform all write operations to documents, which includes the
  
positive.code: 
  [horizontal]
  `all`::
  Any action on an index
  
  `create`::
  Privilege to index documents. Also grants access to the update mapping
  
negative.code: 
  `manage_ilm`::
  All {Ilm} operations relating to managing the execution of policies of an index
  or data stream. This includes operations such as retrying policies and removing
  a policy from an index or data stream.
  
  `manage_leader_index`::
  All actions that are required to manage the lifecycle of a leader index, which
  