anchor.diff:    timestamp field specified in the `timestamp_field` property.
   
   * If you intend to use {ilm-init}, you must specify the
  -  <<configure-a-data-stream-ilm-policy,lifecycle policy>> in the 
  +  <<configure-a-data-stream-ilm-policy,lifecycle policy>> in the
     `index.lifecycle.name` setting.
   
   You can also specify other mappings and settings you'd like to apply to the
  
positive.code: DELETE /_ilm/policy/logs_policy
  ----
  // TEST[continued]
  ////
negative.code: . <<configure-a-data-stream-ilm-policy>>.
  . <<create-a-data-stream-template>>.
  . <<create-a-data-stream>>.
  . <<get-info-about-a-data-stream> to verify it exists.
  
  After you set up a data stream, you can <<use-a-data-stream, use the data
  stream>> for indexing, searches, and other supported operations.
  
  If you no longer need it, you can <<delete-a-data-stream,delete a data stream>>
  and its backing indices.
  
  [discrete]
  [[data-stream-prereqs]]
  