anchor.diff:  something similar on the client side, and reduce buffering as much as
   possible.
   
  -The response to a bulk action is a large JSON structure with 
  -the individual results of each action performed, 
  -in the same order as the actions that appeared in the request. 
  -The failure of a single action does not affect the remaining actions.
  -
   There is no "correct" number of actions to perform in a single bulk request. 
   Experiment with different settings to find the optimal size for your particular workload.
   
  
positive.code: The document source to index.
  Required for `create` and `index` operations. 
  
  [[bulk-api-response-body]]
  ==== {api-response-body-title}
  
  `took`::
  (milliseconds) How long it took to process the bulk request.
  
  `errors`::
  (boolean) If `true`, one or more of the operations in the bulk request did not complete successfully.
  
  `items`::
  (array) The result of each operation in the bulk request in the order they were requested. 
  
  [[docs-bulk-api-example]]
  ==== {api-examples-title}
  
negative.code: 
  See <<url-access-control>>.
  
  [[docs-bulk-api-path-params]]
  ==== {api-path-parms-title}
  
  