anchor.diff:  // CONSOLE
   
   The `_all` flag can be set to return all the information - or you can omit it.
  +
  +
  +[[cluster-nodes-info-api-example-plugins]]
  +===== Example for plugins metric
   
   If `plugins` is specified, the result will contain details about the installed 
   plugins and modules:
  
positive.code: // TESTRESPONSE[s/"plugins": \[[^\]]*\]/"plugins": $body.$_path/]
  // TESTRESPONSE[s/"modules": \[[^\]]*\]/"modules": $body.$_path/]
  
  If `ingest` is specified, the response contains details about the available 
  processors per node:
  
  
negative.code: `version`::
  		{es} version running on this node.
  
  The `os` flag can be set to retrieve information that concern the operating 
  system:
  
  `os.refresh_interval_in_millis`::
  