anchor.diff:  Any additional plugins installed are added to the
   {elasticguide}/plugins/{current}/_plugins_directory.html[`plugin.mandatory` setting
   in elasticsearch.yml configuration], to ensure that a node will start only when
  -it has all mandatory plugins.
  +it has all mandatory plugins.
positive.code: ==== Transport layer
  
  You can secure communication between nodes in the cluster with TLS on the Transport layer of Elasticsearch.
  Configuring TLS for the Transport layer requires `xPackPlugins` be set to `Yes`.
  The following parameters can be used
  
  `esTransportCaCertBlob`::
  
negative.code: [float]
  === Elastic Stack features (formerly X-Pack)
  
  A trial license for the {subscriptions}[platinum features] of the Elastic Stack can be deployed for
  Elasticsearch, and Kibana if also deployed, using the following parameter
  
  `xPackPlugins`::
  Select `Yes` to install a trial license of the platinum features. A trial license
  provides access to platinum features for 30 days. a value of `No`
  +
  . for Elasticsearch and Kibana 6.3.0+ will deploy with a free perpetual basic license
  providing access to the {subscriptions}[basic features]. These versions use a distribution with
  Elastic Stack features included in the installation, and the license applied determines which
  features are activated.
  . for Elasticsearch and Kibana prior to 6.3.0, the X-Pack plugin will not be
  