Merge branch '2.3-develop' of github.com:sweikenb/magento2 into 2.3-develop

* '2.3-develop' of github.com:sweikenb/magento2:
  Update Generator.php
  Update Generator.php
  Update Generator.php
  Update Generator.php

Author: sweikenb

app/code/Magento/Webapi/Model/Rest/Swagger/Generator.php

@@ -44,7 +44,7 @@ class Generator extends AbstractSchemaGenerator
     /**
      * Wrapper node for XML requests
      */
-    const XML_SCHEMA_PARAMWRAPPER = 'request';
+    private const XML_SCHEMA_PARAMWRAPPER = 'request';
 
     /**
      * Swagger factory instance.
@@ -139,7 +139,7 @@ public function __construct(
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     protected function generateSchema($requestedServiceMetadata, $requestScheme, $requestHost, $endpointUrl)
     {
@@ -199,9 +199,11 @@ protected function getGeneralInfo()
     }
 
     /**
-     * @return string[]
+     * List out consumes data type
+     *
+     * @return array
      */
-    protected function getConsumableDatatypes()
+    private function getConsumableDatatypes()
     {
         return [
             'application/json',
@@ -210,9 +212,11 @@ protected function getConsumableDatatypes()
     }
 
     /**
-     * @return string[]
+     * List out produces data type
+     *
+     * @return array
      */
-    protected function getProducibleDatatypes()
+    private function getProducibleDatatypes()
     {
         return [
             'application/json',
@@ -631,7 +635,7 @@ protected function getDefinitionReference($typeName)
     /**
      * Get the CamelCased type name in 'hyphen-separated-lowercase-words' format
      *
-     * e.g. test-module5-v1-entity-all-soap-and-rest
+     * E.g. test-module5-v1-entity-all-soap-and-rest
      *
      * @param string $typeName
      * @return string