Merge pull request #3 from microsoft/fix/update-request-adapter

Update Request Adapter interface

src/RequestAdapter.php

@@ -2,6 +2,7 @@
 namespace Microsoft\Kiota\Abstractions;
 
 use Http\Promise\Promise;
+use Microsoft\Kiota\Abstractions\Serialization\ParseNodeFactory;
 use Microsoft\Kiota\Abstractions\Serialization\SerializationWriterFactory;
 use Microsoft\Kiota\Abstractions\Store\BackingStoreFactory;
 
@@ -23,6 +24,13 @@ public function sendAsync(RequestInformation $requestInfo, array $targetCallable
      */
     public function getSerializationWriterFactory(): SerializationWriterFactory;
 
+    /**
+     * Gets the Parse Node Factory in use
+     *
+     * @return ParseNodeFactory
+     */
+    public function getParseNodeFactory(): ParseNodeFactory;
+
     /**
      * Executes the HTTP request specified by the given RequestInformation and returns the deserialized response model collection.
      * @param RequestInformation $requestInfo the request info to execute.