Add returnType documentation on paginated operation (#548)

* Add returnType documentation on paginated operation

* Remove useless docblock in sample

* Fix CS

* Rebase

* Remove useless 'uses'

* Fix psalm issue

Author: jderusse

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Change Log
 
+## 0.4.2
+
+### Fixed
+
+- Add return typehint for `listLayerVersions`
+
 ## 0.4.1
 
 ### Changed

src/LambdaClient.php

@@ -12,6 +12,7 @@
 use AsyncAws\Lambda\Result\InvocationResponse;
 use AsyncAws\Lambda\Result\ListLayerVersionsResponse;
 use AsyncAws\Lambda\Result\PublishLayerVersionResponse;
+use AsyncAws\Lambda\ValueObject\LayerVersionsListItem;
 
 class LambdaClient extends AbstractApi
 {
@@ -81,6 +82,8 @@ public function invoke($input): InvocationResponse
      *   MaxItems?: int,
      *   @region?: string,
      * }|ListLayerVersionsRequest $input
+     *
+     * @return \Traversable<LayerVersionsListItem> & ListLayerVersionsResponse
      */
     public function listLayerVersions($input): ListLayerVersionsResponse
     {