Do not initialize array property (#1082)

Author: jderusse

src/Result/ListFunctionsResponse.php

@@ -34,7 +34,7 @@ class ListFunctionsResponse extends Result implements \IteratorAggregate
     /**
      * A list of Lambda functions.
      */
-    private $functions = [];
+    private $functions;
 
     /**
      * @param bool $currentPageOnly When true, iterates over items of the current page. Otherwise also fetch items in the next pages.

src/Result/ListLayerVersionsResponse.php

@@ -23,7 +23,7 @@ class ListLayerVersionsResponse extends Result implements \IteratorAggregate
     /**
      * A list of versions.
      */
-    private $layerVersions = [];
+    private $layerVersions;
 
     /**
      * Iterates over LayerVersions.

src/Result/ListVersionsByFunctionResponse.php

@@ -32,7 +32,7 @@ class ListVersionsByFunctionResponse extends Result implements \IteratorAggregat
     /**
      * A list of Lambda function versions.
      */
-    private $versions = [];
+    private $versions;
 
     /**
      * Iterates over Versions.

src/Result/PublishLayerVersionResponse.php

@@ -44,7 +44,7 @@ class PublishLayerVersionResponse extends Result
     /**
      * The layer's compatible runtimes.
      */
-    private $compatibleRuntimes = [];
+    private $compatibleRuntimes;
 
     /**
      * The layer's software license.