diff --git a/src/AzureBlobStorageAdapter.php b/src/AzureBlobStorageAdapter.php
index 74e2e09..d4a0df4 100644
--- a/src/AzureBlobStorageAdapter.php
+++ b/src/AzureBlobStorageAdapter.php
@@ -37,11 +37,11 @@ class AzureBlobStorageAdapter extends AbstractAdapter
     /**
      * @var BlobRestProxy
      */
-    private $client;
+    protected $client;
 
-    private $container;
+    protected $container;
 
-    private $maxResultsForContentsListing = 5000;
+    protected $maxResultsForContentsListing = 5000;
 
     public function __construct(BlobRestProxy $client, $container, $prefix = null)
     {
@@ -306,4 +306,4 @@ protected function normalizeBlobPrefix(BlobPrefix $blobPrefix)
     {
         return ['type' => 'dir', 'path' => $this->removePathPrefix(rtrim($blobPrefix->getName(), '/'))];
     }
-}
\ No newline at end of file
+}