diff --git a/src/workflow/ArcanistDownloadWorkflow.php b/src/workflow/ArcanistDownloadWorkflow.php
index 58e566de..acbd01de 100644
--- a/src/workflow/ArcanistDownloadWorkflow.php
+++ b/src/workflow/ArcanistDownloadWorkflow.php
@@ -3,6 +3,10 @@
 final class ArcanistDownloadWorkflow
   extends ArcanistArcWorkflow {
 
+  private $id;
+  private $saveAs;
+  private $show;
+
   public function getWorkflowName() {
     return 'download';
   }