Towards managing mapping for file imports.

app/Helpers/Attachments/AttachmentHelperInterface.php

@@ -39,6 +39,13 @@ interface AttachmentHelperInterface
      */
     public function getAttachmentLocation(Attachment $attachment): string;
 
+    /**
+     * @param Attachment $attachment
+     *
+     * @return string
+     */
+    public function getAttachmentContent(Attachment $attachment): string;
+
     /**
      * @return Collection
      */