diff --git a/src/Cashier/Config/Driver.php b/src/Cashier/Config/Driver.php
index e7e9b8e..17ca35f 100644
--- a/src/Cashier/Config/Driver.php
+++ b/src/Cashier/Config/Driver.php
@@ -22,5 +22,9 @@ public function getClientSecret(): ?string;
     /** @return bool|string */
     public function getVerifySsl();
 
-    public function getCertificate();
+    public function hasCertificate(): bool;
+
+    public function getCertificatePath(): ?string;
+
+    public function getCertificatePassword(): ?string;
 }