- Migrating to SymfonyMailer from Swift

src/Email/MailerInterface.php

@@ -6,9 +6,9 @@ interface MailerInterface
 {     
     public function send(string $subject, string $message, bool $html = true) : bool;
     
-    public function setFrom($from) : self;
+    public function setFrom(string|\Stringable|array $from) : self;
     
-    public function attach(\Swift_Attachment $attachment) : self;
+    public function attach(mixed $attachment) : self;
 
-    public function setTo($to) : self;
+    public function setTo(string|\Stringable|array $to) : self;
 }