TransportFactoryInterface::createTransport signature is missing third mandatory SerializerInterface parameter

/**
 * Creates a Messenger transport.
 *
 * @author Samuel Roze <samuel.roze@gmail.com>
 */
interface TransportFactoryInterface
{
    public function createTransport(string $dsn, array $options, SerializerInterface $serializer): TransportInterface;

    public function supports(string $dsn, array $options): bool;
}

Author: carlosbuenosvinos

messenger/custom-transport.rst

@@ -17,7 +17,7 @@ DSN. You will need a transport factory::
 
     class YourTransportFactory implements TransportFactoryInterface
     {
-        public function createTransport(string $dsn, array $options): TransportInterface
+        public function createTransport(string $dsn, array $options, SerializerInterface $serializer): TransportInterface
         {
             return new YourTransport(/* ... */);
         }