class AppServiceProvider extends ServiceProvider
{
    public function register()
    {
        $this->app
            ->when(SendinBlueJob::class)
            ->needs(MessageProviderInterface::class)
            ->give(SendinBlueService::class);
    }
}

class MessageObserver
{
    public function created(MessageInterface $message)
    {
        SendinBlueJob::dispatch($message);
    }
}

class SendinBlueJob implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    public $message;
    public $messageProvider;

    public function __construct(MessageInterface $message,
MessageProviderInterface $messageProvider)
    {
        $this->message = $message;
        $this->messageProvider = $messageProvider;
    }
}