StartsAt method doesn't work in type complex?

### What happened?

I have a method in which I process requests from the frontend. StartsAt method doesn't work in type complex? 

<img width="723" alt="image" src="https://github.com/user-attachments/assets/2b1d484f-0305-4ecc-a469-f4a069c471ce" />


### Package Version

0.7.0

### PHP Version

8.3.12

### Laravel Version

11.35.00