Accessing id on the interface hiqdev\php\billing\type\TypeInterface suggest that you code against a concrete implementation. How about adding an instanceof check?
If you access a property on an interface, you most likely code against a
concrete implementation of the interface.
This method seems to be duplicated in your project.
Duplicated code is one of the most pungent code smells. If you need to duplicate
the same code in three or more different places, we strongly encourage you to
look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.