Both Apple and Epic have released their opening presentations on why they feel they should win this week’s trial, which is set to determine the future of the App Store. In the documents, which you can look through below, each company lays out its case.

The lawsuit started when Apple removed Epic Games’ Fortnite from the App Store after Epic bypassed Apple’s system for in-app purchases. But it’s turned into a much deeper examination of Apple’s walled-garden approach to technology, and whether some of the walls the company puts up might violate antitrust law.

We took a deeper look at the companies’ legal strategies in advance of the trial, but you can see the same arguments play out in these presentations. Epic uses metaphors of brick walls and gas stations to argue that Apple’s control over what can and cannot be installed on the iPhone is unfair, and that allowing other methods of installing apps wouldn’t harm iOS’s security. Apple’s pushes back saying that Epic getting the openness that it wants would harm not just the App Store but other stores from Sony and Nintendo.