The equivalent of using a .semanticGroup accessibilityContainerType in UIKit, would be to use the .accessibilityElement(children: ) modifier with the .contain option in SwiftUI.
Here's a refresher with some use-cases:
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The .accessibilityElement(children: ) modifier with the .ignore argument does a similar thing to set the container view to be an accessibility element in UIKit. It is the default argument, so you can just say .accessibilityElement(). Because of this, you'll need to use other modifiers to make it accessible and manually configure an accessibility label and value, traits... when necessary. https://developer.apple.com/documentation/swiftui/view/accessibilityelement(children:) https://developer.apple.com/documentation/swiftui/accessibilitychildbehavior/ignore
You can create your own accessibility elements from scratch. One use-case for doing that is when you do some custom drawing instead of building your UI using or relying on UIKit components. A circular progress bar, could be an example.
There are a ton of things to love about SwiftUI. But one of my favorites it's got to be the possibility of previewing Variants: the possibility of seeing your UI in dark/light modes, all dynamic type sizes, and orientations, side-by-side.
