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Cannot use Grouping and DataObject in generic specifier

Description

Downstreams are using rather complex generic type specifiers involving groupings and DataObjects, like this:

public abstract class AbstractRIBSupport< C extends Routes & DataObject & ChoiceIn<Tables>, S extends ChildOf<? super C>, R extends Route & ChildOf<? super S> & KeyAware<?>> implements RIBSupport<C, S>

Note 'Route' is a Grouping and it is being mixed in with ChildOf, which implies DataObject. This was broken with Grouping no longer being a DataObject, because now Grouping has an unrelated implementedInterface() method.

Remove this method specialization and do not generate narrowing in codegen to make the above construct work again.

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Created July 28, 2024 at 10:04 AM
Updated February 6, 2025 at 2:16 PM
Resolved July 28, 2024 at 10:34 AM
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