Add a convenience method that allows a `MergedAnnotation` to be converted into an `AnnotationAttributes` instance. Also rename the `MapValues` enum to `Adapt` which generally seems to read better. Closes gh-22738
Add a convenience method that allows a `MergedAnnotation` to be converted into an `AnnotationAttributes` instance. Also rename the `MapValues` enum to `Adapt` which generally seems to read better. Closes gh-22738