{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"//"}]}
        // or generic over the `CoerceUnsized` type parameter (`impl<T> CoerceUnsized<T> for
        // would need to be generic over the self-type (`impl<T> CoerceUnsized<SomeType> for T`)
        // SomeType`).