{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"///"}]}
///     - while `impl<T> Trait<LocalType> for Box<T>` results in an error, as `T` is
///     - e.g. `impl<T> Trait<LocalType> for Vec<T>` is fine, as `Vec` is not fundamental.
///       reachable through the fundamental type `Box`.