{"ast_node_type":"other","tokens":[{"end":36,"kind":"keyword","start":0,"text":"//"}]}
        // And this is exercised in:
        // See where these vars are used in `HirTyLowerer::lower_ty_maybe_return_type_notation`.
        // `tests/ui/associated-type-bounds/return-type-notation/higher-ranked-bound-works.rs`.