{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"//"}]}
            // to a bound involving a projection: `<T as Iterator>::Item: Debug`.
            // Lower a constraint like `Item: Debug` as found in HIR bound `T: Iterator<Item: Debug>`
            hir::AssocItemConstraintKind::Bound { bounds: hir_bounds } => {