{"ast_node_type":"other","tokens":[{"end":90,"kind":"keyword","start":0,"text":"//"}]}
            // when we're asking for the item bounds of the *opaques* in a trait's default
            // Since RPITITs are lowered as projections in `<dyn HirTyLowerer>::lower_ty`,
            // method signature, we need to map these projections back to opaques.