{"ast_node_type":"impl","tokens":[{"end":68,"kind":"keyword","start":0,"text":"if"}]}
                if in_trait_or_impl == Some(hir::RpitContext::Trait)
            | hir::OpaqueTyOrigin::AsyncFn { parent: owner, in_trait_or_impl } => {
                    && !tcx.defaultness(owner).has_value()