{"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":".find(|trait_ref|"}]}
            .find(|trait_ref| tcx.is_trait_alias(trait_ref.def_id()))
            .filter_map(|(clause, _)| clause.as_trait_clause())
            .map(|trait_ref| tcx.def_span(trait_ref.def_id()));