{"ast_node_type":"other","tokens":[{"end":32,"kind":"keyword","start":0,"text":".filter_map(|item|"}]}
            .filter_map(|item| {
            .flat_map(|trait_def_id| tcx.associated_items(*trait_def_id).in_definition_order())
                (!item.is_impl_trait_in_trait() && item.as_tag() == assoc_tag).then(|| item.name())