{"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"&&"}]}
                    && supertrait_def_ids(tcx, tc.def_id())
                    && tc.polarity() == ty::PredicatePolarity::Positive
                        .flat_map(|trait_did| tcx.associated_items(trait_did).in_definition_order())