syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"cx.explicit_super_predicates_of(data.def_id())"}]}
source_snippet:                         cx.explicit_super_predicates_of(data.def_id())
context_before:                     Filter::OnlySelf => self.extend_deduped(
context_after:                             .iter_identity()