{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"ecx.probe_trait_candidate(CandidateSource::Impl(impl_def_id)).enter(|ecx|"}]}
        ecx.probe_trait_candidate(CandidateSource::Impl(impl_def_id)).enter(|ecx| {
            let impl_args = ecx.fresh_args_for_item(impl_def_id);