{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"ty::TraitRef::new(tcx,"}]}
        ty::TraitRef::new(tcx, tcx.require_lang_item(hir::LangItem::Copy, DUMMY_SP), [ty]);
    let trait_ref =
    let pred = ty::TraitPredicate { trait_ref, polarity: ty::PredicatePolarity::Negative };