{"ast_node_type":"variable","tokens":[{"end":97,"kind":"keyword","start":0,"text":"let"}]}
            let abstract_args = tcx.mk_args_trait(invoke_ty, trait_ref.args.into_iter().skip(1));
            let invoke_ty = trait_object_ty(tcx, ty::Binder::dummy(trait_ref));
            // There should be exactly one method on this trait, and it should be the one we're