{"ast_node_type":"variable","tokens":[{"end":97,"kind":"keyword","start":0,"text":"let"}]}
            let trait_bound = rust_ir::TraitBound { trait_id: trait_ref.trait_id, args_no_self };
                .collect();
            Some(chalk_ir::Binders::new(binders, rust_ir::InlineBound::TraitBound(trait_bound)))