{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"traits::expand_trait_aliases(tcx,"}]}
            traits::expand_trait_aliases(tcx, user_written_bounds.iter().copied());
        let (elaborated_trait_bounds, elaborated_projection_bounds) =
        let (regular_traits, mut auto_traits): (Vec<_>, Vec<_>) = elaborated_trait_bounds