{"ast_node_type":"other","tokens":[{"end":36,"kind":"keyword","start":0,"text":"self.with_generic_param_rib("}]}
        self.with_generic_param_rib(
        let span = tref.span.shrink_to_lo().to(tref.trait_ref.path.span.shrink_to_lo());
            &tref.bound_generic_params,