{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"Vec::with_capacity(self.universal_regions.unnormalized_input_tys.len()"}]}
            Vec::with_capacity(self.universal_regions.unnormalized_input_tys.len() + 1);
        let mut normalized_inputs_and_output =
        for ty in unnormalized_input_output_tys {