{"ast_node_type":"variable","tokens":[{"end":76,"kind":"keyword","start":0,"text":"if"}]}
        if let Some(insertion_span) = generics.span_for_param_suggestion() {
        let mut sugg = vec![(self_ty.span, param.to_string())];
            sugg.push((insertion_span, format!(", {param}: {}", rendered_ty)));