{"ast_node_type":"function","tokens":[{"end":42,"kind":"keyword","start":0,"text":"fn"}]}
    fn __modti3(n: i128, d: i128) -> i128;
    fn __umodti3(n: u128, d: u128) -> u128;
    fn __rust_u128_mulo(a: u128, b: u128, oflow: &mut i32) -> u128;