{"ast_node_type":"variable","tokens":[{"end":86,"kind":"keyword","start":0,"text":"let"}]}
        let bytes = decoder.read_array::<{ IntEncodedWithFixedSize::ENCODED_SIZE }>();
    fn decode(decoder: &mut MemDecoder<'a>) -> IntEncodedWithFixedSize {
        IntEncodedWithFixedSize(u64::from_le_bytes(bytes))