public static Option_C2Tuple_usizeTransactionZZ none() {
long ret = bindings.COption_C2Tuple_usizeTransactionZZ_none();
if (ret >= 0 && ret <= 4096) { return null; }
public static Option_C2Tuple_usizeTransactionZZ none() {
long ret = bindings.COption_C2Tuple_usizeTransactionZZ_none();
if (ret >= 0 && ret <= 4096) { return null; }