long ret = bindings.COption_u64Z_none();
if (ret >= 0 && ret <= 4096) { return null; }
org.ldk.structs.Option_u64Z ret_hu_conv = org.ldk.structs.Option_u64Z.constr_from_ptr(ret);
long ret = bindings.COption_u64Z_none();
if (ret >= 0 && ret <= 4096) { return null; }
org.ldk.structs.Option_u64Z ret_hu_conv = org.ldk.structs.Option_u64Z.constr_from_ptr(ret);