long ret = bindings.Refund_absolute_expiry(this.ptr);
Reference.reachabilityFence(this);
if (ret >= 0 && ret <= 4096) { return null; }
long ret = bindings.Refund_absolute_expiry(this.ptr);
Reference.reachabilityFence(this);
if (ret >= 0 && ret <= 4096) { return null; }