long ret = bindings.UpdateFulfillHTLC_new(channel_id_arg, htlc_id_arg, payment_preimage_arg);
UpdateFulfillHTLC ret_hu_conv = new UpdateFulfillHTLC(null, ret);
ret_hu_conv.ptrs_to.add(ret_hu_conv);
long ret = bindings.UpdateFulfillHTLC_new(channel_id_arg, htlc_id_arg, payment_preimage_arg);
UpdateFulfillHTLC ret_hu_conv = new UpdateFulfillHTLC(null, ret);
ret_hu_conv.ptrs_to.add(ret_hu_conv);