public int tightMarshal1(OpenWireFormat wireFormat, Object o, BooleanStream bs) throws IOException {
MessageAck info = (MessageAck)o;
int rc = super.tightMarshal1(wireFormat, o, bs);
rc += tightMarshalCachedObject1(wireFormat, (DataStructure)info.getDestination(), bs);
rc += tightMarshalCachedObject1(wireFormat, (DataStructure)info.getTransactionId(), bs);
rc += tightMarshalCachedObject1(wireFormat, (DataStructure)info.getConsumerId(), bs);
rc += tightMarshalNestedObject1(wireFormat, (DataStructure)info.getFirstMessageId(), bs);
rc += tightMarshalNestedObject1(wireFormat, (DataStructure)info.getLastMessageId(), bs);
rc += tightMarshalThrowable1(wireFormat, info.getPoisonCause(), bs);
return rc + 5;
}