@Override
    public void setCondition(TestAndSetCondition condition) {
        put.setCondition(condition);
    }
Returns the raw serialized buffer. This buffer is stored as the message is received from accross the network, and
deserialized from as soon as a member is requested. This method will return null if the buffer has been decoded.

@return the buffer containing the serialized data for this message, or null
documentapi/src/main/java/com/yahoo/documentapi/messagebus/protocol/PutDocumentMessage.java