+ /**
+ * This method checks if it is ok to replicate
+ *
+ * @return true if it is ok to replicate, false otherwise
+ */
+ boolean okToReplicate();
+
+ /**
+ * @return the payload data version of the follower.
+ */
+ short getPayloadVersion();
+
+ /**
+ * Sets the payload data version of the follower.
+ */
+ void setPayloadVersion(short payloadVersion);