+ /**
+ * API to remove the flow on Data Plane Node synchronously. It internally waits for
+ * Flow Change Notification to confirm flow delete request is being sent with-in delayTime.
+ *
+ * @param flowEntity
+ * @param delayTime
+ */
+ public void syncRemoveFlow(FlowEntity flowEntity, long delayTime);
+
+ /**
+ * API to install the Group on Data Plane Node synchronously. It internally waits for
+ * Group Change Notification to confirm group mod request is being sent with-in delayTime
+ *
+ * @param groupEntity
+ * @param delayTime
+ */
+ public void syncInstallGroup(GroupEntity groupEntity, long delayTime);
+
+ /**
+ * API to remove the Group on Data Plane Node synchronously. It internally waits for
+ * Group Change Notification to confirm group delete request is being sent.
+ *
+ * @param groupEntity
+ */
+ public void syncRemoveGroup(GroupEntity groupEntity);