+
+/**
+ * This is the callback which will be called whenever there is change in gatt connection
+ * with Client(Connected/Disconnected).
+ *
+ * @param[in] connected State of connection.
+ * @param[in] remoteAddress Mac address of the remote device in which we made connection.
+ */
+void CALEGattServerConnectionStateChanged(bool connected, const char *remoteAddress);
+
+/**
+ * This is the callback which will be called whenever there is change in gatt connection
+ * with server(Connected/Disconnected)
+ *
+ * @param[in] connected State of connection
+ * @param[in] remoteAddress Mac address of the remote device in which we made connection.
+ */
+void CALEGattConnectionStateChanged(bool connected, const char *remoteAddress);
+