--- /dev/null
+package h4mp;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+import org.hibernate.envers.Audited;
+
+@Entity
+@Audited
+public class MainEntity {
+ @Id
+ @GeneratedValue
+ long id;
+
+ String str;
+}