Polish

spring-boot-devtools/src/main/java/org/springframework/boot/devtools/log4j2/Log4J2RestartListener.java

@@ -32,6 +32,7 @@ import org.springframework.util.ReflectionUtils;
  * {@link RestartListener} that prepares Log4J2 for an application restart.
  *
  * @author Andy Wilkinson
+ * @since 1.3.0
  */
 public class Log4J2RestartListener implements RestartListener {
 

spring-boot-devtools/src/main/java/org/springframework/boot/devtools/restart/RestartListener.java

@@ -20,6 +20,7 @@ package org.springframework.boot.devtools.restart;
  * Listener that is notified of application restarts.
  *
  * @author Andy Wilkinson
+ * @since 1.3.0
  */
 public interface RestartListener {