Polish

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/amqp/RabbitConnectionFactoryMetricsPostProcessor.java

@@ -35,7 +35,7 @@ import org.springframework.util.StringUtils;
  *
  * @author Stephane Nicoll
  */
-public class RabbitConnectionFactoryMetricsPostProcessor
+class RabbitConnectionFactoryMetricsPostProcessor
 		implements BeanPostProcessor, Ordered {
 
 	private static final String CONNECTION_FACTORY_SUFFIX = "connectionFactory";