Polish

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/jersey/JerseyServerMetricsAutoConfiguration.java

@@ -78,11 +78,9 @@ public class JerseyServerMetricsAutoConfiguration {
 	public ResourceConfigCustomizer jerseyServerMetricsResourceConfigCustomizer(
 			MeterRegistry meterRegistry, JerseyTagsProvider tagsProvider) {
 		Server server = this.properties.getWeb().getServer();
-		return (config) -> {
-			config.register(new MetricsApplicationEventListener(meterRegistry,
-					tagsProvider, server.getRequestsMetricName(),
-					server.isAutoTimeRequests(), new AnnotationUtilsAnnotationFinder()));
-		};
+		return (config) -> config.register(new MetricsApplicationEventListener(
+				meterRegistry, tagsProvider, server.getRequestsMetricName(),
+				server.isAutoTimeRequests(), new AnnotationUtilsAnnotationFinder()));
 	}
 
 	@Bean

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/export/properties/StepRegistryPropertiesTests.java

@@ -28,6 +28,7 @@ import static org.assertj.core.api.Assertions.assertThat;
  */
 public abstract class StepRegistryPropertiesTests {
 
+	@SuppressWarnings("deprecation")
 	protected void assertStepRegistryDefaultValues(StepRegistryProperties properties,
 			StepRegistryConfig config) {
 		assertThat(properties.getStep()).isEqualTo(config.step());

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/web/tomcat/TomcatMetricsAutoConfigurationTests.java

@@ -102,9 +102,8 @@ public class TomcatMetricsAutoConfigurationTests {
 				.withConfiguration(
 						AutoConfigurations.of(TomcatMetricsAutoConfiguration.class))
 				.withUserConfiguration(MeterRegistryConfiguration.class)
-				.run((context) -> {
-					assertThat(context).hasSingleBean(TomcatMetricsBinder.class);
-				});
+				.run((context) -> assertThat(context)
+						.hasSingleBean(TomcatMetricsBinder.class));
 	}
 
 	@Test