Fix checkstyle header violations

See gh-24337

Author: philwebb

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/cassandra/CassandraReactiveHealthContributorAutoConfiguration.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.autoconfigure.cassandra;
 
 import java.util.Map;

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/servlet/CloudFoundryInfoEndpointWebExtension.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.autoconfigure.cloudfoundry.servlet;
 
 import java.util.Map;

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/couchbase/CouchbaseHealthContributorAutoConfiguration.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.autoconfigure.couchbase;
 
 import java.util.Map;

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/couchbase/CouchbaseReactiveHealthContributorAutoConfiguration.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.autoconfigure.couchbase;
 
 import java.util.Map;

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/jersey/JerseyChildManagementContextConfiguration.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.autoconfigure.web.jersey;
 
 import org.glassfish.jersey.server.ResourceConfig;

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/jersey/JerseyManagementContextConfiguration.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.autoconfigure.web.jersey;
 
 import org.glassfish.jersey.server.ResourceConfig;

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/jersey/JerseySameManagementContextConfiguration.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.autoconfigure.web.jersey;
 
 import org.glassfish.jersey.server.ResourceConfig;

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/servlet/CloudFoundryInfoEndpointWebExtensionTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.autoconfigure.cloudfoundry.servlet;
 
 import java.util.Map;

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/couchbase/CouchbaseHealthContributorAutoConfigurationTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.autoconfigure.couchbase;
 
 import com.couchbase.client.java.Cluster;

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/security/servlet/AbstractEndpointRequestIntegrationTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.autoconfigure.security.servlet;
 
 import java.util.Base64;

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/security/servlet/JerseyEndpointRequestIntegrationTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.autoconfigure.security.servlet;
 
 import org.glassfish.jersey.server.ResourceConfig;

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/security/servlet/MvcEndpointRequestIntegrationTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.autoconfigure.security.servlet;
 
 import org.junit.jupiter.api.Test;

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/web/jersey/JerseySameManagementContextConfigurationTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.autoconfigure.web.jersey;
 
 import org.glassfish.jersey.server.ResourceConfig;

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/web/server/ManagementContextAutoConfigurationTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.autoconfigure.web.server;
 
 import java.util.function.Consumer;

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/cassandra/CassandraReactiveHealthIndicator.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.cassandra;
 
 import com.datastax.driver.core.ConsistencyLevel;

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/couchbase/CouchbaseReactiveHealthIndicator.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.couchbase;
 
 import com.couchbase.client.core.message.internal.DiagnosticsReport;

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/cassandra/CassandraReactiveHealthIndicatorTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.cassandra;
 
 import com.datastax.driver.core.Statement;

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/couchbase/CouchbaseReactiveHealthIndicatorTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.couchbase;
 
 import java.net.InetSocketAddress;

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/web/trace/reactive/ServerWebExchangeTraceableRequestTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.web.trace.reactive;
 
 import java.net.InetSocketAddress;

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/web/trace/servlet/TraceableHttpServletRequestTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.actuate.web.trace.servlet;
 
 import org.junit.jupiter.api.BeforeEach;

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/data/mongo/MongoDataConfiguration.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.data.mongo;
 
 import java.util.Collections;

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jdbc/XADataSourceAutoConfiguration.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.jdbc;
 
 import java.util.HashMap;
@@ -105,7 +106,7 @@ private void bindXaProperties(XADataSource target, DataSourceProperties dataSour
 	}
 
 	private ConfigurationPropertySource getBinderSource(DataSourceProperties dataSourceProperties) {
-		Map<Object, Object> properties = new HashMap<Object, Object>();
+		Map<Object, Object> properties = new HashMap<>();
 		properties.putAll(dataSourceProperties.getXa().getProperties());
 		properties.computeIfAbsent("user", (key) -> dataSourceProperties.determineUsername());
 		properties.computeIfAbsent("password", (key) -> dataSourceProperties.determinePassword());

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/oauth2/client/ClientsConfiguredCondition.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.security.oauth2.client;
 
 import java.util.Collections;

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/oauth2/client/reactive/ReactiveOAuth2ClientAutoConfiguration.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.security.oauth2.client.reactive;
 
 import reactor.core.publisher.Flux;

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/oauth2/resource/IssuerUriCondition.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.security.oauth2.resource;
 
 import org.springframework.boot.autoconfigure.condition.ConditionMessage;

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/oauth2/resource/OAuth2ResourceServerProperties.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.security.oauth2.resource;
 
 import java.io.IOException;

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/oauth2/resource/reactive/ReactiveOAuth2ResourceServerAutoConfiguration.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.security.oauth2.resource.reactive;
 
 import org.springframework.boot.autoconfigure.AutoConfigureBefore;

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/oauth2/resource/reactive/ReactiveOAuth2ResourceServerJwkConfiguration.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.security.oauth2.resource.reactive;
 
 import java.security.KeyFactory;

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/oauth2/resource/servlet/OAuth2ResourceServerAutoConfiguration.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.security.oauth2.resource.servlet;
 
 import org.springframework.boot.autoconfigure.AutoConfigureBefore;

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/oauth2/resource/servlet/OAuth2ResourceServerJwtConfiguration.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.security.oauth2.resource.servlet;
 
 import java.security.KeyFactory;

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/oauth2/resource/servlet/OAuth2ResourceServerOpaqueTokenConfiguration.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.security.oauth2.resource.servlet;
 
 import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/saml2/RegistrationConfiguredCondition.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.security.saml2;
 
 import java.util.Collections;

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/servlet/JerseyRequestMatcherProvider.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.security.servlet;
 
 import org.springframework.boot.autoconfigure.web.servlet.JerseyApplicationPath;

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/servlet/RequestMatcherProvider.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.security.servlet;
 
 import org.springframework.security.web.util.matcher.RequestMatcher;

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/reactive/WebFluxRegistrations.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.web.reactive;
 
 import org.springframework.web.reactive.result.method.annotation.RequestMappingHandlerAdapter;

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/DefaultJerseyApplicationPath.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.web.servlet;
 
 import javax.ws.rs.ApplicationPath;

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/JerseyApplicationPath.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.web.servlet;
 
 import org.springframework.boot.web.servlet.ServletRegistrationBean;

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/elasticsearch/ElasticsearchAutoConfigurationTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.data.elasticsearch;
 
 import java.time.Duration;

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/http/codec/CodecsAutoConfigurationTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.http.codec;
 
 import java.lang.reflect.Method;

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/security/oauth2/client/reactive/ReactiveOAuth2ClientAutoConfigurationTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.security.oauth2.client.reactive;
 
 import java.time.Duration;

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/security/oauth2/resource/reactive/ReactiveOAuth2ResourceServerAutoConfigurationTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.security.oauth2.resource.reactive;
 
 import java.io.IOException;

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/security/oauth2/resource/servlet/OAuth2ResourceServerAutoConfigurationTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.security.oauth2.resource.servlet;
 
 import java.util.Collection;

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/servlet/JerseyApplicationPathTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.autoconfigure.web.servlet;
 
 import org.junit.jupiter.api.Test;

spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/web/reactive/webclient/ExampleWebExceptionHandler.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.test.autoconfigure.web.reactive.webclient;
 
 import reactor.core.publisher.Mono;

spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/web/servlet/MockMvcAutoConfigurationTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.test.autoconfigure.web.servlet;
 
 import org.junit.jupiter.api.Test;

spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/web/servlet/SpringBootMockMvcBuilderCustomizerTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.test.autoconfigure.web.servlet;
 
 import java.util.ArrayList;

spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/web/SpringBootTestRandomPortEnvironmentPostProcessor.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.test.web;
 
 import java.util.Objects;

spring-boot-project/spring-boot-test/src/test/java/org/springframework/boot/test/system/OutputExtensionExtendWithTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.boot.test.system;
 
 import org.junit.jupiter.api.Test;