Polish "Fix use of deprecated Mongo API"

Closes gh-14318

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

@@ -83,7 +83,7 @@ public class ReactiveMongoClientFactory {
 		Builder builder = builder(settings);
 		String host = (this.properties.getHost() != null) ? this.properties.getHost()
 				: "localhost";
-		builder.applyToClusterSettings(cluster -> cluster
+		builder.applyToClusterSettings((cluster) -> cluster
 				.hosts(Collections.singletonList(new ServerAddress(host, port))));
 		return createMongoClient(builder);
 	}
@@ -108,7 +108,7 @@ public class ReactiveMongoClientFactory {
 		int port = getOrDefault(this.properties.getPort(), MongoProperties.DEFAULT_PORT);
 		ServerAddress serverAddress = new ServerAddress(host, port);
 		builder.applyToClusterSettings(
-				cluster -> cluster.hosts(Collections.singletonList(serverAddress)));
+				(cluster) -> cluster.hosts(Collections.singletonList(serverAddress)));
 		return createMongoClient(builder);
 	}
 

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/mongo/MongoReactiveAutoConfigurationTests.java

@@ -121,7 +121,7 @@ public class MongoReactiveAutoConfigurationTests {
 		public MongoClientSettings mongoClientSettings() {
 			return MongoClientSettings.builder().readPreference(ReadPreference.nearest())
 					.applyToSocketSettings(
-							socket -> socket.readTimeout(300, TimeUnit.SECONDS))
+							(socket) -> socket.readTimeout(300, TimeUnit.SECONDS))
 					.build();
 		}
 

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/mongo/ReactiveMongoClientFactoryTests.java

@@ -19,9 +19,9 @@ package org.springframework.boot.autoconfigure.mongo;
 import java.util.Arrays;
 import java.util.List;
 
+import com.mongodb.MongoClientSettings;
 import com.mongodb.MongoCredential;
 import com.mongodb.ServerAddress;
-import com.mongodb.MongoClientSettings;
 import com.mongodb.connection.ClusterSettings;
 import com.mongodb.reactivestreams.client.MongoClient;
 import org.junit.Rule;