Make checkstyle happy

Author: swallez

examples/esql-article/src/main/java/co/elastic/clients/esql/article/EsqlArticle.java

@@ -38,28 +38,24 @@
 import org.apache.http.message.BasicHeader;
 import org.elasticsearch.client.RestClient;
 
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.net.URI;
 import java.net.http.HttpClient;
 import java.net.http.HttpRequest;
 import java.net.http.HttpResponse;
-import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.time.Duration;
 import java.time.Instant;
 import java.util.List;
-import java.util.Properties;
 import java.util.stream.Collectors;
 
 public class EsqlArticle {
 
     public static void main(String[] args) throws IOException, SQLException, InterruptedException {
-        
+
         String serverUrl = System.getenv("server-url");
         String apiKey = System.getenv("api-key");
         String booksUrl = "https://raw.githubusercontent" +

java-client/src/main/java/co/elastic/clients/transport/ElasticsearchTransportBase.java

@@ -21,7 +21,6 @@
 
 import co.elastic.clients.elasticsearch._types.ElasticsearchException;
 import co.elastic.clients.elasticsearch._types.ErrorResponse;
-import co.elastic.clients.json.DelegatingJsonGenerator;
 import co.elastic.clients.json.JsonpDeserializer;
 import co.elastic.clients.json.JsonpMapper;
 import co.elastic.clients.json.NdJsonpSerializable;

java-client/src/main/java/co/elastic/clients/transport/endpoints/EndpointBase.java

@@ -83,7 +83,7 @@ public static <T, U extends JsonpSerializable> Function<T, Object> nonEmptyJsonO
     private static final class NonEmptySerializable implements JsonpSerializable {
         private final Object value;
 
-        public NonEmptySerializable(Object value) {
+        NonEmptySerializable(Object value) {
             this.value = value;
         }