Review fixes for jetty-httpclient-9.2:library (#18083)

Co-authored-by: otelbot <197425009+otelbot@users.noreply.github.com>

Author: otelbot[bot]

instrumentation/jetty-httpclient/jetty-httpclient-9.2/library/src/main/java/io/opentelemetry/instrumentation/jetty/httpclient/v9_2/internal/JettyClientHttpAttributesGetter.java

@@ -18,8 +18,7 @@
  * This class is internal and is hence not for public use. Its APIs are unstable and can change at
  * any time.
  */
-public class JettyClientHttpAttributesGetter
-    implements HttpClientAttributesGetter<Request, Response> {
+class JettyClientHttpAttributesGetter implements HttpClientAttributesGetter<Request, Response> {
 
   @Override
   @Nullable

instrumentation/jetty-httpclient/jetty-httpclient-9.2/library/src/main/java/io/opentelemetry/instrumentation/jetty/httpclient/v9_2/internal/JettyClientTracingListener.java

@@ -33,7 +33,7 @@ public final class JettyClientTracingListener
 
   private static final Logger logger = Logger.getLogger(JettyClientTracingListener.class.getName());
 
-  private static final Class<?>[] requestlistenerInterfaces = {
+  private static final Class<?>[] REQUEST_LISTENER_INTERFACES = {
     Request.BeginListener.class,
     Request.FailureListener.class,
     Request.SuccessListener.class,
@@ -89,7 +89,7 @@ private static void wrapRequestListeners(
 
       Class<?> listenerClass = listener.getClass();
 
-      for (Class<?> type : requestlistenerInterfaces) {
+      for (Class<?> type : REQUEST_LISTENER_INTERFACES) {
         if (type.isInstance(listener)) {
           interfaces.add(type);
         }

instrumentation/jetty-httpclient/jetty-httpclient-9.2/library/src/main/java/io/opentelemetry/instrumentation/jetty/httpclient/v9_2/internal/JettyClientWrapUtil.java

@@ -22,7 +22,7 @@
  */
 public final class JettyClientWrapUtil {
 
-  private static final Class<?>[] listenerInterfaces = buildListenerInterfaces();
+  private static final Class<?>[] LISTENER_INTERFACES = buildListenerInterfaces();
 
   private static Class<?>[] buildListenerInterfaces() {
     List<Class<?>> interfaces =
@@ -74,7 +74,7 @@ private static Response.ResponseListener wrapTheListener(
 
     Class<?> listenerClass = listener.getClass();
     List<Class<?>> interfaces = new ArrayList<>();
-    for (Class<?> type : listenerInterfaces) {
+    for (Class<?> type : LISTENER_INTERFACES) {
       if (type.isInstance(listener)) {
         interfaces.add(type);
       }