pmd styling fix

Author: namanONcode

zthread-core/src/main/java/io/github/namanoncode/zthread/DefaultEventDispatcher.java

@@ -48,7 +48,6 @@ public final class DefaultEventDispatcher implements EventDispatcher {
 
   private static final Logger LOG = LoggerFactory.getLogger(DefaultEventDispatcher.class);
 
-  @SuppressWarnings("PMD.LooseCoupling")
   private final Map<Class<? extends ZEvent>, List<HandlerEntry<?>>> handlers =
       new ConcurrentHashMap<>();
   private final RuntimeMetrics metrics;

zthread-core/src/main/java/io/github/namanoncode/zthread/exception/ConfigurationException.java

@@ -24,6 +24,9 @@
  */
 public class ConfigurationException extends ZThreadException {
 
+  @java.io.Serial
+  private static final long serialVersionUID = 1L;
+
   /** @param message the error message */
   public ConfigurationException(String message) {
     super(message);

zthread-core/src/main/java/io/github/namanoncode/zthread/exception/EventLoopException.java

@@ -24,6 +24,9 @@
  */
 public class EventLoopException extends ZThreadException {
 
+  @java.io.Serial
+  private static final long serialVersionUID = 1L;
+
   /** @param message the error message */
   public EventLoopException(String message) {
     super(message);

zthread-core/src/main/java/io/github/namanoncode/zthread/exception/NativeException.java

@@ -26,6 +26,9 @@
  */
 public class NativeException extends ZThreadException {
 
+  @java.io.Serial
+  private static final long serialVersionUID = 1L;
+
   private final int errno;
 
   /**

zthread-core/src/main/java/io/github/namanoncode/zthread/exception/RegistrationException.java

@@ -24,6 +24,9 @@
  */
 public class RegistrationException extends ZThreadException {
 
+  @java.io.Serial
+  private static final long serialVersionUID = 1L;
+
   /** @param message the error message */
   public RegistrationException(String message) {
     super(message);

zthread-core/src/main/java/io/github/namanoncode/zthread/exception/ZThreadException.java

@@ -24,6 +24,9 @@
  */
 public class ZThreadException extends RuntimeException {
 
+  @java.io.Serial
+  private static final long serialVersionUID = 1L;
+
   /**
    * Creates a new exception with the given message.
    *