Update release notes wrt #4209, minor clean up

Author: cowtowncoder

release-notes/CREDITS-2.x

@@ -1723,3 +1723,8 @@ Jan Pachol (janpacho@github)
  * Reported #4175: Exception when deserialization of `private` record with
    default constructor
   (2.16.0)
+
+Muhammad Khalikov (mukham12@github)
+ * Contributed fix for #4209: Make `BeanDeserializerModifier`/`BeanSerializerModifier`
+  implement `java.io.Serializable`
+ (2.17.0)

release-notes/VERSION-2.x

@@ -6,7 +6,9 @@ Project: jackson-databind
 
 2.17.0 (not yet released)
 
--
+#4209: Make `BeanDeserializerModifier`/`BeanSerializerModifier`
+  implement `java.io.Serializable`
+ (fix contributed by Muhammad K)
 
 2.16.0 (15-Nov-2023)
 

src/main/java/com/fasterxml/jackson/databind/deser/BeanDeserializerModifier.java

@@ -46,8 +46,11 @@
  * but have no effect; this is mostly so that new methods can be added in later
  * versions.
  */
-public abstract class BeanDeserializerModifier implements Serializable
+public abstract class BeanDeserializerModifier
+    implements Serializable // @since 2.17
 {
+    private static final long serialVersionUID = 1L;
+
     /**
      * Method called by {@link BeanDeserializerFactory} when it has collected
      * initial list of {@link BeanPropertyDefinition}s, and done basic by-name
@@ -200,4 +203,4 @@ public KeyDeserializer modifyKeyDeserializer(DeserializationConfig config,
             JavaType type, KeyDeserializer deserializer) {
         return deserializer;
     }
-}
+}

src/main/java/com/fasterxml/jackson/databind/ser/BeanSerializerModifier.java

@@ -34,8 +34,11 @@
  * Default method implementations are "no-op"s, meaning that methods are implemented
  * but have no effect.
  */
-public abstract class BeanSerializerModifier implements Serializable
+public abstract class BeanSerializerModifier
+    implements Serializable // @since 2.17
 {
+    private static final long serialVersionUID = 1L;
+
     /**
      * Method called by {@link BeanSerializerFactory} with tentative set
      * of discovered properties.