docs: added JavaDoc

simple-jwt-jjwt/src/main/java/com/onixbyte/simplejwt/jjwt/JjwtTokenResolver.java

@@ -233,7 +233,7 @@ public class JjwtTokenResolver implements TokenResolver<Jws<Claims>> {
      *                    token
      * @return the generated token as a {@code String} or {@code null} if
      * creation fails
-     * @see MapUtil#objectToMap(Object)
+     * @see MapUtil#objectToMap(Object, Map)
      */
     @Override
     public <T extends TokenPayload> String createToken(Duration expireAfter, String audience, String subject, T payload) {
@@ -291,7 +291,7 @@ public class JjwtTokenResolver implements TokenResolver<Jws<Claims>> {
      * @param targetType the target class representing the payload data type
      * @return an instance of the specified target type with the extracted
      * payload data, or {@code null} if extraction fails.
-     * @see MapUtil#mapToObject(Map, Class)
+     * @see MapUtil#mapToObject(Map, Object, Map)
      */
     @Override
     public <T extends TokenPayload> T extract(String token, Class<T> targetType) {

simple-jwt-jjwt/src/main/java/com/onixbyte/simplejwt/jjwt/config/JjwtTokenResolverConfig.java

@@ -61,6 +61,10 @@ import java.util.Map;
  */
 public final class JjwtTokenResolverConfig implements TokenResolverConfig<SecureDigestAlgorithm<SecretKey, SecretKey>> {
 
+    /**
+     * Get the instance for io.jsonwebtoken:jjwt config.
+     * @return the instance for io.jsonwebtoken:jjwt config
+     */
     public static JjwtTokenResolverConfig getInstance() {
         if (instance == null) {
             instance = new JjwtTokenResolverConfig();