```java
import org.codelibs.core.collection.CollectionsUtil;
import java.util.SequencedCollection;

// Enhanced collection creation
List<String> list = CollectionsUtil.newArrayList();
Map<String, Object> map = CollectionsUtil.newLinkedHashMap();
Set<String> caseInsensitiveSet = new CaseInsensitiveSet<>();

// Java 21 Sequenced Collections support
SequencedCollection<String> sequenced = CollectionsUtil.newLinkedHashSet();

     */
    public static <E> SequencedCollection<E> reversed(final SequencedCollection<E> collection) {
        return collection.reversed();
    }

    /**
     * Returns the first entry of a sequenced map.
     *
     * @param <K> the key type
     * @param <V> the value type
     * @param map the sequenced map
     * @return the first entry, or null if the map is empty
     * @since Java 21