import jcifs.internal.dfs.DfsReferralDataImpl;
import jcifs.internal.dfs.DfsReferralDataInternal;

/**
 * Caching DFS resolver implementation
 *
 *
 * <p>This class is intended for internal use.</p>
 */
public class DfsImpl implements DfsResolver {

    private static final DfsReferralDataImpl NEGATIVE_ENTRY = new DfsReferralDataImpl();

    private static class CacheEntry<T> {

        long expiration;
        Map<String, T> map;