* @author Nick Kralevich
 */
@GwtCompatible
@SuppressWarnings("serial") // uses writeReplace(), not default serialization
final class SingletonImmutableSet<E> extends ImmutableSet<E> {
  // We deliberately avoid caching the asList and hashCode here, to ensure that with
  // compressed oops, a SingletonImmutableSet packs all the way down to the optimal 16 bytes.

  final transient E element;

  SingletonImmutableSet(E element) {

/**
 * A builder of {@link LoadingCache} and {@link Cache} instances.
 *
 * <h2>Prefer <a href="https://github.com/ben-manes/caffeine/wiki">Caffeine</a> over Guava's caching
 * API</h2>
 *
 * <p>The successor to Guava's caching API is <a
 * href="https://github.com/ben-manes/caffeine/wiki">Caffeine</a>. Its API is designed to make it a

            }
        }
    }

    /**
     * Retrieves a client that matches the given URL key.
     * @param urlKey The URL key to match.
     * @return The matching CrawlerClient instance, or null if no match is found.
     */
    public CrawlerClient getClient(final String urlKey) {
        if (StringUtil.isBlank(urlKey)) {
            return null;
        }

        }
        if (allRequired) {
            hash = hash * 31 + 2;
        }
        return hash;
    }

    /**
     * Sets the map of regular expressions to be used for matching.
     *
     * @param regexMap a map where the key is the field name and the value is the Pattern object
     */
    public void setRegexMap(final Map<String, Pattern> regexMap) {
        this.regexMap = regexMap;

        return StringUtil.isBlank(s) ? StringUtil.EMPTY : "/" + s;
    }

    /**
     * Gets the virtual host key from the current request.
     * The key is determined by matching HTTP headers against configured virtual hosts.
     *
     * @return The virtual host key, or empty string if no match found
     */
    public String getVirtualHostKey() {

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.smb.SmbFile;

/**
 * Manager for directory leases and caching
 */
public class DirectoryLeaseManager {

    private static final Logger log = LoggerFactory.getLogger(DirectoryLeaseManager.class);

    private final CIFSContext context;

     */
    public ErrorToWarnRewritePolicy(final String[] loggerNames) {
        this.loggerNames = loggerNames;
    }

    /**
     * Rewrites log events by converting ERROR level to WARN level for matching loggers.
     *
     * @param event the log event to potentially rewrite
     * @return the original event or a new event with WARN level if conversion applied
     */
    @Override

          null -> return // no open event
          true -> return // found open event
          false -> return@loop // this is not the open event so continue
        }
      }
      fail<Any>("event $e without matching start event")
    }
  }

- **Thread Safety**: Components support concurrent access
- **DFS Support**: Distributed File System resolution
- **Streaming Operations**: Efficient directory listings and file operations
- **Buffer Caching**: Optimized buffer management
- **DCE/RPC Protocol**: Support for advanced operations

## Quick Start

### Basic Usage

```java
import jcifs.CIFSContext;
import jcifs.context.SingletonContext;

     *
     * @param relatedQueryPager the pager containing pagination parameters and search conditions
     * @return a list of RelatedQuery entities matching the search criteria
     */
    public List<RelatedQuery> getRelatedQueryList(final RelatedQueryPager relatedQueryPager) {

        final PagingResultBean<RelatedQuery> relatedQueryList = relatedQueryBhv.selectPage(cb -> {