return OptionalUtil.ofNullable(fileConfig);
    }

    /**
     * Gets all label types (collections) parsed from the GSA configuration.
     * Each label type represents a collection with its own URL filtering rules.
     *
     * @return an array of label types representing the parsed collections
     */
    public LabelType[] getLabelTypes() {

            return "failed({from = " + from + ", cause = " + cause + "})";
          }
        });
  }

  /**
   * An immutable snapshot of the current state of the service. This class represents a consistent
   * snapshot of the state and therefore it can be used to answer simple queries without needing to
   * grab a lock.
   */

import org.codelibs.fess.crawler.service.UrlQueueService;
import org.codelibs.fess.crawler.util.CrawlingParameterUtil;

import jakarta.annotation.Resource;

/**
 * The {@code CrawlerThread} class represents a thread that executes the crawling process.
 * It is responsible for fetching URLs from the queue, accessing the content,
 * processing the response, and extracting child URLs.
 *
 * <p>

            return count.decrementAndGet();
        }
    }

    /**
     * Enumeration of predefined statistics actions that can be recorded
     * during crawler operations. Each action represents a specific event
     * or milestone in the crawling process.
     */
    public enum StatsAction {
        /** Indicates that a URL was successfully accessed. */
        ACCESSED,

        /** Least connections */
        LEAST_CONNECTIONS,
        /** Random selection */
        RANDOM,
        /** Failover only (use primary until failure) */
        FAILOVER_ONLY
    }

    /**
     * Represents a group of channels for a single session.
     */
    public static class ChannelGroup {
        private final String sessionId;
        private final List<ChannelInfo> channels = new CopyOnWriteArrayList<>();

      "Derivative Works" shall mean any work, whether in Source or Object
      form, that is based on (or derived from) the Work and for which the
      editorial revisions, annotations, elaborations, or other modifications
      represent, as a whole, an original work of authorship. For the purposes
      of this License, Derivative Works shall not include works that remain
      separable from, or merely link (or bind by name) to the interfaces of,

 * the reference is "absent"); it is never said to "contain {@code null}".
 *
 * <p>A non-null {@code Optional<T>} reference can be used as a replacement for a nullable {@code T}
 * reference. It allows you to represent "a {@code T} that must be present" and a "a {@code T} that
 * might be absent" as two distinct types in your program, which can aid clarity.
 *
 * <p>Some uses of this class include
 *
 * <ul>

import org.apache.commons.io.IOUtils;
import org.codelibs.curl.Curl.Method;
import org.codelibs.curl.io.ContentCache;
import org.codelibs.curl.io.ContentOutputStream;

/**
 * The CurlRequest class represents an HTTP request that can be configured and executed.
 * It supports various HTTP methods, request parameters, headers, body content, and more.
 */
public class CurlRequest {

    /**
     * The GZIP compression type.

import org.apache.maven.api.annotations.Nullable;
import org.apache.maven.api.annotations.ThreadSafe;

/**
 * An immutable XML node representation that provides a clean API for working with XML data structures.
 * This interface represents a single node in an XML document tree, containing information about
 * the node's name, value, attributes, and child nodes.
 *
 * <p>Example usage:</p>
 * <pre>
 * XmlNode node = XmlNode.newBuilder()

	"github.com/minio/pkg/v3/ellipses"
	"github.com/minio/pkg/v3/env"
)

// This file implements and supports ellipses pattern for
// `minio server` command line arguments.

// Endpoint set represents parsed ellipses values, also provides
// methods to get the sets of endpoints.
type endpointSet struct {
	argPatterns []ellipses.ArgPattern
	endpoints   []string   // Endpoints saved from previous GetEndpoints().