//
            // ---
            //
            // If the CAS fails, the provided callable already started running (or it is about
            // to). Our contract promises:
            //
            // 1. not to execute a new callable until the old one has returned
            //
            // If we were to cancel taskFuture, that would let the next task start while the old

		return err == nil || errors.Is(err, io.EOF)
	}
	if err == nil || errors.Is(err, io.EOF) {
		tracker.logSuccess()
		return true
	}
	return false
}

// diskHealthWrapper provides either a io.Reader or io.Writer
// that updates status of the provided tracker.
// Use through diskHealthReader or diskHealthWriter.
type diskHealthWrapper struct {
	tracker *healthDiskCtxValue
	r       io.Reader

	},
	ErrOverlappingFilterNotification: {
		Code:           "InvalidArgument",
		Description:    "An object key name filtering rule defined with overlapping prefixes, overlapping suffixes, or overlapping combinations of prefixes and suffixes for the same event types.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrFilterNameInvalid: {
		Code:           "InvalidArgument",

import org.codelibs.fess.thumbnail.ThumbnailGenerator;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.DocumentUtil;

/**
 * Abstract base class for thumbnail generators.
 * Provides common functionality for thumbnail generation implementations.
 */
public abstract class BaseThumbnailGenerator implements ThumbnailGenerator {

[![Maven Central](https://maven-badges.herokuapp.com/maven-central/org.codelibs.fess/fess-suggest/badge.svg)](https://maven-badges.herokuapp.com/maven-central/org.codelibs.fess/fess-suggest)

A powerful Java library that provides intelligent search suggestion functionality built on top of OpenSearch/Elasticsearch. It offers auto-completion, query suggestions, and popular word analytics for search applications.

## Key Features

import org.codelibs.fess.crawler.exception.CrawlerSystemException;

/**
 * <p>
 * FileTransformer stores the content of a crawled resource as a file on the file system.
 * It extends HtmlTransformer and provides functionality to:
 * </p>
 * <ul>
 *     <li>Specify a base directory for storing files.</li>
 *     <li>Generate file paths from URLs, replacing special characters.</li>

     * Deletes a dictionary item.
     *
     * @param item the item to delete
     */
    public abstract void delete(T item);

    /**
     * A paginated list implementation that wraps another list and provides
     * pagination metadata and functionality.
     *
     * @param <E> the type of elements in this list
     */
    public static class PagingList<E> implements List<E> {

/**
 * Manages a dictionary file for stopwords.
 * This class handles reading, parsing, and updating files that contain
 * a list of stopwords. Each line in the file represents a single stopword.
 *
 * The class provides methods for retrieving, adding, updating, and
 * deleting stopword items, as well as reloading the dictionary
 * from its source file.
 */
public class StopwordsFile extends DictionaryFile<StopwordsItem> {

import org.codelibs.fess.helper.RelatedQueryHelper;
import org.codelibs.fess.mylasta.direction.FessConfig;

/**
 * A utility class for building query strings with proper escaping and parameters.
 * This class provides methods to construct search queries from various parameters,
 * handle special characters, and format the final query string for search operations.
 */
public class QueryStringBuilder {

import java.io.UnsupportedEncodingException;
import java.util.HashMap;

import jcifs.smb1.util.Encdec;

/**
 * NDR (Network Data Representation) buffer for encoding and decoding DCE/RPC messages.
 * This class provides methods for reading and writing primitive types and strings
 * in NDR format for DCE/RPC communication.
 */
public class NdrBuffer {
    int referent;
    HashMap referents;

    static class Entry {