1. Fork the repository
2. Create a feature branch: `git checkout -b feature/amazing-feature`
3. Follow coding standards: `mvn formatter:format`
4. Add tests for new functionality
5. Ensure all tests pass: `mvn test`
6. Check license headers: `mvn license:format`
7. Commit changes: `git commit -m 'Add amazing feature'`
8. Push to branch: `git push origin feature/amazing-feature`
9. Open a Pull Request

### Code Style

    }

    /**
     * Removes the path mapping list for a session.
     *
     * @param sessionId the session ID
     */
    public void removePathMappingList(final String sessionId) {
        pathMappingMap.remove(sessionId);
    }

    /**
     * Gets the path mapping list for a session.
     *
     * @param sessionId the session ID
     * @return the path mapping list
     */

    /**
     * The processing type for path mapping.
     */
    @Required
    public String processType;

    /**
     * The sort order for this path mapping (0-2147483647).
     */
    @Required
    @Min(value = 0)
    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer sortOrder;

    /**
     * The username who created this path mapping.
     */
    @Size(max = 1000)

 */
public class CharMappingCreator extends DictionaryCreator {
    private static final Logger logger = LogManager.getLogger(CharMappingCreator.class);

    /**
     * Constructs a new CharMappingCreator with the mapping file pattern.
     */
    public CharMappingCreator() {
        super("mapping.*\\.txt");
    }

    /**

                for (final String id : labelTypeIds) {
                    final ElevateWordToLabel mapping = new ElevateWordToLabel();
                    mapping.setElevateWordId(elevateWordId);
                    mapping.setLabelTypeId(id);
                    wctltmList.add(mapping);
                }
                elevateWordToLabelBhv.batchInsert(wctltmList, op -> {

    }

    /**
     * Closes the stream and deletes the temporary file if it was not retrieved.
     * If an error occurs during file deletion, it is logged but not thrown to avoid
     * masking exceptions from the main operation.
     *
     * @throws IOException if an I/O error occurs during stream closure
     */
    @Override
    public void close() throws IOException {
        try {
            super.close();

 * text during indexing and search operations.
 *
 * <p>Each mapping item consists of one or more input character sequences that are mapped to a single output
 * character sequence. The mapping supports both original values and new values for update operations.</p>
 */
public class CharMappingItem extends DictionaryItem {
    /**

 */
package org.codelibs.fess.app.web.api.admin.dict.mapping;

import org.codelibs.fess.app.web.admin.dict.mapping.DownloadForm;

/**
 * Download body for mapping dictionary API operations.
 * This class extends the DownloadForm to provide request body handling
 * for downloading mapping dictionaries via REST API.
 *
 */
public class DownloadBody extends DownloadForm {

    /**

 */
package org.codelibs.fess.app.web.api.admin.dict.mapping;

import org.codelibs.fess.app.web.admin.dict.mapping.EditForm;

/**
 * Request body class for mapping dictionary edit operations in the admin REST API.
 * This class extends EditForm to inherit the necessary form validation and binding capabilities
 * for mapping dictionary management operations.
 */
public class EditBody extends EditForm {

 */
package org.codelibs.fess.app.web.admin.dict.mapping;

import org.lastaflute.web.validation.Required;

/**
 * The download form for mapping dictionary.
 * This form is used for downloading mapping dictionary files from the admin interface.
 *
 */
public class DownloadForm {

    /**
     * Dictionary ID for identifying the mapping dictionary to download.
     */
    @Required