function updateProgressMessage(message) {
        elements.progressMessage.text(message);
    }

    /**
     * Show progress indicator
     */
    function showProgressIndicator() {
        // Reset all steps
        $('.progress-step').removeClass('active completed');
        elements.progressMessage.text('');
        elements.progressIndicator.removeClass('d-none');
    }

    /**

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

import org.codelibs.fess.app.web.admin.relatedcontent.EditForm;

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

    /**

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

import org.codelibs.fess.app.web.admin.user.EditForm;

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

    /**
     * Default constructor.

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

import org.codelibs.fess.app.web.admin.crawlinginfo.EditForm;

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

    /**

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

    /**
     * Default constructor.
     */
    public DownloadBody() {
        super();
    }

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

import org.codelibs.fess.app.web.admin.duplicatehost.EditForm;

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

    /**

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

import org.codelibs.fess.app.web.admin.elevateword.EditForm;

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

    /**

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

import org.codelibs.fess.app.web.admin.failureurl.EditForm;

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

    /**

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

import org.codelibs.fess.app.web.admin.fileauth.EditForm;

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

    /**

    if (tree instanceof BaseGraph) {
      checkArgument(((BaseGraph<?>) tree).isDirected(), "Undirected graphs can never be trees.");
    }
    if (tree instanceof Network) {
      checkArgument(((Network<?, ?>) tree).isDirected(), "Undirected networks can never be trees.");
    }
    return new Traverser<N>(tree) {
      @Override
      Traversal<N> newTraversal() {
        return Traversal.inTree(tree);