import java.io.Serializable;

import org.codelibs.core.lang.StringUtil;

/**
 * Represents an HTTP request header with a name and value.
 * This class is used to encapsulate the header information for HTTP requests.
 * It provides methods to get and set the name and value of the header,
 * as well as a method to validate the header.
 *
 * <p>Example usage:</p>
 * <pre>

/**
 * The {@link CrawlerContext} class holds the context information for a crawler execution.
 * It contains various attributes related to the crawler's state, configuration, and runtime data.
 * This class provides methods to access and modify these attributes, allowing for control and monitoring
 * of the crawler's behavior.
 *
 * <p>
 * The context includes information such as the session ID, active thread count, access count, crawler status,

    }

    /**
     * Stores response data as a file on the file system.
     *
     * @param responseData the response data to store
     * @param resultData the result data to populate with file information
     * @throws CrawlerSystemException if file storage fails
     */
    @Override
    public void storeData(final ResponseData responseData, final ResultData resultData) {

    /**
     * Constructs a new AbstractXmlExtractor.
     */
    public AbstractXmlExtractor() {
        // NOP
    }

    /**
     * Returns the pattern used to extract encoding information from content.
     * @return The encoding pattern.
     */
    protected abstract Pattern getEncodingPattern();

    /**
     * Returns the pattern used to identify tags in the content.

<?xml version="1.0" encoding="UTF-8"?>
<!--
  Licensed to the Apache Software Foundation (ASF) under one or more
  contributor license agreements.  See the NOTICE file distributed with
  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with
  the License.  You may obtain a copy of the License at

            } else if (logger.isDebugEnabled()) {
                logger.debug("Logged in {}", originalLoginUrl);
            }
        });

    }

    /**
     * Parses the token page and extracts token information.
     * @param tokenPattern The regex pattern to extract the token.
     * @param responseParams The list to store response parameters.
     * @param entity The HTTP entity containing the token page content.
     */

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            throw new CrawlingAccessException("Could not access " + uri, e);
        }
        return responseData;
    }

    /**
     * Retrieves metadata information for an object in the specified bucket.
     * @param bucketName the name of the bucket containing the object
     * @param path the path to the object within the bucket

        }
    }

    /**
     * Processes robots.txt for the given URL.
     * This method fetches and parses the robots.txt file to extract disallow/allow rules
     * and sitemap information.
     *
     * @param url The URL to process robots.txt for
     */
    protected void processRobotsTxt(final String url) {
        if (StringUtil.isBlank(url)) {

                }
            }
        }
    }

    /**
     * Creates an NTLM password authenticator from the given SMB authentication.
     *
     * @param smbAuthentication the SMB authentication information
     * @return the NTLM password authenticator
     */
    protected NtlmPasswordAuthenticator getAuthenticator(final SmbAuthentication smbAuthentication) {