import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.common.PDNameTreeNode;
import org.apache.pdfbox.pdmodel.common.filespecification.PDComplexFileSpecification;
import org.apache.pdfbox.pdmodel.common.filespecification.PDEmbeddedFile;
import org.apache.pdfbox.pdmodel.common.filespecification.PDFileSpecification;
import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotation;

    /**
     * Checks if the crawler threads are daemon threads.
     * @return true if daemon threads, false otherwise.
     */
    public boolean isDaemon() {
        return daemon;
    }

    /**
     * Sets whether the crawler threads should be daemon threads.
     * @param daemon true to make threads daemon, false otherwise.
     */
    public void setDaemon(final boolean daemon) {
        this.daemon = daemon;
    }

import org.codelibs.nekohtml.parsers.DOMParser;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.xml.sax.InputSource;

import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;

import jakarta.annotation.Resource;

/**

import org.opensearch.action.support.clustermanager.AcknowledgedResponse;
import org.opensearch.cluster.metadata.MappingMetadata;
import org.opensearch.common.unit.TimeValue;
import org.opensearch.common.xcontent.XContentType;
import org.opensearch.core.rest.RestStatus;
import org.opensearch.core.xcontent.XContentBuilder;
import org.opensearch.index.IndexNotFoundException;

import org.opensearch.action.search.SearchResponse;
import org.opensearch.common.lucene.search.function.CombineFunction;
import org.opensearch.common.lucene.search.function.FieldValueFactorFunction;
import org.opensearch.common.lucene.search.function.FunctionScoreQuery;
import org.opensearch.core.action.ActionListener;
import org.opensearch.core.common.Strings;
import org.opensearch.index.query.BoolQueryBuilder;

import org.codelibs.fess.crawler.util.XmlUtil;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;

import jakarta.annotation.Resource;

/**
 * <p>

import org.opensearch.action.admin.indices.create.CreateIndexResponse;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.common.xcontent.XContentFactory;
import org.opensearch.common.xcontent.XContentType;
import org.opensearch.common.xcontent.json.JsonXContent;
import org.opensearch.core.xcontent.XContentBuilder;
import org.opensearch.index.IndexNotFoundException;

import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.opensearch.action.admin.indices.create.CreateIndexResponse;
import org.opensearch.common.settings.Settings;
import org.opensearch.common.xcontent.XContentFactory;
import org.opensearch.transport.client.Client;

public class AnalyzerConverterTest {

    private static OpenSearchRunner runner;
    private static Client client;

import org.codelibs.fess.suggest.exception.SuggesterException;
import org.opensearch.action.get.GetResponse;
import org.opensearch.common.collect.Tuple;
import org.opensearch.common.xcontent.XContentType;
import org.opensearch.common.xcontent.json.JsonXContent;
import org.opensearch.core.xcontent.XContentBuilder;
import org.opensearch.index.IndexNotFoundException;
import org.opensearch.transport.client.Client;

container.singleton("fileTransformer", FileTransformer.class, transformer -> {
    transformer.setMaxContentSize(10 * 1024 * 1024); // 10MB limit
});
```

## Troubleshooting

### Common Issues

#### Connection Timeouts
```java
// Increase timeout values
client.setConnectionTimeout(60000);  // 60 seconds
client.setSocketTimeout(120000);     // 120 seconds
```

#### Memory Issues