- OpenOffice/LibreOffice documents
- RTF, WordPerfect

#### PDFs and Images
- PDF documents (text and metadata extraction)
- Images (JPEG, PNG, GIF, TIFF, BMP)
- Image metadata (EXIF, IPTC, XMP)

#### Archives and Compressed Files
- ZIP, TAR, GZ archives
- LHA compression format
- Nested archive extraction

#### Web and Markup
- HTML, XHTML with XPath support
- XML documents

    /**
     * Checks if this generator can handle the given document.
     * @param docMap The document map containing metadata.
     * @return True if this generator can handle the document, false otherwise.
     */
    boolean isTarget(Map<String, Object> docMap);

    /**
     * Checks if this thumbnail generator is available for use.
     * @return True if available, false otherwise.

        fields.put(key, value);
    }

    @Override
    public Map<String, Object> toSource() {
        final Map<String, Object> sourceMap = super.toSource();
        if (fields != null) {
            sourceMap.putAll(fields);
        }
        return sourceMap;
    }

    @Override
    protected void addFieldToSource(final Map<String, Object> sourceMap, final String field, final Object value) {

	}
}

// Cleanup the map every one hour so that the log message is printed again for the user to notice.
func (l *logOnceType) cleanupRoutine() {
	for {
		time.Sleep(time.Hour)

		l.Lock()
		l.IDMap = make(map[string]onceErr)
		l.Unlock()
	}
}

// Returns logOnceType
func newLogOnceType() *logOnceType {
	l := &logOnceType{IDMap: make(map[string]onceErr)}
	go l.cleanupRoutine()

}

// GetTagsMap - returns the user defined tags in a map structure
func (r *ReqInfo) GetTagsMap() map[string]string {
	if r == nil {
		return nil
	}
	r.RLock()
	defer r.RUnlock()
	m := make(map[string]string, len(r.tags))
	for _, t := range r.tags {
		m[t.Key] = t.Val
	}
	return m
}

// PopulateTagsMap - returns the user defined tags in a map structure

 * an instance concurrently, and at least one thread modifies the map structurally,
 * it must be synchronized externally.
 * </p>
 * <p>
 * For thread-safe usage, wrap with {@link java.util.Collections#synchronizedMap(Map)}:
 * </p>
 * <pre>
 * Map&lt;K, V&gt; syncMap = Collections.synchronizedMap(new LruHashMap&lt;&gt;(100));
 * </pre>
 * <p>

import com.google.common.collect.testing.features.MapFeature;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests {@code toString()} operations on a map. Can't be invoked
 * directly; please see {@link com.google.common.collect.testing.MapTestSuiteBuilder}.
 *
 * @author Kevin Bourrillion

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.dcerpc;

import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.Map.Entry;

import jcifs.dcerpc.msrpc.lsarpc;
import jcifs.dcerpc.msrpc.netdfs;
import jcifs.dcerpc.msrpc.samr;
import jcifs.dcerpc.msrpc.srvsvc;

/**

import java.util.Map;
import org.jspecify.annotations.NullUnmarked;

@GwtCompatible
@NullUnmarked
public class ImmutableMapWithBadHashesMapInterfaceTest
    extends AbstractImmutableMapMapInterfaceTest<Object, Integer> {
  @Override
  protected Map<Object, Integer> makeEmptyMap() {
    throw new UnsupportedOperationException();
  }

  @Override
  protected Map<Object, Integer> makePopulatedMap() {

        final Map<String, Map<String, Object>> documentsByIdMap = new HashMap<>();
        final String idField = fessConfig.getIndexFieldId();
        final Set<Object> mainSearcherIdSet = new HashSet<>();
        for (int searcherIndex = 0; searcherIndex < results.length; searcherIndex++) {
            final List<Map<String, Object>> docList = results[searcherIndex].getDocumentList();