// Bean copying with flexible options
BeanUtil.copyBeanToBean(source, destination);
BeanUtil.copyBeanToBean(source, destination, options -> 
    options.exclude("password", "internalId"));

// Convert between beans and maps
Map<String, Object> map = BeanUtil.copyBeanToNewMap(bean);
MyBean newBean = BeanUtil.copyMapToNewBean(map, MyBean.class);
```

### Type Conversion
```java
import org.codelibs.core.convert.*;

import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Lists;
import com.google.common.collect.MapMaker;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import com.google.j2objc.annotations.Weak;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.EnumMap;
import java.util.List;

        assertTrue(result instanceof BoolQueryBuilder);

        BoolQueryBuilder boolResult = (BoolQueryBuilder) result;
        assertTrue(boolResult.hasClauses());
    }

    // Test with FILTER occur type (which maps to default case)
    public void test_convertBooleanQuery_withFilterClause() {
        BooleanQuery.Builder boolQueryBuilder = new BooleanQuery.Builder();
        TermQuery termQuery1 = new TermQuery(new Term("field1", "value1"));

        public MockSuggestDeleteResponse deleteQueryWords() {
            return new MockSuggestDeleteResponse();
        }

        public void indexFromSearchWord(String searchWord, String[] fields, String[] tags, String[] roles, int weight, String[] langs) {
            // Mock implementation
        }

        public void deleteElevateWord(String word, boolean apply) {
            // Mock implementation
        }

@GwtIncompatible
public class TestsForMapsInJavaUtil {

  public static Test suite() {
    return new TestsForMapsInJavaUtil().allTests();
  }

  public Test allTests() {
    TestSuite suite = new TestSuite("java.util Maps");
    suite.addTest(testsForCheckedMap());
    suite.addTest(testsForCheckedSortedMap());
    suite.addTest(testsForEmptyMap());
    suite.addTest(testsForSingletonMap());
    suite.addTest(testsForHashMap());

import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.collect.Iterators.emptyIterator;
import static com.google.common.collect.Maps.immutableEntry;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.VisibleForTesting;
import com.google.errorprone.annotations.concurrent.LazyInit;
import java.io.Serializable;

                        result = result.replace("${" + key + ".age}", String.valueOf(user.age));
                    } else if (value instanceof Map) {
                        // Handle nested maps
                        handleNestedMap(result, key, (Map<String, Object>) value);
                        // For simplicity in test, just handle one level

	                                                        >
	                                                            <em class="fa fa-tags">
	                                                            <la:message key="labels.storage_button_tags"/>
	                                                        </a>

   * display. This includes two values for each extreme.
   *
   * <p>This method (dangerously) assume that the strings {@code "!! a"} and {@code "~~ z"} will
   * work for this purpose, which may cause problems for navigable maps with non-string or unicode
   * generators.
   */
  private List<String> getExtremeValues() {
    List<String> result = new ArrayList<>();
    result.add("!! a");
    result.add("!! b");
    result.add("~~ y");

  "fiscalYearStartMonth": 0,
  "gnetId": 15306,
  "graphTooltip": 0,
  "id": 285,
  "links": [
    {
      "icon": "external link",
      "includeVars": true,
      "keepTime": true,
      "tags": [
        "minio"
      ],
      "type": "dashboards"
    }
  ],
  "liveNow": false,
  "panels": [
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"