* governing permissions and limitations under the License.
 */
package org.codelibs.fess.helper;

import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;

import java.util.LinkedHashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Queue;
import java.util.Set;
import org.jspecify.annotations.NullMarked;

/**
 * Utilities for collecting and validating tester requirements from annotations.
 *
 * @author George van den Driessche
 */
@GwtIncompatible
public final class FeatureUtil {

 */
package org.codelibs.fess.opensearch.config.exentity;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Supplier;
import java.util.regex.Pattern;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

```

## 📖 Usage Examples

### Bean Utilities
```java
import org.codelibs.core.beans.*;
import org.codelibs.core.beans.factory.BeanDescFactory;
import org.codelibs.core.beans.util.BeanUtil;
import org.codelibs.core.beans.util.CopyOptions;

// Bean metadata introspection
BeanDesc beanDesc = BeanDescFactory.getBeanDesc(MyBean.class);
PropertyDesc nameProperty = beanDesc.getPropertyDesc("name");

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.suggest.index.contents;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.api.services;

import java.nio.file.Path;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.stream.Stream;

import org.apache.maven.api.Language;
import org.apache.maven.api.ProducedArtifact;
import org.apache.maven.api.Project;

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.collection;

import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;

/**
 * {@link HashMap} with an upper limit on the number of entries. When a new entry is added, the oldest entry is discarded using LRU if the limit is exceeded.
 * <p>

import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.Feature;
import java.util.Collections;
import java.util.EnumSet;
import java.util.List;
import java.util.Map.Entry;
import java.util.Set;
import junit.framework.TestSuite;

/**
 * Creates, based on your criteria, a JUnit test suite that exhaustively tests a {@code

 * under the License.
 */
package org.apache.maven.project;

import javax.inject.Named;
import javax.inject.Singleton;

import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.ConcurrentHashMap;

import org.codehaus.plexus.classworlds.realm.ClassRealm;
import org.codehaus.plexus.classworlds.realm.NoSuchRealmException;

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.lifecycle.internal;

import java.util.AbstractSet;
import java.util.Collections;
import java.util.Iterator;
import java.util.Set;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.project.DependencyResolutionResult;
import org.apache.maven.project.artifact.ProjectArtifactsCache;