## More info { #more-info }

 * made the metadata source available with its original role hint ("maven") as well as the default hint.
 *
 */
@Named
@Singleton
@Deprecated
public class DefaultMetadataSource extends MavenMetadataSource {
    @Inject
    public DefaultMetadataSource(
            RepositoryMetadataManager repositoryMetadataManager,
            ArtifactFactory artifactFactory,

 * declaration whose version is less according to <code>ArtifactVersion.compareTo</code>.
 *
 * @see ArtifactVersion#compareTo
 * @since 3.0
 */
@Named("oldest")
@Singleton
@Deprecated
public class OldestConflictResolver implements ConflictResolver {
    // ConflictResolver methods -----------------------------------------------

    /*

import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
import org.codehaus.plexus.component.annotations.Configuration;

/**
 *
 */
@Named
@Singleton
@Deprecated
public class DefaultGraphConflictResolutionPolicy implements GraphConflictResolutionPolicy {
    /**
     * artifact, closer to the entry point, is selected
     */
    @Configuration(name = "closer-first", value = "true")

 * to be a provider type regardless of whether they are marked {@link Consumer} or {@link Provider}.
 *
 * @see Consumer
 * @since 4.0.0
 */
@Experimental
@Documented
@Retention(RetentionPolicy.CLASS)
@Target({ElementType.TYPE, ElementType.PACKAGE})

import java.util.Set;

import org.apache.maven.artifact.Artifact;

/**
 * Apply multiple filters, accepting an artifact if at least one of the filters accepts it.
 *
 */
@Deprecated
public class OrArtifactFilter implements ArtifactFilter {

    private Set<ArtifactFilter> filters;

    public OrArtifactFilter() {
        this.filters = new LinkedHashSet<>();
    }

 * interface will be discovered through the Java ServiceLoader mechanism and their provided
 * packaging types will be available throughout the Maven build process.
 * <p>
 * Example usage:
 * <pre>
 * public class CustomPackagingProvider implements PackagingProvider {
 *     public Collection&lt;Packaging&gt; provides() {
 *         return Arrays.asList(
 *             packaging("docker-image"),
 *             packaging("flatpak")

import org.codelibs.fess.crawler.entity.ResponseData;
import org.codelibs.fess.crawler.exception.MaxLengthExceededException;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * @author shinsuke
 *
 */
public class AbstractCrawlerClientTest extends PlainTestCase {

    public void test_checkMaxContentLength() {
        AbstractCrawlerClient client = new AbstractCrawlerClient() {
        };

توجه کن که این یعنی "`one_person` یه **نمونه** از کلاس `Person` هست".

یعنی "`one_person` خود **کلاس** به اسم `Person` نیست".

## مدل‌های Pydantic

<a href="https://docs.pydantic.dev/" class="external-link" target="_blank">Pydantic</a> یه کتابخونه پایتونه برای اعتبارسنجی داده‌ها.

"شکل" داده‌ها رو به‌عنوان کلاس‌هایی با ویژگی‌ها تعریف می‌کنی.

و هر ویژگی یه نوع داره.

import java.time.format.DateTimeFormatter;
import java.util.Map;

import org.codelibs.fess.entity.SearchLogEvent;
import org.codelibs.fess.opensearch.log.bsentity.BsUserInfo;

/**
 * @author FreeGen
 */
public class UserInfo extends BsUserInfo implements SearchLogEvent {

    private static final long serialVersionUID = 1L;

    private Map<String, Object> fields;

    @Override
    public String getId() {