/**
     * Dictionary ID for identifying the stemmer override dictionary to download.
     */
    @Required
    public String dictId;

    /**
     * Default constructor.
     */
    public DownloadForm() {
        // Use of default constructor
    }

    /**
     * Dictionary ID for identifying the stop words dictionary to download.
     */
    @Required
    public String dictId;

    /**
     * Default constructor.
     */
    public DownloadForm() {
        // Use of default constructor
    }

package org.codelibs.fess.util;

import org.dbflute.optional.OptionalEntity;

/**
 * Utility class for Optional operations.
 */
public class OptionalUtil {

    /**
     * Default constructor.
     */
    private OptionalUtil() {
        // Default constructor
    }

    /**
     * Creates an OptionalEntity from a nullable entity.
     *
     * @param <T> the type of the entity

    // Unsafe characters aren't modified by default (unsafeReplacement == null).
    Escaper escaper = Escapers.builder().setSafeRange('a', 'z').build();
    assertThat(escaper.escape("The Quick Brown Fox")).isEqualTo("The Quick Brown Fox");
  }

  public void testBuilderInitialStateNoneUnsafe() {
    // No characters are unsafe by default (safeMin == 0, safeMax == 0xFFFF).

{* ../../docs_src/query_params_str_validations/tutorial002.py hl[9] *}

Note que substituímos o valor padrão de `None` para `Query(default=None)`, o primeiro parâmetro de `Query` serve para o mesmo propósito: definir o valor padrão do parâmetro.

Então:

```Python
q: Union[str, None] = Query(default=None)
```

...Torna o parâmetro opcional, da mesma maneira que:

```Python
q: Union[str, None] = None
```

     */
    String message() default "{org.lastaflute.validator.constraints.UriType.message}";

    /**
     * The validation groups.
     *
     * @return the validation groups
     */
    Class<?>[] groups() default {};

    /**
     * The payload for constraint.
     *
     * @return the payload
     */
    Class<? extends Payload>[] payload() default {};

import org.apache.maven.api.services.LifecycleRegistry;
import org.apache.maven.api.services.PackagingRegistry;
import org.apache.maven.impl.model.DefaultLifecycleBindingsInjector;

import static org.apache.maven.api.Lifecycle.DEFAULT;

@Singleton
@Named
@Priority(5)
@Deprecated
public class EmptyLifecycleBindingsInjector extends DefaultLifecycleBindingsInjector {

    private static LifecycleRegistry lifecycleRegistry;

        }
      }
    }
  }

  /**
   * Sets the default value for {@code type}, when dummy value for a parameter of the same type
   * needs to be created in order to invoke a method or constructor. The default value isn't used in
   * testing {@link Object#equals} because more than one sample instances are needed for testing
   * inequality.
   */

     * and the frequency of status checks.
     */
    protected long crawlingExecutionInterval = Constants.DEFAULT_CRAWLING_EXECUTION_INTERVAL;

    /**
     * Thread priority for crawler threads.
     * Defaults to normal thread priority.
     */
    protected int crawlerPriority = Thread.NORM_PRIORITY;

    /**
     * Thread-safe list of active data crawling threads.

public class InstallBody {
    /** Name of the plugin to install (required, max 100 characters) */
    @Required
    @Size(max = 100)
    public String name;

    /**
     * Default constructor.
     */
    public InstallBody() {
        // Default constructor
    }

    /** Version of the plugin to install (required, max 100 characters) */
    @Required
    @Size(max = 100)
    public String version;