//                                                                           =========
    private static final GroupDbm _instance = new GroupDbm();

    private GroupDbm() {
    }

    public static GroupDbm getInstance() {
        return _instance;
    }

    // ===================================================================================

                    Multiset<String> result = TreeMultiset.create(NullsBeforeB.INSTANCE);
                    Collections.addAll(result, elements);
                    return result;
                  }

                  @Override
                  public List<String> order(List<String> insertionOrder) {
                    sort(insertionOrder, NullsBeforeB.INSTANCE);
                    return insertionOrder;
                  }

In that case, **FastAPI** also provides you with the tools to build it.

///

When we create an instance of the `OAuth2PasswordBearer` class we pass in the `tokenUrl` parameter. This parameter contains the URL that the client (the frontend running in the user's browser) will use to send the `username` and `password` in order to get a token.

    //                                                                           =========
    private static final RequestHeaderDbm _instance = new RequestHeaderDbm();

    private RequestHeaderDbm() {
    }

    public static RequestHeaderDbm getInstance() {
        return _instance;
    }

    // ===================================================================================

        <constraint name="__context__" within="" contains="" />

        // Verify that ContentNotFoundException is an instance of FessSystemException
        String parentUrl = "http://example.com/parent";
        String url = "http://example.com/child";
        ContentNotFoundException exception = new ContentNotFoundException(parentUrl, url);

        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);
    }

import jakarta.validation.constraints.Pattern;
import jakarta.validation.constraints.Size;

/**
 * The create form for Label Type.
 */
public class CreateForm {

    /**
     * Creates a new CreateForm instance.
     */
    public CreateForm() {
    }

    /**
     * The CRUD mode for the form.
     */
    @ValidateTypeFailure
    public Integer crudMode;

    /**
     * The name of the label type.

import jakarta.validation.constraints.Min;
import jakarta.validation.constraints.Size;

/**
 * The create form for Scheduler.
 *
 */
public class CreateForm {

    /**
     * Creates a new CreateForm instance.
     */
    public CreateForm() {
    }

    /**
     * The CRUD mode for the form.
     */
    @ValidateTypeFailure
    public Integer crudMode;

    /**
     * The name of the scheduled job.

 * task should not be executed again. Otherwise it returns a delay until the next execution.
 *
 * A task has at most one next execution. If the same task instance is scheduled multiple times, the
 * earliest one wins. This applies to both executions scheduled with [TaskRunner.Queue.schedule] and
 * those implied by the returned execution delay.
 *
 * Cancellation
 * ------------

    assertThrows(
        NullPointerException.class,
        () -> {
          Object unused = getSubjectGenerator().create(array);
        });
  }

  /**
   * Returns the {@link Method} instance for {@link #testCreateWithNull_unsupported()} so that tests
   * can suppress it with {@code FeatureSpecificTestSuiteBuilder.suppressing()} until <a
   * href="https://bugs.openjdk.org/browse/JDK-5045147">JDK-5045147</a> is fixed.