import org.gradle.api.GradleException
import org.gradle.api.Project
import org.gradle.api.model.ObjectFactory
import org.gradle.api.provider.Property
import org.gradle.api.provider.Provider
import org.gradle.api.tasks.Nested
import org.gradle.api.tasks.TaskContainer
import org.gradle.util.GradleVersion
import java.util.Optional

/**
 * A project extension which describes a module of a Gradle distribution.
 */

Таким образом, его схема появится в интерфейсе документации API:

<img src="/img/tutorial/dataclasses/image01.png">

## Dataclasses во вложенных структурах данных { #dataclasses-in-nested-data-structures }

Вы также можете комбинировать `dataclasses` с другими аннотациями типов, чтобы создавать вложенные структуры данных.

  @Param ExceptionType exceptionType;

  /**
   * The number of other exception types in the cache of known-good exceptions and the number of
   * other {@code ClassValue} entries for the exception type to be tested. This lets us evaluate
   * whether our solution scales to use with multiple exception types and to whether it is affected
   * by other {@code ClassValue} users. Some of the benchmarked implementations don't use one or

Auf diese Weise wird deren Schema in der Benutzeroberfläche der API-Dokumentation angezeigt:

<img src="/img/tutorial/dataclasses/image01.png">

## Datenklassen in verschachtelten Datenstrukturen { #dataclasses-in-nested-data-structures }

Sie können `dataclasses` auch mit anderen Typannotationen kombinieren, um verschachtelte Datenstrukturen zu erstellen.

                loggedExec.args("-Dorg.elasticsearch.build.cache.url=" + buildCacheUrl);
            }

            loggedExec.args("-Dbuild.snapshot=true");
            loggedExec.args("-Dscan.tag.NESTED");
            final LogLevel logLevel = project.getGradle().getStartParameter().getLogLevel();
            List<LogLevel> nonDefaultLogLevels = Arrays.asList(LogLevel.QUIET, LogLevel.WARN, LogLevel.INFO, LogLevel.DEBUG);

        private
        fun openJarFile(file: Path): ZipInputStream {
            return ZipInputStream(Files.newInputStream(file))
        }
    }

    /**
     * Implementation code that can be unit-tested.
     *
     * <p>Visible for testing.</p>
     */
    class Implementation(private val excludes: List<String>, private val includes: List<String>) {
        fun collectPackages(files: Iterable<Path>): Trie {

import org.mockito.quality.Strictness;

/**
 * Tests for SmbTreeHandle interface.
 * This test class uses Mockito to create a mock implementation of the SmbTreeHandle interface.
 * Each method of the interface is tested to ensure it behaves as expected.
 */
@ExtendWith(MockitoExtension.class)
@MockitoSettings(strictness = Strictness.LENIENT)
class SmbTreeHandleTest {

    @Mock
    private SmbTreeHandle smbTreeHandle;

Ainsi, son schéma apparaîtra dans l'interface utilisateur de la documentation de l'API :

<img src="/img/tutorial/dataclasses/image01.png">

## Utiliser des dataclasses dans des structures de données imbriquées { #dataclasses-in-nested-data-structures }

Vous pouvez aussi combiner `dataclasses` avec d'autres annotations de type pour créer des structures de données imbriquées.

import java.lang.reflect.Field;
import java.net.Socket;
import java.util.concurrent.atomic.AtomicLong;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;
import org.mockito.junit.jupiter.MockitoSettings;

        assertNotNull(exception.getCause().getStackTrace());
        assertTrue(exception.getCause().getStackTrace().length > 0);
    }

    @Test
    public void test_multiLevelCause() {
        // Test with nested exceptions
        Throwable rootCause = new IllegalStateException("Root problem");
        Throwable intermediateCause = new RuntimeException("Intermediate problem", rootCause);