public void testIsEqualToNull_serialization() {
    checkSerialization(Predicates.equalTo(null));
  }

  /**
   * Tests for Predicates.instanceOf(x). TODO: Fix the comment style after fixing annotation
   * stripper to remove comments properly. Currently, all tests before the comments are removed as
   * well.
   */
  @GwtIncompatible // Predicates.instanceOf
  public void testIsInstanceOf_apply() {

@DisplayName("PreauthIntegrityNegotiateContext Tests")
class PreauthIntegrityNegotiateContextTest {

    @Mock
    private Configuration mockConfig;

    private static final int BUFFER_SIZE = 1024;
    private byte[] buffer;

    @BeforeEach
    void setUp() {
        buffer = new byte[BUFFER_SIZE];
    }

    @Nested
    @DisplayName("Constructor Tests")
    class ConstructorTests {

        @Test

/// check | Inspired **FastAPI** to

Use code to define "schemas" that provide data types and validation, automatically.

///

### <a href="https://webargs.readthedocs.io/en/latest/" class="external-link" target="_blank">Webargs</a> { #webargs }

Another big feature required by APIs is <abbr title="reading and converting to Python data">parsing</abbr> data from incoming requests.

    private Referral referral;
    private byte[] testBuffer;

    @BeforeEach
    public void setUp() {
        referral = new Referral();
        testBuffer = new byte[512];
    }

    // Version 3 Referral Tests

    @Test
    public void testDecodeVersion3WithoutNameList() {
        // Prepare test data
        ByteBuffer bb = ByteBuffer.wrap(testBuffer).order(ByteOrder.LITTLE_ENDIAN);

        // Header

import jcifs.internal.util.SMBUtil;

class SrvCopychunkTest {

    private static final int EXPECTED_SIZE = 24;
    private static final int RESERVED_BYTES = 4;

    @Nested
    @DisplayName("Constructor Tests")
    class ConstructorTests {

        @Test
        @DisplayName("Should create instance with valid parameters")
        void testConstructorWithValidParameters() {
            // Given

 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")
// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")
@NullMarked
public abstract class AbstractContainerTester<C, E extends @Nullable Object>
    extends AbstractTester<OneSizeTestContainerGenerator<C, E>> {

import java.util.Set;
import org.junit.Ignore;

/**
 * Tests for {@code Multiset.elementSet()} not covered by the derived {@code SetTestSuiteBuilder}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")
// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")

                }
            }
            failureConditions {
                // We have test-retry to handle the crash in tests
                javaCrash = false
                // We want to see the flaky tests for flakiness detection
                supportTestRetry = (performanceTestBuildSpec.type != PerformanceTestType.FLAKINESS_DETECTION)
            }

 * limitations under the License.
 */

package com.google.common.collect.testing;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * Suite of tests for OpenJdk 6 tests. The existence of this class is a hack because the
 * suitebuilder won't pick up the suites directly in the other classes because they don't extend
 * TestCase. Ergh.
 *
 * @author Kevin Bourrillion
 */

You can achieve that using <a href="https://docs.pydantic.dev/latest/concepts/validators/#field-after-validator" class="external-link" target="_blank">Pydantic's `AfterValidator`</a> inside of `Annotated`.

/// tip

Pydantic also has <a href="https://docs.pydantic.dev/latest/concepts/validators/#field-before-validator" class="external-link" target="_blank">`BeforeValidator`</a> and others. 🤓