// Assert
        assertSame(mocked, ex.getCause(), "Mocked cause should be preserved");
        verifyNoInteractions(mocked);
    }

    // Reflection-based check: ensure serialVersionUID remains the declared constant
    @Test
    @DisplayName("serialVersionUID matches declared constant")
    void serialVersionUID_hasExpectedValue() throws Exception {
        // Arrange

     *
     * @return the operating system version (never null)
     */
    @Nonnull
    String version();

    /**
     * Returns the OS family name based on OS detection rules.
     * This categorizes the OS into one of the supported families
     * (e.g., "windows", "unix", "mac").
     *
     * @return the operating system family name (never null)
     */
    @Nonnull

import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.Feature;
import com.google.common.collect.testing.features.MapFeature;
import com.google.common.reflect.Reflection;
import java.io.Serializable;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.AbstractMap;
import java.util.AbstractSet;

     * @param index The index to delete from.
     * @param type The document type (deprecated, no longer used).
     * @param queryBuilder The query to match documents for deletion.
     * @return The number of deleted documents.
     * @throws OpenSearchAccessException if the deletion fails.
     * @deprecated Use {@link #deleteByQuery(String, QueryBuilder)} instead. The type parameter is no longer used.
     */
    @Deprecated

import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

/**
 * Base implementation for API managers providing common functionality.
 * Abstract class that provides format detection and response handling for web APIs.
 */
public abstract class BaseApiManager implements WebApiManager {

    private static final String API_FORMAT_TYPE = "apiFormatType";

    /** Path prefix for API endpoints. */

   * Hashtable} can suppress it with {@code FeatureSpecificTestSuiteBuilder.suppressing()}.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getMergeNullValueMethod() {
    return Helpers.getMethod(MapMergeTester.class, "testMergeNullValue");
  }

 *   protected Object handleInvocation(Object proxy, Method method, Object[] args) {
 *     throw new UnsupportedOperationException();
 *   }
 * }
 *
 * CharSequence unsupported = Reflection.newProxy(CharSequence.class, new Unsupported());
 * </pre>
 *
 * @author Ben Yu
 * @since 12.0
 */
public abstract class AbstractInvocationHandler implements InvocationHandler {

   * hashCode()} on the set values so that set tests on unhashable objects can suppress it with
   * {@code FeatureSpecificTestSuiteBuilder.suppressing()}.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method[] getHashCodeMethods() {
    return new Method[] {
      getMethod(SetHashCodeTester.class, "testHashCode"),
      getMethod(SetHashCodeTester.class, "testHashCode_containingNull")
    };
  }

        return asJson(new ApiResult.ApiResponse().status(ApiResult.Status.OK).result());
    }

    /**
     * Deletes a plugin with the specified name and version.
     *
     * @param body the plugin deletion data containing name and version
     * @return JSON response indicating success or failure
     */
    // DELETE /api/admin/plugin
    @Execute
    public JsonResponse<ApiResult> delete$index(final DeleteBody body) {

    * 2. A cluster can be dualstack (i.e. Pods and nodes carry dualstack IPs) but does not need to support ingress on dualstack. In this case the cluster can perform egress using `PodIPs` (according to family and binding selection in user code) but will ingress will only be performed against the pod primary IP. This can be configured by supplying single entry to `--service-cluster-ip-range` flag.