final String docIndex = fessConfig.getIndexDocumentUpdateIndex();
            searchEngineClient.admin().indices().prepareClose(docIndex).execute(ActionListener.wrap(res -> {
                logger.info("Close {}", docIndex);
                searchEngineClient.admin()
                        .indices()
                        .prepareOpen(docIndex)

import org.opensearch.action.admin.indices.alias.IndicesAliasesRequestBuilder;
import org.opensearch.action.admin.indices.create.CreateIndexResponse;
import org.opensearch.action.admin.indices.exists.indices.IndicesExistsResponse;
import org.opensearch.action.admin.indices.flush.FlushResponse;
import org.opensearch.action.admin.indices.get.GetIndexResponse;
import org.opensearch.action.admin.indices.mapping.get.GetMappingsResponse;

            assertEquals(0, response.writeParameterWordsWireFormat(null, 0));
        }

        @ParameterizedTest
        @ValueSource(ints = { 0, 5, 9 })
        @DisplayName("Returns 0 with valid array and various indices")
        void nonNullArray(int index) {
            byte[] arr = new byte[10];
            assertEquals(0, response.writeParameterWordsWireFormat(arr, index));
        }
    }

    @Nested

     *
     * @param target the target location
     * @param source the source location
     * @param indices the list of integers for the indices
     * @return the merged location
     */
    public static InputLocation merge(InputLocation target, InputLocation source, Collection<Integer> indices) {
        if (source == null) {
            return target;

 * The implementation contains only trivial methods that return {@code 0}
 * or construct a string representation.  The tests focus on:
 *
 * <ul>
 *   <li>happy‑path behaviour</li>
 *   <li>boundary arguments (e.g., negative indices, large values)</li>
 *   <li>string representation containing the class name</li>
 *   <li>null buffer handling</li>
 * </ul>
 */
final class TransWaitNamedPipeResponseTest {

    /**

  require(name.isNotEmpty()) { "name is empty" }
  for (i in name.indices) {
    val c = name[i]
    require(c in '\u0021'..'\u007e') {
      "Unexpected char 0x${c.charCode()} at $i in header name: $name"
    }
  }
}

internal fun headersCheckValue(
  value: String,
  name: String,
) {
  for (i in value.indices) {
    val c = value[i]
    require(c == '\t' || c in '\u0020'..'\u007e') {

    }

    @Test
    @DisplayName("Methods should handle negative indices")
    void testMethodsWithNegativeIndices() {
        // Arrange
        byte[] buffer = new byte[100];
        int negativeIndex = -1;

        // Act & Assert
        // These methods don't validate indices, so they return 0
        assertEquals(0, response.writeSetupWireFormat(buffer, negativeIndex));

    keyStoreType: String?,
    trustedCertificates: List<X509Certificate>,
    insecureHosts: List<String>,
  ): X509TrustManager {
    val trustStore = newEmptyKeyStore(keyStoreType)
    for (i in trustedCertificates.indices) {
      trustStore.setCertificateEntry("cert_$i", trustedCertificates[i])
    }

    val factory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm())
    factory.init(trustStore)

   * first node in insertion order; all values at indices ≥ {@link #size()} are UNSET.
   */
  private transient int @Nullable [] predecessor;

  /**
   * Pointer to the successor of an entry in insertion order. ENDPOINT indicates a node is the last
   * node in insertion order; all values at indices ≥ {@link #size()} are UNSET.
   */
  private transient int @Nullable [] successor;

            assertEquals(0, smbComTreeDisconnect.readBytesWireFormat(buffer, i));
        }
    }

    /**
     * Test boundary conditions for buffer indices
     */
    @Test
    @DisplayName("Test boundary conditions for buffer indices")
    public void testBoundaryConditions() {
        // Given
        smbComTreeDisconnect = new SmbComTreeDisconnect(config);
        byte[] buffer = new byte[100];