assertNull(pc.getPassword());
        verify(spyAuth, times(1)).getPasswordAsCharArray();
    }

    @Test
    @DisplayName("clone: copies fields and cached subject; instances are independent")
    void testCloneCopiesFieldsAndIndependence() throws Exception {
        // Use configuration-based constructor to also exercise copying of configuration/service fields

    void testInstantiation() {
        TestLocking t = new TestLocking();
        assertNotNull(t, "TestLocking instance should not be null");
    }

    @Test
    @DisplayName("Field values are independent across instances")
    void testIndependentInstances() {
        TestLocking t1 = new TestLocking();
        TestLocking t2 = new TestLocking();

        // Set different values
        t1.numThreads = 2;

    checkNonnegative(expectedKeys, "expectedKeys");
    return new Builder<>(expectedKeys);
  }

  /**
   * A builder for creating immutable {@code ListMultimap} instances, especially {@code public
   * static final} multimaps ("constant multimaps"). Example:
   *
   * {@snippet :
   * static final Multimap<String, Integer> STRING_TO_INTEGER_MULTIMAP =

import org.opensearch.index.query.QueryRewriteContext;
import org.opensearch.index.query.QueryShardContext;

/**
 * Default implementation of QueryBuilder that wraps other QueryBuilder instances
 * and provides additional functionality for adding inner queries dynamically.
 * Supports both BoolQueryBuilder and DisMaxQueryBuilder as underlying implementations.
 */

        void testValueConsistency() {
            // Given: Same input value
            int inputValue = 1000;
            int expectedMasked = inputValue & 0xFF; // 232

            // When: Creating multiple NdrShort instances
            NdrShort ndrShort1 = new NdrShort(inputValue);
            NdrShort ndrShort2 = new NdrShort(inputValue);

            // Then: All should have same masked value

   * but is intended to help call out cases where one migration from {@code Iterable} to {@code
   * FluentIterable} has obviated the need to explicitly convert to a {@code FluentIterable}.
   *
   * @deprecated instances of {@code FluentIterable} don't need to be converted to {@code
   *     FluentIterable}
   */
  @Deprecated
  @InlineMe(
      replacement = "checkNotNull(iterable)",

   * but is intended to help call out cases where one migration from {@code Iterable} to {@code
   * FluentIterable} has obviated the need to explicitly convert to a {@code FluentIterable}.
   *
   * @deprecated instances of {@code FluentIterable} don't need to be converted to {@code
   *     FluentIterable}
   */
  @Deprecated
  @InlineMe(
      replacement = "checkNotNull(iterable)",

   * building, it is still possible to change the options used to build the ThreadFactory and/or
   * build again. State is not shared amongst built instances.
   *
   * <p><b>Java 21+ users:</b> use {@link Thread.Builder#factory()} instead.
   *
   * @return the fully constructed {@link ThreadFactory}
   */
  public ThreadFactory build() {
    return doBuild(this);

 * #get(Object, Callable)} or {@link #put(Object, Object)}, and are stored in the cache until either
 * evicted or manually invalidated. The common way to build instances is using {@link CacheBuilder}.
 *
 * <p>Implementations of this interface are expected to be thread-safe, and can be safely accessed
 * by multiple concurrent threads.
 *

import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.util.HashMap;
import java.util.Map;
import org.jspecify.annotations.Nullable;

/**
 * Static utility methods pertaining to {@link Escaper} instances.
 *
 * @author Sven Mawson
 * @author David Beaumont
 * @since 15.0
 */
@GwtCompatible
public final class Escapers {
  private Escapers() {}

  /**