if len(users4) != 0 {
		t.Errorf("should find no user when searching with unexisting credit card, but got %v", len(users4))
	}

	var users5 []User

    String expected = "abcdabcd";

    // read the first 8 chars manually, since there's no equivalent to ByteSource.slice
    // TODO(cgdecker): Add CharSource.slice?
    StringBuilder builder = new StringBuilder();
    Reader reader = concatenated.openStream(); // no need to worry about closing
    for (int i = 0; i < 8; i++) {
      builder.append((char) reader.read());
    }

 *
 * Features:
 * - Simple state management (CLOSED, OPEN, HALF_OPEN)
 * - Lock-free atomic operations
 * - Configurable thresholds and timeouts
 * - No complex dependencies
 */
public class SimpleCircuitBreaker {

    private static final Logger log = LoggerFactory.getLogger(SimpleCircuitBreaker.class);

    /**
     * Circuit breaker states
     */

   * @param element the element to add occurrences of; may be null only if explicitly allowed by the
   *     implementation
   * @param occurrences the number of occurrences of the element to add. May be zero, in which case
   *     no change will be made.
   * @return the count of the element before the operation; possibly zero
   * @throws IllegalArgumentException if {@code occurrences} is negative, or if this operation would

     */
    @Nonnull
    Model getEffectiveModel();

    /**
     * Gets the profiles that were active during model building.
     *
     * @return The active profiles of the model or an empty list if the model has no active profiles.
     */
    @Nonnull
    List<Profile> getActivePomProfiles();

    /**
     * Gets the external profiles that were active during model building. External profiles are those that were

   * class to begin with but rather something returned from a static factory method whose declared
   * return type is plain FilenameFilter. If we made such a change, then the annotation we choose
   * here would have no significance to end users, who would be forced to conform to the signature
   * used in FilenameFilter.)
   */
  @Override
  public boolean accept(File dir, String fileName) {
    return pattern.matcher(fileName).matches();

    #  Elements of this map are as below:
    #   o key of map: User Definition Name (userDefName)
    #   o url: (NotRequired - Default same as one of main schema)
    #   o schema: (NotRequired - Default treated as no schema setting)
    #   o user: (Required)
    #   o password: password plainly or path to password file (with default password)
    #       e.g. foo or df:dfprop/system-password.txt|foo
    #       (NotRequired - Default '')

            this.name = name;
        }

        @Override
        public void process(String origin, ServletRequest request, ServletResponse response) {
            // Test implementation - no operation
        }

        public String getName() {
            return name;
        }
    }

import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Unit test for {@code AbstractIterator}.
 *
 * @author Kevin Bourrillion
 */
@SuppressWarnings("serial") // No serialization is used in this test
@GwtCompatible
@NullMarked
public class AbstractIteratorTest extends TestCase {

  public void testDefaultBehaviorOfNextAndHasNext() {

- **Automatic Detection**: Encryption automatically enabled when servers require it
- **Secure Key Management**: Proper key derivation and nonce generation

### Core Features
- **Per-context configuration**: No global state, each context encapsulates configuration
- **Authentication**: NTLM, Kerberos, SPNEGO unified subsystem
- **SLF4J Logging**: Comprehensive logging throughout the codebase