* `Path()`
    * `Query()`
    * `Header()`
    * `Cookie()`

import jakarta.annotation.Resource;

/**
 * Service class for managing character mapping operations.
 * <p>
 * This service handles character mapping management including CRUD operations
 * and list retrieval. Character mappings are used for text normalization
 * and character substitution during document processing and search operations.
 * </p>
 */
public class CharMappingService {

    /**

import jakarta.annotation.Resource;

/**
 * Service class for managing job logs in the Fess application.
 * Provides functionality to create, read, update, and delete job log entries,
 * as well as manage job status and perform cleanup operations.
 */
public class JobLogService {

    /**
     * Behavior class for job log database operations.
     */
    @Resource
    protected JobLogBhv jobLogBhv;

 *   <li>HEAD</li>
 *   <li>OPTIONS</li>
 *   <li>CONNECT</li>
 * </ul>
 *
 * <p>The Curl class also defines an enum {@link Method} which lists all supported HTTP methods.</p>
 *
 * <p>The temporary directory used by Curl is defined by the {@code tmpDir} field, which is initialized
 * to the system's temporary directory.</p>
 */
public class Curl {

    /**

    private static final long serialVersionUID = 1L;
    protected static final Class<?> suppressUnusedImportLocalDateTime = LocalDateTime.class;

    // ===================================================================================
    //                                                                           Attribute

    private static final long serialVersionUID = 1L;
    protected static final Class<?> suppressUnusedImportLocalDateTime = LocalDateTime.class;

    // ===================================================================================
    //                                                                           Attribute

  public void testRemoveNullValueForbidden() {
    assertThrows(NullPointerException.class, () -> multimap().remove(k0(), null));
    expectUnchanged();
  }

  @MapFeature.Require(value = SUPPORTS_REMOVE, absent = ALLOWS_NULL_KEY_QUERIES)
  public void testRemoveNullKeyForbidden() {
    assertThrows(NullPointerException.class, () -> multimap().remove(null, v0()));
    expectUnchanged();
  }

    assertThrows(IllegalArgumentException.class, () -> base64().withSeparator("=", 3));

    assertThrows(
        IllegalArgumentException.class, () -> base64().withPadChar('#').withSeparator("!#!", 3));
  }

  public void testAtMostOneSeparator() {
    BaseEncoding separated = base64().withSeparator("\n", 3);
    assertThrows(UnsupportedOperationException.class, () -> separated.withSeparator("$", 4));
  }

}
```

## 8. Performance Metrics

### 8.1 Channel Statistics
```java
public class MultiChannelStatistics {
    private final Map<String, ChannelStatistics> channelStats;
    
    public class ChannelStatistics {
        private final AtomicLong bytesSent = new AtomicLong();
        private final AtomicLong bytesReceived = new AtomicLong();

@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")
public class ListHashCodeTester<E> extends AbstractListTester<E> {
  public void testHashCode() {
    int expectedHashCode = 1;
    for (E element : getOrderedElements()) {