open fun contentLength(): Long = -1L

  /** Writes the content of this request to [sink]. */
  @Throws(IOException::class)
  abstract fun writeTo(sink: BufferedSink)

  /**
   * A duplex request body is special in how it is **transmitted** on the network and
   * in the **API contract** between OkHttp and the application.
   *
   * This method returns false unless it is overridden by a subclass.
   *
   * ### Duplex Transmission

 *
 * (We could consider releasing a listenablefuture:1.0.1 someday. But we would want to look into how
 * that affects users, especially users of the Android Gradle Plugin, since the plugin developers
 * put in a special hack for us: https://issuetracker.google.com/issues/131431257)
 */
@DoNotMock("Use the methods in Futures (like immediateFuture) or SettableFuture")
@NullMarked

 * This class provides functionality to handle pagination of failed crawler URLs
 * with search filters and navigation capabilities.
 */
public class FailureUrlPager implements Serializable {

    /** Serial version UID for serialization compatibility. */
    private static final long serialVersionUID = 1L;

    /**
     * Default constructor.
     */
    public FailureUrlPager() {
        // Default constructor
    }

   * tasks. Second, the returned list will always be empty, as any submitted task is considered to
   * have started execution. This applies also to tasks given to {@code invokeAll} or {@code
   * invokeAny} which are pending serial execution, even the subset of the tasks that have not yet
   * started execution. It is unclear from the {@code ExecutorService} specification if these should

 * ClassToInstanceMap}</a>.
 *
 * @author Kevin Bourrillion
 * @since 2.0
 */
@J2ktIncompatible
@GwtIncompatible
@SuppressWarnings("serial") // using writeReplace instead of standard serialization
public final class MutableClassToInstanceMap<B extends @Nullable Object>
    extends ForwardingMap<Class<? extends @NonNull B>, B>

	listenErrs = make([]error, len(serverAddrs))

	if opts.Trace == nil {
		opts.Trace = func(msg string) {} // Noop if not defined.
	}

	// Unix listener with special TCP options.
	listenCfg := net.ListenConfig{
		Control: setTCPParametersFn(opts),
	}

	for i, serverAddr := range serverAddrs {
		l, e := listenCfg.Listen(ctx, "tcp", serverAddr)
		if e != nil {

```

## Development

### Build Commands
```bash
# Compile the source code
mvn compile

# Build JAR file
mvn package

# Clean and rebuild
mvn clean compile

# Install to local repository
mvn install
```

### Testing
```bash
# Run all tests (JUnit 4 based)
mvn test

# Run specific test class
mvn test -Dtest=SpecificTest

# Alternative test runner

: "" # nginx.ingress.kubernetes.io/secure-backends: "true" # nginx.ingress.kubernetes.io/backend-protocol: "HTTPS" # nginx.ingress.kubernetes.io/whitelist-source-range: 0.0.0.0/0 path: / hosts: - chart-example.local tls: [] # - secretName: chart-example-tls # hosts: # - chart-example.local consoleService: type: ClusterIP clusterIP: ~ ## Make sure to match it to minioConsolePort port: "9001" nodePort: 32001 consoleIngress: enabled: false labels: {} # node-role.kubernetes.io/ingress: platform annotations:...

: "" # nginx.ingress.kubernetes.io/secure-backends: "true" # nginx.ingress.kubernetes.io/backend-protocol: "HTTPS" # nginx.ingress.kubernetes.io/whitelist-source-range: 0.0.0.0/0 path: / hosts: - chart-example.local tls: [] # - secretName: chart-example-tls # hosts: # - chart-example.local consoleService: type: ClusterIP clusterIP: ~ ## Make sure to match it to minioConsolePort port: "9001" nodePort: 32001 consoleIngress: enabled: false labels: {} # node-role.kubernetes.io/ingress: platform annotations:...

: "" # nginx.ingress.kubernetes.io/secure-backends: "true" # nginx.ingress.kubernetes.io/backend-protocol: "HTTPS" # nginx.ingress.kubernetes.io/whitelist-source-range: 0.0.0.0/0 path: / hosts: - chart-example.local tls: [] # - secretName: chart-example-tls # hosts: # - chart-example.local consoleService: type: ClusterIP clusterIP: ~ ## Make sure to match it to minioConsolePort port: "9001" nodePort: 32001 consoleIngress: enabled: false labels: {} # node-role.kubernetes.io/ingress: platform annotations:...