fun connectionPreface() {
    withLock {
      if (closed) throw IOException("closed")
      if (!client) return // Nothing to write; servers don't send connection headers!
      if (logger.isLoggable(FINE)) {
        logger.fine(format(">> CONNECTION ${CONNECTION_PREFACE.hex()}"))
      }
      sink.write(CONNECTION_PREFACE)
      sink.flush()
    }
  }

  /** Applies `peerSettings` and then sends a settings ACK. */

 * This class provides functionality for registering, unregistering, and monitoring scheduled jobs.
 */
public class JobHelper {
    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(JobHelper.class);

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

 */
public class ApiAdminDocumentsAction extends FessApiAdminAction {

    // ===================================================================================
    // Constant
    //
    private static final Logger logger = LogManager.getLogger(ApiAdminSearchlistAction.class);

    // ===================================================================================
    // Constructor
    // ===========

    /**

    private String javaHome;

    public static final String KEY_JAVAHOME = "jdkHome"; // NOI18N

    JavaToolchainImpl(ToolchainModel model, Logger logger) {
        super(model, "jdk", logger);
    }

    public String getJavaHome() {
        return javaHome;
    }

    public void setJavaHome(String javaHome) {
        this.javaHome = javaHome;
    }

    @Override

import io.restassured.response.Response;

public abstract class CrudTestBase extends ITBase {

    protected static final int NUM = 20;
    protected static final int SEARCH_ALL_NUM = 1000;

    private static final Logger logger = LogManager.getLogger(CrudTestBase.class);

    // ================
    // Abstract Methods
    // ================
    abstract protected String getNamePrefix();

    abstract protected String getApiPath();

public class AccessTimeoutTarget implements TimeoutTarget {

    private static final Logger logger = LogManager.getLogger(AccessTimeoutTarget.class);

    private static final int MAX_LOOP_COUNT = 10;

    /** The thread being monitored. */
    protected Thread runningThread;

    /** Flag indicating if the thread is still running. */
    protected AtomicBoolean running = new AtomicBoolean();

    /**

            if (settings.getAsList("synonyms", null) != null) {
                logger.warn("synonyms values are empty.");
            } else if (settings.get("synonyms_path") != null) {
                logger.warn("synonyms_path[{}] is empty.", settings.get("synonyms_path"));
            } else {
                logger.debug("No synonym data.");
            }
        }
    }

    @Override

    /**
     * Target indices for OpenSearch.
     */
    public static final String TARGET_INDICES = "crawler.opensearch.target_indices";

    /**
     * Logger instance.
     */
    private static final Logger logger = LogManager.getLogger(FesenClient.class);

    /**
     * The OpenSearch client.
     */
    protected Client client;

    /**

      if (increment == 0L) throw IOException("windowSizeIncrement was 0")
    } catch (e: Exception) {
      logger.fine(frameLog(true, streamId, length, TYPE_WINDOW_UPDATE, flags))
      throw e
    }
    if (logger.isLoggable(FINE)) {
      logger.fine(
        frameLogWindowUpdate(
          inbound = true,
          streamId = streamId,
          length = length,

        super();
    }

    /**
     * Role name for duplicate host administration.
     */
    public static final String ROLE = "admin-duplicatehost";

    private static final Logger logger = LogManager.getLogger(AdminDuplicatehostAction.class);

    // ===================================================================================