/**
     * Flushes configuration files to the search engine and executes a callback.
     *
     * @param callback the callback to execute after flushing
     */
    public void flushConfigFiles(final Runnable callback) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        final String fesenType = fessConfig.getFesenType();
        switch (fesenType) {
        case Constants.FESEN_TYPE_CLOUD:

(prefers-reduced-motion: reduce) {\n  .custom-range::-webkit-slider-thumb {\n    -webkit-transition: none;\n    transition: none;\n  }\n}\n\n.custom-range::-webkit-slider-thumb:active {\n  background-color: #b3d7ff;\n}\n\n.custom-range::-webkit-slider-runnable-track {\n  width: 100%;\n  height: 0.5rem;\n  color: transparent;\n  cursor: pointer;\n  background-color: #dee2e6;\n  border-color: transparent;\n  border-radius: 1rem;\n}\n\n.custom-range::-moz-range-thumb {\n  width: 1rem;\n  height: 1rem;\n ...

import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link Runnables}.
 *
 * @author Olivier Pernet
 */
@GwtCompatible
@NullUnmarked
public class RunnablesTest extends TestCase {
  public void testDoNothingRunnableIsSingleton() {
    assertSame(Runnables.doNothing(), Runnables.doNothing());
  }

import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link Runnables}.
 *
 * @author Olivier Pernet
 */
@GwtCompatible
@NullUnmarked
public class RunnablesTest extends TestCase {
  public void testDoNothingRunnableIsSingleton() {
    assertSame(Runnables.doNothing(), Runnables.doNothing());
  }

            throw new IOException("Unable to prompt", e);
        }
    }

    @Override
    public String readPassword() throws IOException {
        try {
            return prompter.promptForPassword(null);
        } catch (org.apache.maven.api.services.PrompterException e) {
            throw new IOException("Unable to prompt", e);
        }
    }

    @Override

	logger.FatalIf(lockRPCForceUnlock.Register(gm, lockServer.ForceUnlockHandler), "unable to register handler")
	logger.FatalIf(lockRPCRefresh.Register(gm, lockServer.RefreshHandler), "unable to register handler")
	logger.FatalIf(lockRPCLock.Register(gm, lockServer.LockHandler), "unable to register handler")
	logger.FatalIf(lockRPCUnlock.Register(gm, lockServer.UnlockHandler), "unable to register handler")

		t.Fatalf("Unable to create a file \"as-directory/as-file\", %s", err)
	}
	if err = xlStorage.AppendFile(t.Context(), "exists", "as-file/xl.meta", xlMeta); err != nil {
		t.Fatalf("Unable to create a file \"as-file\", %s", err)
	}
	if err = xlStorage.AppendFile(t.Context(), "exists", "as-file-parent/xl.meta", xlMeta); err != nil {
		t.Fatalf("Unable to create a file \"as-file-parent\", %s", err)
	}

		if len(tokens) != 2 {
			logger.Fatal(fmt.Errorf("invalid arguments passed to --ftp=%s", arg), "unable to start FTP server")
		}
		switch tokens[0] {
		case "address":
			host, portStr, err := net.SplitHostPort(tokens[1])
			if err != nil {
				logger.Fatal(fmt.Errorf("invalid arguments passed to --ftp=%s (%v)", arg, err), "unable to start FTP server")
			}
			port, err = strconv.Atoi(portStr)
			if err != nil {

	logger.FatalIf(getMetacacheListingRPC.Register(gm, server.GetMetacacheListingHandler), "unable to register handler")
	logger.FatalIf(getMetricsRPC.Register(gm, server.GetMetricsHandler), "unable to register handler")
	logger.FatalIf(getNetInfoRPC.Register(gm, server.GetNetInfoHandler), "unable to register handler")
	logger.FatalIf(getOSInfoRPC.Register(gm, server.GetOSInfoHandler), "unable to register handler")

			configLogIf(ctx, fmt.Errorf("Unable to load drive config: %w", err))
		} else {
			if err = globalDriveConfig.Update(driveConfig); err != nil {
				configLogIf(ctx, fmt.Errorf("Unable to update drive config: %v", err))
			}
		}
	case config.BrowserSubSys:
		browserCfg, err := browser.LookupConfig(s[config.BrowserSubSys][config.Default])
		if err != nil {
			errs = append(errs, fmt.Errorf("Unable to apply browser config: %w", err))