public void testPeekingIteratorBehavesLikeIteratorOnThreeElementIterable() {
    actsLikeIteratorHelper(Lists.newArrayList("A", "B", "C"));
  }

  @GwtIncompatible // works but takes 5 minutes to run
  public void testPeekingIteratorAcceptsNullElements() {
    actsLikeIteratorHelper(Lists.<@Nullable String>newArrayList(null, "A", null));
  }

  public void testPeekOnEmptyList() {

      @Override
      public boolean apply(File file) {
        return file.isDirectory();
      }

      @Override
      public String toString() {
        return "Files.isDirectory()";
      }
    },

    IS_FILE {
      @Override
      public boolean apply(File file) {
        return file.isFile();
      }

      @Override
      public String toString() {

    }

    public MetadataGraphNode(MavenArtifactMetadata metadata) {
        this();
        this.metadata = metadata;
    }

    public MetadataGraphNode addIncident(MetadataGraphNode node) {
        inNodes.add(node);
        return this;
    }

    public MetadataGraphNode addExident(MetadataGraphNode node) {
        exNodes.add(node);
        return this;
    }

    @Override

        }

        @Override
        public String getName() {
            return name;
        }

        @Override
        public String[] getRoleNames() {
            return new String[0];
        }

        @Override
        public String[] getGroupNames() {
            return new String[0];
        }

        @Override
        public String[] getPermissions() {

    }
  }

  @Override
  public final boolean isRunning() {
    return state() == RUNNING;
  }

  @Override
  public final State state() {
    return snapshot.externalState();
  }

  /** @since 14.0 */
  @Override
  public final Throwable failureCause() {
    return snapshot.failureCause();
  }

  /** @since 13.0 */
  @Override

import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.ruts.process.ActionRuntime;
import org.opensearch.core.action.ActionListener;

import jakarta.annotation.Resource;

public class AdminMaintenanceAction extends FessAdminAction {

    public static final String ROLE = "admin-maintenance";

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

 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 

    private static final long ONE_DAY = 24 * ONE_HOUR;
    // CHECKSTYLE_ON: MagicNumber

    public static final String BUILD_VERSION_PROPERTY = "version";

    public static String showVersion() {
        return showVersion(null, null);
    }

    public static String showVersion(String commandLine, String terminal) {
        final String ls = System.lineSeparator();

     */
    public Set<String> getExportedPackages() {
        return packages;
    }

    /**
     * The key that can must used to identify the configuration using the
     * {@link javax.inject.Named} annotation.
     */
    public String getKey() {
        return key;
    }

    /**
     * Returns the configuration for this extension.
     */
    public XmlNode getConfiguration() {

 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *