private enum Aggregate {
    SIZE {
      @Override
      int nodeAggregate(AvlNode<?> node) {
        return node.elemCount;
      }

      @Override
      long treeAggregate(@CheckForNull AvlNode<?> root) {
        return (root == null) ? 0 : root.totalCount;
      }
    },
    DISTINCT {
      @Override
      int nodeAggregate(AvlNode<?> node) {
        return 1;
      }

 */
package org.codelibs.fess.thumbnail.impl;

import java.io.File;

public class EmptyGenerator extends BaseThumbnailGenerator {

    @Override
    public boolean generate(final String thumbnailId, final File outputFile) {
        return false;
    }

    @Override
    public void destroy() {
        // nothing
    }

        }
    }

    @Deprecated
    @Override
    public MavenMetadata setFile(File file) {
        return new PluginsMetadata(pluginInfo, file.toPath(), timestamp);
    }

    @Override
    public MavenMetadata setPath(Path path) {
        return new PluginsMetadata(pluginInfo, path, timestamp);
    }

    @Override
    public String getGroupId() {
        return pluginInfo.groupId;

import org.opensearch.index.query.QueryBuilder;
import org.opensearch.search.sort.FieldSortBuilder;

public class CrawlingConfigHelperTest extends UnitFessTestCase {
    private CrawlingConfigHelper crawlingConfigHelper;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        final File propFile = File.createTempFile("system", ".properties");
        propFile.deleteOnExit();

                this.coordinatesString = coordinatesString;
            }

            @Override
            public String getGroupId() {
                return groupId;
            }

            @Override
            public String getArtifactId() {
                return artifactId;
            }

            @Override
            public String getVersion() {
                return version;
            }

    private String featureSetName;
    private String storeName;
    private Map<String, Object> params;
    private List<String> activeFeatures;

    @Override
    public String getWriteableName() {
        return NAME;
    }

    @Override
    protected void doWriteTo(final StreamOutput out) throws IOException {
        out.writeOptionalString(modelName);
        out.writeOptionalString(featureSetName);

  //
  // ValueGraph-level accessors
  //

  /** Returns all nodes in this graph, in the order specified by {@link #nodeOrder()}. */
  @Override
  Set<N> nodes();

  /** Returns all edges in this graph. */
  @Override
  Set<EndpointPair<N>> edges();

  /**
   * Returns a live view of this graph as a {@link Graph}. The resulting {@link Graph} will have an

  @Override
  @SuppressWarnings("unchecked")
  public final Entry<String, String>[] createArray(int length) {
    return (Entry<String, String>[]) new Entry<?, ?>[length];
  }

  @Override
  public final String[] createKeyArray(int length) {
    return new String[length];
  }

  @Override
  public final String[] createValueArray(int length) {

  protected ForwardingSortedSetMultimap() {}

  @Override
  protected abstract SortedSetMultimap<K, V> delegate();

  @Override
  public SortedSet<V> get(@ParametricNullness K key) {
    return delegate().get(key);
  }

  @Override
  public SortedSet<V> removeAll(@CheckForNull Object key) {
    return delegate().removeAll(key);
  }

  @Override

    @SuppressWarnings("EqualsHashCode")
    @Override
    public boolean equals(@Nullable Object other) {
      return (other instanceof ClassWhichIsAlwaysEqualButHasDifferentHashcodes);
    }
  }

  private static class ObjectWhichIsEqualButChangesClass implements Serializable {
    private static final long serialVersionUID = 1L;

    @Override
    public boolean equals(@Nullable Object other) {