while (from.read(buf) != -1) {
          ((Buffer) buf).flip();
          to.append(buf);
          total += buf.remaining();
          ((Buffer) buf).clear();
        }
        return total;
      }
    },
    NEW {
      @Override
      long copy(Readable from, Appendable to) throws IOException {
        return CharStreams.copy(from, to);
      }
    };

In Python there's a way to make an instance of a class a "callable".

Not the class itself (which is already a callable), but an instance of that class.

To do that, we declare a method `__call__`:

{* ../../docs_src/dependencies/tutorial011_an_py39.py hl[12] *}

 *
 * @author Louis Wasserman
 */
public class HashMultisetAddPresentBenchmark {
  private static final int ARRAY_MASK = 0x0ffff;
  private static final int ARRAY_SIZE = 0x10000;
  List<Multiset<Integer>> multisets = new ArrayList<>(0x10000);
  int[] queries = new int[ARRAY_SIZE];

  @BeforeExperiment
  void setUp() {
    Random random = new Random();
    multisets.clear();
    for (int i = 0; i < ARRAY_SIZE; i++) {

import org.opensearch.common.SetOnce;

public class WebConfigTest extends UnitFessTestCase {

    @Override
    protected boolean isUseOneTimeContainer() {
        return true;
    }

    public void test_initializeClientFactory() {
        final Map<String, String> systemPropMap = new HashMap<>();
        FessProp.propMap.clear();
        FessConfig fessConfig = new FessConfig.SimpleImpl() {

    }

    @Override
    public boolean contains(@CheckForNull Object o) {
      return AbstractMultimap.this.containsValue(o);
    }

    @Override
    public void clear() {
      AbstractMultimap.this.clear();
    }
  }

  Iterator<V> valueIterator() {
    return Maps.valueIterator(entries().iterator());
  }

  @LazyInit @CheckForNull private transient Map<K, Collection<V>> asMap;

  @Override

import java.util.ArrayList;
import java.util.List;

import org.codelibs.fess.unit.UnitFessTestCase;

public class BadWordPagerTest extends UnitFessTestCase {

    public void test_badWordPager() {
        BadWordPager badwordpager = new BadWordPager();

        badwordpager.clear();
        assertEquals(0, badwordpager.getAllRecordCount());
        assertEquals(0, badwordpager.getAllPageCount());

        docList.addContentSize(1000);
        docList.addProcessingTime(999);
        assertEquals(1000, docList.getContentSize());
        assertEquals(999, docList.getProcessingTime());

        docList.clear();
        assertEquals(0, docList.getContentSize());
        assertEquals(0, docList.getProcessingTime());
    }

    unfiltered.remove("three");
    assertEquals(ImmutableMap.of("two", 2, "four", 4), unfiltered);
    assertEquals(ImmutableMap.of("four", 4), filtered);

    unfiltered.clear();
    assertEquals(ImmutableMap.of(), unfiltered);
    assertEquals(ImmutableMap.of(), filtered);
  }

  public void testFilteredValuesIllegalPut() {
    Map<String, Integer> unfiltered = createUnfiltered();

        }
        t.join(timeoutMillis);
        return !t.isAlive();
    }

    /**
     * 管理している {@link TimeoutTask}をクリアします。
     */
    public synchronized void clear() {
        timeoutTaskList.clear();
    }

    /**
     * {@link TimeoutTarget}を追加します。
     *
     * @param timeoutTarget target
     * @param timeout timeout
     * @param permanent permanent

import jakarta.annotation.Resource;

/**
 * @author shinsuke
 * @author Shunji Makino
 */
public class AdminCrawlinginfoAction extends FessAdminAction {

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

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

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