Node<K, V> head;
    Node<K, V> tail;
    int count;

    KeyList(Node<K, V> firstNode) {
      this.head = firstNode;
      this.tail = firstNode;
      firstNode.previousSibling = null;
      firstNode.nextSibling = null;
      this.count = 1;
    }
  }

  private transient @Nullable Node<K, V> head; // the head for all keys

@ExtendWith(MockitoExtension.class)
class SrvCopychunkCopyTest {

    private static final int SOURCE_KEY_SIZE = 24;
    private static final int HEADER_SIZE = 32; // 24 bytes source key + 4 bytes chunk count + 4 bytes reserved
    private static final int CHUNK_SIZE = 24;

    @Mock
    private SrvCopychunk mockChunk;

    @BeforeEach
    void setUp() {
    }

    @Nested

            AtomicInteger count = new AtomicInteger();
            String[] queryLogs = new String[] { field + ":検索", field + ":fess", field + ":検索エンジン" };

            @Override
            public QueryLog read() {
                if (count.get() >= queryLogs.length) {
                    return null;
                }
                return new QueryLog(queryLogs[count.getAndIncrement()], null);
            }

        public long getFavoriteCount(String url) {
            return favoriteCount;
        }

        public void setClickCount(int count) {
            this.clickCount = count;
        }

        public void setFavoriteCount(long count) {
            this.favoriteCount = count;
        }
    }

    private static class TestLanguageHelper extends LanguageHelper {
        @Override

      ensureRoomFor(values.length());
      System.arraycopy(values.array, values.start, array, count, values.length());
      count += values.length();
      return this;
    }

    private void ensureRoomFor(int numberToAdd) {
      int newCount = count + numberToAdd; // TODO(kevinb): check overflow now?
      if (newCount > array.length) {

      ensureRoomFor(values.length());
      System.arraycopy(values.array, values.start, array, count, values.length());
      count += values.length();
      return this;
    }

    private void ensureRoomFor(int numberToAdd) {
      int newCount = count + numberToAdd; // TODO(kevinb): check overflow now?
      if (newCount > array.length) {

	AmzFwdHeaderObjectLockRetainUntil = "x-amz-fwd-header-x-amz-object-lock-retain-until-date"
	AmzFwdHeaderMPPartsCount          = "x-amz-fwd-header-x-amz-mp-parts-count"
	AmzFwdHeaderReplicationStatus     = "x-amz-fwd-header-x-amz-replication-status"
	AmzFwdHeaderSSE                   = "x-amz-fwd-header-x-amz-server-side-encryption"

    if (edge->src_output() == oper_out.index) {
      if (count < max_consumers) {
        consumers[count] = {ToOperation(edge->dst()), edge->dst_input()};
      }
      ++count;
    }
  }
  return count;
}

int TF_OperationNumControlInputs(TF_Operation* oper) {
  int count = 0;
  for (const auto* edge : oper->node.in_edges()) {
    if (edge->IsControlEdge() && !edge->src()->IsSource()) {

    multiset.add("bar");
    assertEquals(3, multiset.size());
    assertEquals(2, multiset.count("foo"));
  }

  public void testCreateWithSize() {
    Multiset<String> multiset = HashMultiset.create(50);
    multiset.add("foo", 2);
    multiset.add("bar");
    assertEquals(3, multiset.size());
    assertEquals(2, multiset.count("foo"));
  }

  public void testCreateFromIterable() {

        @Test
        @DisplayName("acquire should increment usage count")
        void shouldIncrementUsageCount() {
            long initial = transport.getUsageCount();
            transport.acquire();
            assertEquals(initial + 1, transport.getUsageCount());
        }

        @Test
        @DisplayName("release should decrement usage count")
        void shouldDecrementUsageCount() {