}

    @Override
    public int remove(@Nullable Object key, int occurrences) {
      checkNonnegative(occurrences, "occurrences");
      if (occurrences == 0) {
        return count(key);
      }
      Collection<V> collection = unfiltered.asMap().get(key);
      if (collection == null) {
        return 0;
      }
      @SuppressWarnings("unchecked") // key is equal to a K, if not a K itself

    ImmutableLongArray.of().forEach(i -> fail());
    ImmutableLongArray.of(0, 1, 3).subArray(1, 1).forEach(i -> fail());

    AtomicLong count = new AtomicLong(0);
    ImmutableLongArray.of(0, 1, 2, 3)
        .forEach(i -> assertThat(i).isEqualTo(count.getAndIncrement()));
    assertThat(count.get()).isEqualTo(4);
  }

  public void testStream() {
    ImmutableLongArray.of().stream().forEach(i -> fail());

    ImmutableDoubleArray.of(0, 1, 3).subArray(1, 1).forEach(i -> fail());

    AtomicInteger count = new AtomicInteger(0);
    ImmutableDoubleArray.of(0, 1, 2, 3)
        .forEach(i -> assertThat(i).isEqualTo((double) count.getAndIncrement()));
    assertThat(count.get()).isEqualTo(4);
  }

  public void testStream() {
    ImmutableDoubleArray.of().stream().forEach(i -> fail());

    @Resource
    protected FessConfig fessConfig;

    /**
     * Retrieves a paginated list of users based on the provided pager criteria.
     * Updates the pager with pagination information including total count and page navigation.
     *
     * @param userPager the pager containing search criteria and pagination settings
     * @return a list of users matching the criteria
     */

            }
        } catch (Exception e) {
            log.error("Failed to perform emergency file handle cleanup", e);
        }
    }

    /**
     * @return a file handle with increased usage count
     */
    public SmbFileHandleImpl acquire() {
        final long usage = this.usageCount.incrementAndGet();
        if (log.isTraceEnabled()) {
            log.trace(String.format("Acquire %s (%d)", this, usage));

                scrollId = response.getScrollId();
            }
        } finally {
            SuggestUtil.deleteScrollContext(client, scrollId);
        }
    }

    /**
     * Gets the total hit count from a scroll search.
     *
     * @param client The OpenSearch client
     * @param settings The suggest settings containing timeout configurations
     * @param index The index name to search

  static final byte UNSET = 0;

  /** Number of bits used to store the numbers of hash table bits (max 30). */
  private static final int HASH_TABLE_BITS_MAX_BITS = 5;

  /** Use high bits of metadata for modification count. */
  static final int MODIFICATION_COUNT_INCREMENT = 1 << HASH_TABLE_BITS_MAX_BITS;

  /** Bitmask that selects the low bits of metadata to get hashTableBits. */

            // Verify correctness
            assertTrue(result.success(), "Result should be successful");
            assertEquals(largePomSet.size(), result.processedCount(), "Should have correct processed count");
        }
    }

    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

        }
        if (done) {
          break;
        }
      }
    }
  }

  /**
   * Multiple threads using same array of counters successfully update a number of times equal to
   * total count
   */
  public void testCountingInMultipleThreads() throws InterruptedException {
    AtomicDoubleArray aa = new AtomicDoubleArray(SIZE);
    for (int i = 0; i < SIZE; i++) {
      aa.set(i, (double) COUNTDOWN);