}
                return deletedDocIdList.size();
            }
        };
        ComponentUtil.register(client, "searchEngineClient");
        final DocList docList = new DocList();
        assertEquals(0, indexingHelper.deleteOldDocuments(client, docList));
        assertEquals(0, docList.size());
        assertEquals(0, deletedDocIdList.size());

        docList.clear();
        deletedDocIdList.clear();

    }

    /**
     * Get the maximum size for RDMA read/write operations
     *
     * @return maximum read/write size in bytes
     */
    public int getMaxReadWriteSize() {
        return maxReadWriteSize;
    }

    /**
     * Set the maximum size for RDMA read/write operations
     *
     * @param maxReadWriteSize maximum read/write size in bytes
     */

            return Stream.of(Arguments.of(null, 4), // size() returns 4 even with null
                    Arguments.of(new int[0], 4), // size() returns 4 for empty array
                    Arguments.of(new int[] { 1 }, 4 + 2), // size() returns 4 + 2*1
                    Arguments.of(new int[] { 1, 2 }, 4 + 4), // size() returns 4 + 2*2
                    Arguments.of(new int[] { 1, 2, 3, 4, 5 }, 4 + 10) // size() returns 4 + 2*5
            );
        }

    }

    @Test
    public void test_append_nonExcludedLogger() {
        final LogEvent event = createLogEvent(Level.ERROR, "org.codelibs.fess.helper.SystemHelper", "not excluded");
        appender.append(event);

        final List<LogNotificationEvent> events = ComponentUtil.getLogNotificationHelper().drainAll();
        assertEquals(1, events.size());

        format(builder, size, null, false);
    }

    public void format(StringBuilder builder, long size, ScaleUnit unit) {
        format(builder, size, unit, false);
    }

    private void format(StringBuilder builder, long size, ScaleUnit unit, boolean omitSymbol) {
        if (size < 0L) {
            throw new IllegalArgumentException("file size cannot be negative: " + size);
        }

    @Size(max = 1000)
    public String entraidTenant;

    /** Entra ID authority URL. */
    @Size(max = 1000)
    public String entraidAuthority;

    /** Entra ID OAuth2 reply URL. */
    @Size(max = 1000)
    public String entraidReplyUrl;

    /** Entra ID state parameter TTL in seconds. */
    @Size(max = 100)
    public String entraidStateTtl;

    /** Entra ID default groups. */
    @Size(max = 1000)

   */
  public static <E> Set<Set<E>> combinations(Set<E> set, int size) {
    ImmutableMap<E, Integer> index = Maps.indexMap(set);
    checkNonnegative(size, "size");
    checkArgument(size <= index.size(), "size (%s) must be <= set.size() (%s)", size, index.size());
    if (size == 0) {
      return ImmutableSet.of(ImmutableSet.of());
    } else if (size == index.size()) {
      return ImmutableSet.of(index.keySet());
    }

        assertTrue(docMap.isEmpty());
        assertEquals(0, docMap.size());

        docMap.put("key1", "value1");
        assertFalse(docMap.isEmpty());
        assertEquals(1, docMap.size());

        docMap.put("key2", "value2");
        assertFalse(docMap.isEmpty());
        assertEquals(2, docMap.size());

        docMap.clear();
        assertTrue(docMap.isEmpty());

      return null;
    }
    return entry.getValue();
  }

  @SuppressWarnings("unchecked")
  final Segment<K, V, E, S>[] newSegmentArray(int ssize) {
    return (Segment<K, V, E, S>[]) new Segment<?, ?, ?, ?>[ssize];
  }

  // Inner Classes

  /**
   * Segments are specialized versions of hash tables. This subclass inherits from ReentrantLock

     * @param size the number of hex digits to write (will be left-padded with zeros)
     */
    public static void toHexChars(long val, final char dst[], final int dstIndex, int size) {
        while (size > 0) {
            dst[dstIndex + size - 1] = HEX_DIGITS[(int) (val & 0x000FL)];
            if (val != 0) {
                val >>>= 4;
            }
            size--;
        }
    }