*/
  static <T extends @Nullable Object> T[] toArrayImpl(Collection<?> c, T[] array) {
    int size = c.size();
    if (array.length < size) {
      array = newArray(array, size);
    }
    fillArray(c, array);
    if (array.length > size) {
      @Nullable Object[] unsoundlyCovariantArray = array;
      unsoundlyCovariantArray[size] = null;
    }
    return array;
  }

  /**

    const val MAX_CONCURRENT_STREAMS = 3

    /** Window size in bytes. */
    const val INITIAL_WINDOW_SIZE = 4

    /** HTTP/2: Size in bytes of the largest frame payload the sender will accept. */
    const val MAX_FRAME_SIZE = 5

    /** HTTP/2: Advisory only. Size in bytes of the largest header list the sender will accept. */
    const val MAX_HEADER_LIST_SIZE = 6

        log.debug("Discovered {} local network interfaces", localInterfaces.size());
    }

    private boolean canEnableMultiChannel() {
        return localInterfaces.size() > 0 && remoteInterfaces.size() > 0 && (localInterfaces.size() > 1 || remoteInterfaces.size() > 1);
    }

    private void establishAdditionalChannels() {
        int currentChannels = channels.size();

        } else {
            bufferSize = DEFAULT_BUF_SIZE;
        }
        char[] buf = new char[bufferSize];
        int size = 0;
        int len;
        try {
            while ((len = reader.read(buf, size, bufferSize - size)) != -1) {
                size += len;
                if (size == bufferSize) {
                    final char[] newBuf = new char[bufferSize + initialCapacity];

            int start = params.getStartPosition();
            int size = params.getPageSize();
            SearchResultBuilder builder = SearchResult.create();
            for (int i = start; i < start + size && i < allRecordCount; i++) {
                Map<String, Object> doc = new HashMap<>();
                doc.put(ID_FIELD, Integer.toString(i));

    }

    protected Map<String, Object> createSearchBody(final int size) {
        final Map<String, Object> searchBody = new HashMap<>();
        searchBody.put("size", size);
        return searchBody;
    }

    } else {
      assertNull(multimap().asMap().get(key));
    }

    assertEquals(values.size(), multimap().get(key).size());

    assertEquals(values.size() > 0, multimap().containsKey(key));
    assertEquals(values.size() > 0, multimap().keySet().contains(key));
    assertEquals(values.size() > 0, multimap().keys().contains(key));
  }

  protected final K k0() {
    return e0().getKey();
  }

    assertThat(body.contentType().toString())
      .isEqualTo("multipart/mixed; boundary=123")
    assertThat(body.parts.size).isEqualTo(1)
    assertThat(body.contentLength()).isEqualTo(33L)
    val buffer = Buffer()
    body.writeTo(buffer)
    assertThat(body.contentLength()).isEqualTo(buffer.size)
    assertThat(buffer.readUtf8()).isEqualTo(expected)
  }

  @Test
  fun threeParts() {
    val expected =
      """

        }
    }

    @Nested
    @DisplayName("Size Method Tests")
    class SizeTests {

        @Test
        @DisplayName("Should return correct size of 24 bytes")
        void testSize() {
            // Given
            SrvCopychunk chunk = new SrvCopychunk(0, 0, 0);

            // When
            int size = chunk.size();

            // Then
            assertEquals(EXPECTED_SIZE, size);

    }

    /**
     * Gets the page size.
     *
     * @return the page size
     */
    public int getPageSize() {
        if (pageSize <= 0) {
            pageSize = getDefaultPageSize();
        }
        return pageSize;
    }

    /**
     * Sets the page size.
     *
     * @param pageSize the page size
     */
    public void setPageSize(final int pageSize) {