@BeforeExperiment
  void setUp() {
    testBytesA = new byte[size];
    random.nextBytes(testBytesA);
    testBytesB = Arrays.copyOf(testBytesA, size);
    int indexToDifferAt = -1;
    switch (whereToDiffer) {
      case ONE_PERCENT_IN:
        indexToDifferAt = (int) (size * 0.01);
        break;
      case LAST_BYTE:
        indexToDifferAt = size - 1;
        break;
      case NOT_AT_ALL:
    }

        assertNotNull(session.getMessages());
        assertEquals(1, session.getMessages().size());
    }

    @Test
    public void test_addUserMessage() {
        final ChatSession session = new ChatSession();
        session.addUserMessage("User message content");

        assertEquals(1, session.getMessages().size());
        assertEquals(ChatMessage.ROLE_USER, session.getMessages().get(0).getRole());

  private var contentLength = -1L

  @get:JvmName("boundary")
  val boundary: String
    get() = boundaryByteString.utf8()

  /** The number of parts in this multipart body. */
  @get:JvmName("size")
  val size: Int
    get() = parts.size

  fun part(index: Int): Part = parts[index]

  override fun isOneShot(): Boolean = parts.any { it.body.isOneShot() }

  /** A combination of [type] and [boundaryByteString]. */

    assertEquals(underlying.size(), map.size());

    underlying.put("d", 4);
    assertEquals(underlying.size(), map.size());
    assertThat(map.get("d")).isEqualTo("4");

    underlying.remove("c");
    assertEquals(underlying.size(), map.size());
    assertFalse(map.containsKey("c"));

    underlying.clear();
    assertEquals(underlying.size(), map.size());
  }

    } else if (size < 0) {
      throw new IllegalArgumentException("negative size: " + size);
    } else { // index >= size
      return lenientFormat("%s (%s) must be less than size (%s)", desc, index, size);
    }
  }

  /**
   * Ensures that {@code index} specifies a valid <i>position</i> in an array, list or string of

}

/**
 * Modifies [ranges] to combine any adjacent [MappedRange.InlineDelta] of same size to single entry.
 * @returns same instance of [ranges] for convenience
 */
internal fun mergeAdjacentDeltaMappedRanges(ranges: MutableList<MappedRange>): MutableList<MappedRange> {
  var i = 0
  while (i < ranges.size) {
    val curr = ranges[i]
    if (curr is MappedRange.InlineDelta) {
      val j = i + 1

    private final boolean directory;
    private final long size;
    private final ZonedDateTime lastModified;
    private final String encodedId;

    /**
     * Creates a new StorageItem instance.
     *
     * @param name the name of the item
     * @param path the path of the item
     * @param directory true if this item is a directory
     * @param size the size of the item in bytes

    }

    /**
     * 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) {

        this.existNextPage = existNextPage;
    }

    /**
     * Gets the number of records per page.
     * If page size is not set or invalid, returns the default page size.
     *
     * @return the page size
     */
    public int getPageSize() {
        if (pageSize <= 0) {
            pageSize = getDefaultPageSize();
        }
        return pageSize;
    }

    val inflater = MessageInflater(false)

    val goldenValue = "Hello deflate!".repeat(100).encodeUtf8()

    val deflated = deflater.deflate(goldenValue)
    assertThat(deflated.size).isLessThan(goldenValue.size)
    val inflated = inflater.inflate(deflated)

    assertThat(inflated).isEqualTo(goldenValue)
  }

  @Test fun `inflate deflate empty message`() {
    val deflater = MessageDeflater(false)