Smb2IoctlResponse resp = new Smb2IoctlResponse(config);

        int read = resp.decode(packet, 0);
        assertTrue(read >= packet.length, "Decoded length should cover entire packet");
        assertNotNull(resp.getErrorData(), "Error data should be decoded");
        assertEquals(3, resp.getErrorData().length);
        assertEquals(2, resp.getErrorContextCount());

  }

  private enum VarHandleAtomicHelperMaker {
    INSTANCE {
      /**
       * Implementation used by non-J2ObjC environments (aside, of course, from those that have
       * supersource for the entirety of {@link AbstractFutureState}).
       */
      @Override
      @J2ObjCIncompatible
      @Nullable AtomicHelper tryMakeVarHandleAtomicHelper() {
        try {
          /*

      if (maxSize() < thatMinSize) {
        return false; // this.size() < that.size()
      }

      // the base implementation from AbstractSet uses size() and containsAll()
      // both require iterating over the entire SetView
      // we avoid iterating twice by doing the equivalent of both in one iteration
      int thisSize = 0;
      for (E e : this) {
        try {
          if (!that.contains(e)) {
            return false;

    val part = parts.nextPart()!!
    assertThat(part.body.readUtf8()).isEqualTo("abcd\r\n--simple boundar\r\n\r\nefgh")

    assertThat(parts.nextPart()).isNull()
  }

  @Test fun `do not need to read entire part`() {
    val multipart =
      """
      |--simple boundary
      |
      |abcd
      |efgh
      |ijkl
      |--simple boundary
      |
      |mnop
      |--simple boundary--

     * Sets the default timeout for complete calls. A value of 0 means no timeout, otherwise values
     * must be between 1 and [Integer.MAX_VALUE] when converted to milliseconds.
     *
     * The call timeout spans the entire call: resolving DNS, connecting, writing the request body,
     * server processing, and reading the response body. If the call requires redirects or retries
     * all must complete within one timeout period.
     *

    assertThat(cookie.matches("http://www.example.com".toHttpUrl())).isTrue()
    assertThat(cookie.matches("http://square.com".toHttpUrl())).isFalse()
  }

  /** Ignore the entire attribute if the domain ends with `.`.  */
  @Test fun domainIgnoredWithTrailingDot() {
    val cookie = parse(url, "a=b; domain=example.com.")
    assertThat(cookie!!.matches("http://example.com".toHttpUrl())).isTrue()

The `string()` method on response body is convenient and efficient for small documents. But if the response body is large (greater than 1 MiB), avoid `string()` because it will load the entire document into memory. In that case, prefer to process the body as a stream.

=== ":material-language-kotlin: Kotlin"
    ```kotlin
      private val client = OkHttpClient()

      fun run() {

   */
  public Optional<Long> lengthIfKnown() {
    return Optional.absent();
  }

  /**
   * Returns the length of this source in chars, even if doing so requires opening and traversing an
   * entire stream. To avoid a potentially expensive operation, see {@link #lengthIfKnown}.
   *
   * <p>The default implementation calls {@link #lengthIfKnown} and returns the value if present. If

   */
  public Optional<Long> lengthIfKnown() {
    return Optional.absent();
  }

  /**
   * Returns the length of this source in chars, even if doing so requires opening and traversing an
   * entire stream. To avoid a potentially expensive operation, see {@link #lengthIfKnown}.
   *
   * <p>The default implementation calls {@link #lengthIfKnown} and returns the value if present. If

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointers() {
    /*
     * Don't bother testing: Preconditions defines a bunch of methods that accept a template (or
     * even entire message) that simultaneously:
     *
     * - _shouldn't_ be null, so we don't annotate it with @Nullable
     *
     * - _can_ be null without causing a runtime failure (because we don't want the interesting