func RegisterCompressor(method uint16, comp Compressor) {
	if _, dup := compressors.LoadOrStore(method, comp); dup {
		panic("compressor already registered")
	}
}

func compressor(method uint16) Compressor {
	ci, ok := compressors.Load(method)
	if !ok {
		return nil
	}
	return ci.(Compressor)
}

func decompressor(method uint16) Decompressor {
	di, ok := decompressors.Load(method)
	if !ok {
		return nil
	}

    /**
     * Tests the toString method.
     */
    @Test
    void testToString() {
        String result = response.toString();
        assertNotNull(result, "toString() should not return null.");
    }

    // Helper method to access the super.toString() for verification,
    // as we cannot call it directly from the test.
    // This requires a package-private or public method in the class under test,

	}
	for i, want := range files {
		got := r.File[i]
		if got.Name != want.name {
			t.Errorf("got Name %s; want %s", got.Name, want.name)
		}
		if got.Method != want.method {
			t.Errorf("%s: got Method %#x; want %#x", want.name, got.Method, want.method)
		}
		if got.Flags != want.flags {
			t.Errorf("%s: got Flags %#x; want %#x", want.name, got.Flags, want.flags)
		}
		if got.CRC32 != want.crc32 {

    }

    /**
     * Helper method to set header start using reflection
     */
    private void setHeaderStart(Smb2ChangeNotifyResponse response, int headerStart) throws Exception {
        Method method = ServerMessageBlock2.class.getDeclaredMethod("getHeaderStart");
        method.setAccessible(true);

   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getListIteratorFullyModifiableMethod() {
    return getMethod(ListListIteratorTester.class, "testListIterator_fullyModifiable");
  }

  /**
   * Returns the {@link Method} instance for {@link #testListIterator_unmodifiable()} so that it can
   * be suppressed in GWT tests.
   */
  @J2ktIncompatible

    }
  }

  /**
   * Inserts the specified element into this priority queue. As the queue is unbounded this method
   * will never block.
   *
   * @param e the element to add
   * @param timeout This parameter is ignored as the method never blocks
   * @param unit This parameter is ignored as the method never blocks
   * @return {@code true}

    return emptySet();
  }

  protected Collection<Method> suppressForHashSet() {
    return emptySet();
  }

  protected Collection<Method> suppressForLinkedHashSet() {
    return emptySet();
  }

  protected Collection<Method> suppressForEnumSet() {
    return emptySet();
  }

  protected Collection<Method> suppressForSynchronizedNavigableSet() {

  }

  private static Set<Method> findInterruptibleMethods(Class<?> interfaceType) {
    Set<Method> set = new HashSet<>();
    for (Method m : interfaceType.getMethods()) {
      if (declaresInterruptedEx(m)) {
        set.add(m);
      }
    }
    return set;
  }

  private static boolean declaresInterruptedEx(Method method) {
    for (Class<?> exType : method.getExceptionTypes()) {

  /**
   * Replaces the existing container under test with a new container. This is useful when a single
   * test method needs to create multiple containers while retaining the ability to use {@link
   * #expectContents(Object[]) expectContents(E...)} and other convenience methods. The creation of
   * multiple containers in a single method is discouraged in most cases, but it is vital to the
   * iterator tests.
   *
   * @return the new container instance

   * does not include "was cancelled." To be explicit: If this method returns a non-null value,
   * then:
   *
   * <ul>
   *   <li>{@code isDone()} must return {@code true}
   *   <li>{@code isCancelled()} must return {@code false}
   *   <li>{@code get()} must not block, and it must throw an {@code ExecutionException} with the
   *       return value of this method as its cause
   * </ul>
   */
  public static
      Throwable