package once

// Singleton contains a pointer to T that must be set once.
// Until the value is set all Get() calls will block.
type Singleton[T any] struct {
	v   *T
	set chan struct{}
}

// NewSingleton creates a new unset singleton.
func NewSingleton[T any]() *Singleton[T] {
	return &Singleton[T]{set: make(chan struct{}), v: nil}
}

// Get will return the singleton value.
func (s *Singleton[T]) Get() *T {
	<-s.set
	return s.v

    // Generated classes may not adhere to the strict no-warning policy that we apply to handwritten code
    // For example, external JMH plugin generates code that produces compiler warnings
    if (!name.contains("CompileGeneratedClasses")) {
        options.compilerArgs.addAll(strictCompilerArgs)
    }

        data.addChildUrl(child2);

        Set<RequestData> childUrlSet = data.getChildUrlSet();
        assertEquals(2, childUrlSet.size());
        assertTrue(childUrlSet.contains(child1));
        assertTrue(childUrlSet.contains(child2));
    }

    public void test_removeChildUrl() {
        // Test removing child URL
        ResponseData data = new ResponseData();

  }

  @Override
  public int count(@Nullable Object element) {
    try {
      @SuppressWarnings("unchecked")
      E e = (E) element;
      AvlNode<E> root = rootReference.get();
      if (!range.contains(e) || root == null) {
        return 0;
      }
      return root.count(comparator(), e);
    } catch (ClassCastException | NullPointerException e) {
      return 0;
    }
  }

  }

  /**
   * Returns {@code true} if this fluent iterable contains any object for which {@code
   * equals(target)} is true.
   *
   * <p><b>{@code Stream} equivalent:</b> {@code stream.anyMatch(Predicate.isEqual(target))}.
   */
  public final boolean contains(@Nullable Object target) {
    return Iterables.contains(getDelegate(), target);
  }

  /**

        // Given
        SpnegoException ex = new SpnegoException("hello");

        // When
        String s = ex.toString();

        // Then
        assertTrue(s.contains("jcifs.spnego.SpnegoException"));
        assertTrue(s.contains("hello"));
    }

    @Test
    @DisplayName("Should serialize and deserialize preserving message and cause")
    void testJavaSerialization() throws Exception {
        // Given

     */
    /**
     * Checks if the rule manager contains the specified rule.
     * @param rule the rule to check for
     * @return true if the rule is present, false otherwise
     */
    @Override
    public boolean hasRule(final Rule rule) {
        return ruleList.contains(rule);
    }

    /*
     * (non-Javadoc)
     *
     * @see

        boolean activatedPomProfileNotByDefault = false;

        for (Profile profile : profiles) {
            if (!deactivatedIds.contains(profile.getId())) {
                if (activatedIds.contains(profile.getId()) || isActive(profile, context, problems)) {
                    activeProfiles.add(profile);

                    if (Profile.SOURCE_POM.equals(profile.getSource())) {

    private fun generateForFile(file: FileTreeElement) {
        val fileContent = file.file.readText()
        val relativePath = file.relativePath.toString()
        require(!fileContent.contains("'''")) {
            "The class with class='autoTested' can't contains triple quotes: $relativePath"
        }
        if (!sampleStart.matcher(fileContent).find()) {
            return
        }

        // Then
        assertNotNull(str);
        assertTrue(str.contains("Smb2NegotiateResponse"));
        assertTrue(str.contains("dialectRevision="));
        assertTrue(str.contains("securityMode="));
        assertTrue(str.contains("capabilities="));
        assertTrue(str.contains("serverTime="));
    }

    @Test