// and 0 will be returned if nobody is subscribed for the type(s).
func (ps *PubSub[T, M]) NumSubscribers(mask M) int32 {
	types := Mask(atomic.LoadUint64(&ps.types))
	if !types.Overlaps(Mask(mask.Mask())) {
		return 0
	}
	return atomic.LoadInt32(&ps.numSubscribers)
}

// Subscribers returns the number of current subscribers for all types.
func (ps *PubSub[T, M]) Subscribers() int32 {

import org.jspecify.annotations.NullUnmarked;

/**
 * Microbenchmark for {@link Splitter#on} with char vs String with length == 1.
 *
 * @author Paul Lindner
 */
@NullUnmarked
public class SplitterBenchmark {
  // overall size of string
  @Param({"1", "10", "100", "1000"})
  int length;

  // Number of matching strings
  @Param({"xxxx", "xxXx", "xXxX", "XXXX"})
  String text;

  private String input;

   * in a {@code RuntimeException}. <b>Note:</b> Be sure to declare all of the checked exception
   * types your try block can throw when calling an overload of this method so as to avoid losing
   * the original exception type.
   *
   * <p>This method always throws, and as such should be called as {@code throw closer.rethrow(e);}

    public void install(File source, Artifact artifact, ArtifactRepository localRepository)
            throws ArtifactInstallationException {
        RepositorySystemSession session =
                LegacyLocalRepositoryManager.overlay(localRepository, legacySupport.getRepositorySession(), repoSystem);

        InstallRequest request = new InstallRequest();

        request.setTrace(RequestTrace.newChild(null, legacySupport.getSession().getCurrentProject()));

    }

    @Test
    @DisplayName("send(Request, varargs) delegates with null response")
    void sendWithRequestVarargsDelegates() throws Exception {
        // Verifies Request<T> overload forwards to the varargs form with a null response
        @SuppressWarnings("unchecked")
        Request<CommonServerMessageBlockResponse> req = mock(Request.class);

  }

  static void clearInterrupt() {
    Thread.interrupted();
  }

  /**
   * Retrieves the result of a {@code Future} known to be done but uses the {@code get(long,
   * TimeUnit)} overload in order to test that method.
   */
  static <V extends @Nullable Object> V getDoneFromTimeoutOverload(Future<V> future)
      throws ExecutionException {

* Missing null checks may cause NullPointerException
* Bridging with Kotlin code is polluted with platform types
* Some public APIs have incorrect nullability annotations (both overly restrictive and overly permissive)

While there are competing ways to represent absence (`Optional`, "Null Object" pattern, method overloads),
it is unlikely that we'll be able to remove `null` entirely.

    // ambiguous without the cast to Object because the boxed predicate prevents any overload from
    // being selected in phase 1
    checkState(boxedBoolean, "", (Object) boxedLong);

    // ternaries introduce their own problems. because of the ternary (which requires a boxing
    // operation) no overload can be selected in phase 1.  and in phase 2 it is ambiguous since it

import org.jspecify.annotations.NullUnmarked;

/**
 * Microbenchmark for {@link Splitter#on} with char vs String with length == 1.
 *
 * @author Paul Lindner
 */
@NullUnmarked
public class SplitterBenchmark {
  // overall size of string
  @Param({"1", "10", "100", "1000"})
  int length;

  // Number of matching strings
  @Param({"xxxx", "xxXx", "xXxX", "XXXX"})
  String text;

  private String input;

    }

    /**
     *
     * {@inheritDoc}
     *
     * @see jcifs.smb.SmbResourceLocatorInternal#overlaps(jcifs.SmbResourceLocator)
     */
    @Override
    public boolean overlaps(final SmbResourceLocator other) throws CIFSException {
        final String tp = getCanonicalURL();
        final String op = other.getCanonicalURL();