* This method performs authentication checks and sets up the necessary
     * form parameters and rendering data for the help page display.
     *
     * @return HtmlResponse containing the rendered help page or redirect to login if authentication is required
     */
    @Execute
    public HtmlResponse index() {
        if (isLoginRequired()) {
            return redirectToLogin();
        }

        chains().of(stream -> stream.forEach(c -> c.delete(user)));
    }

    /**
     * Loads user information by processing through all authentication chains.
     * @param user The user template containing search criteria.
     * @return The loaded and enriched user information.
     */
    public User load(final User user) {
        User u = user;
        for (final AuthenticationChain chain : chains) {

public interface TestContainerGenerator<T, E extends @Nullable Object> {
  /** Returns the sample elements that this generate populates its container with. */
  SampleElements<E> samples();

  /**
   * Creates a new container containing the given elements. TODO: would be nice to figure out how to
   * use E... or E[] as a parameter type, but this doesn't seem to work because Java creates an
   * array of the erased type.
   */
  T create(Object... elements);

     *
     * @param parser
     *            The {@link SAXParser} to use. Must not be {@literal null}.
     * @param inputSource
     *            The {@link InputSource} containing the content to be parsed. Must not be {@literal null}.
     * @param handler
     *            The SAX {@link DefaultHandler} to use. Must not be {@literal null}.
     */

    /**
     * {@return the type of the dependency}.
     * A dependency can be a <abbr>JAR</abbr> file,
     * a modular-<abbr>JAR</abbr> if it is intended to be placed on the module path,
     * a <abbr>JAR</abbr> containing test classes, <i>etc.</i>
     *
     * @see DependencyCoordinates#getType()
     */
    @Nonnull
    Type getType();

    /**
     * {@return the time at which the dependency will be used}.

 */
@Experimental
public interface DependencyCoordinatesFactory extends Service {

    /**
     * Creates a new {@link DependencyCoordinates} object from the request.
     *
     * @param request the request containing the various data
     * @return a new {@link DependencyCoordinates} object
     *
     * @throws IllegalArgumentException if {@code request} is null or
     *         if {@code request.getSession()} is null or invalid

import com.google.common.annotations.J2ktIncompatible;
import java.util.Collections;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/** Implementation of an {@link Optional} not containing a reference. */
@GwtCompatible
final class Absent<T> extends Optional<T> {
  static final Absent<Object> INSTANCE = new Absent<>();

  @SuppressWarnings("unchecked") // implementation is "fully variant"

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.services.Request;
import org.apache.maven.api.services.Result;

/**
 * A record representing the result of a single request operation, containing the original request,
 * the result (if successful), and any error that occurred during processing.
 * <p>
 * This class is immutable and thread-safe, suitable for use in concurrent operations.
 *

 * of Android's private InetAddress#isNumeric API.
 *
 * This matches IPv6 addresses as a hex string containing at least one colon, and possibly
 * including dots after the first colon. It matches IPv4 addresses as strings containing only
 * decimal digits and dots. This pattern matches strings like "a:.23" and "54" that are neither IP

     * This path is only available after the artifact has been produced during the build lifecycle.
     *
     * @param project the project to get the artifact path for
     * @return an Optional containing the path to the built artifact if available,
     *         or empty if the artifact hasn't been built yet
     */
    @Nonnull
    Optional<Path> getPath(@Nonnull Project project);

    /**