All Possible Errors
- invalid lifecycle phase (maybe same as bad CLI param, though you were talking about embedder too)
- <module> specified is not found
- malformed settings
- malformed POM
- local repository not writable
- remote repositories not available
- artifact metadata missing
- extension metadata missing
- extension artifact missing
- artifact metadata retrieval problem

 * @since 8.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public final class MinMaxPriorityQueue<E> extends AbstractQueue<E> {

  /**
   * Creates a new min-max priority queue with default settings: natural order, no maximum size, no
   * initial contents, and an initial expected size of 11.
   */
  public static <E extends Comparable<E>> MinMaxPriorityQueue<E> create() {

    protected BaseConfiguration () throws CIFSException {
        this(false);
    }


    /**
     * 
     * @param initDefaults
     *            whether to initialize defaults based on other settings
     * @throws CIFSException
     */
    public BaseConfiguration ( boolean initDefaults ) throws CIFSException {
        if ( initDefaults ) {
            this.initDefaults();
        }
    }

        Serialization.getFieldSetter(ConcurrentHashMultiset.class, "countMap");
  }

  /**
   * Creates a new, empty {@code ConcurrentHashMultiset} using the default initial capacity, load
   * factor, and concurrency settings.
   */
  public static <E> ConcurrentHashMultiset<E> create() {
    // TODO(schmoe): provide a way to use this class with other (possibly arbitrary)

    private final transient ConcurrentMap<E, Integer> countMap;

    /**
     * Creates a new, empty {@code OldConcurrentHashMultiset} using the default initial capacity,
     * load factor, and concurrency settings.
     */
    public static <E> OldConcurrentHashMultiset<E> create() {
      return new OldConcurrentHashMultiset<E>(new ConcurrentHashMap<E, Integer>());
    }

    @VisibleForTesting

   * Constructs a new {@code CacheBuilder} instance with the settings specified in {@code spec}.
   *
   * @since 12.0
   */
  @GwtIncompatible // To be supported
  public static CacheBuilder<Object, Object> from(CacheBuilderSpec spec) {
    return spec.toCacheBuilder().lenientParsing();
  }

  /**
   * Constructs a new {@code CacheBuilder} instance with the settings specified in {@code spec}.

import org.apache.maven.artifact.repository.layout.DefaultRepositoryLayout;
import org.apache.maven.repository.legacy.repository.ArtifactRepositoryFactory;
import org.apache.maven.settings.Mirror;
import org.codehaus.plexus.testing.PlexusTest;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNull;

  @CheckForNull Strength keyStrength;
  @CheckForNull Strength valueStrength;

  @CheckForNull Equivalence<Object> keyEquivalence;

  /**
   * Constructs a new {@code MapMaker} instance with default settings, including strong keys, strong
   * values, and no automatic eviction of any kind.
   */
  public MapMaker() {}

  /**
   * Sets a custom {@code Equivalence} strategy for comparing keys.
   *

     */
    boolean isMailSendMock();

    /**
     * Get the value for the key 'mail.smtp.server.main.host.and.port'. <br>
     * The value is, e.g. localhost:25 <br>
     * comment: SMTP server settings for main: host:port
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getMailSmtpServerMainHostAndPort();

    /**

  public static final String HOST = "Host";
  /**
   * The HTTP <a href="https://tools.ietf.org/html/rfc7540#section-3.2.1">{@code HTTP2-Settings}
   * </a> header field name.
   *
   * @since 24.0
   */
  public static final String HTTP2_SETTINGS = "HTTP2-Settings";
  /** The HTTP {@code If-Match} header field name. */
  public static final String IF_MATCH = "If-Match";