@GwtCompatible
final class NullsFirstOrdering<T extends @Nullable Object> extends Ordering<@Nullable T>
    implements Serializable {
  final Ordering<? super T> ordering;

  NullsFirstOrdering(Ordering<? super T> ordering) {
    this.ordering = ordering;
  }

  @Override
  public int compare(@Nullable T left, @Nullable T right) {
    if (left == right) {
      return 0;
    }

@GwtCompatible
final class NullsLastOrdering<T extends @Nullable Object> extends Ordering<@Nullable T>
    implements Serializable {
  final Ordering<? super T> ordering;

  NullsLastOrdering(Ordering<? super T> ordering) {
    this.ordering = ordering;
  }

  @Override
  public int compare(@Nullable T left, @Nullable T right) {
    if (left == right) {
      return 0;
    }

@GwtCompatible
final class NullsLastOrdering<T extends @Nullable Object> extends Ordering<@Nullable T>
    implements Serializable {
  final Ordering<? super T> ordering;

  NullsLastOrdering(Ordering<? super T> ordering) {
    this.ordering = ordering;
  }

  @Override
  public int compare(@Nullable T left, @Nullable T right) {
    if (left == right) {
      return 0;
    }

     */
    public PluginException(final String message, final Throwable cause) {
        super(message, cause);
    }

    /**
     * Creates a plugin exception with message.
     *
     * @param message the error message
     */
    public PluginException(final String message) {
        super(message);
    }

    private static final long serialVersionUID = -90820222109103638L;

    public ProfileActivationException(String message, Throwable cause) {
        super(message, cause);
    }

    public ProfileActivationException(String message) {
        super(message);
    }

 */
@Deprecated
public class RepositoryMetadataResolutionException extends Exception {
    public RepositoryMetadataResolutionException(String message) {
        super(message);
    }

    public RepositoryMetadataResolutionException(String message, Exception e) {
        super(message, e);
    }

/**
 * A special throwable used to signal a graceful abort of the build.
 */
public class BuildAbort extends Error {

    public BuildAbort(String message) {
        super(message);
    }

    public BuildAbort(String message, Throwable cause) {
        super(message, cause);
    }

     */
    public ParseRuntimeException(final ParseException cause) {
        super("ECL0050", asArray(cause), cause);
    }

    /**
     * Creates a {@link ParseRuntimeException}.
     *
     * @param s the string that could not be parsed
     */
    public ParseRuntimeException(final String s) {
        super("ECL0051", asArray(s));
    }

    public WagonConfigurationException(String repositoryId, String message, Throwable cause) {
        super(repositoryId, message, cause);
    }

    public WagonConfigurationException(String repositoryId, String message) {
        super(repositoryId, message);
    }

public class LocalRepositoryNotAccessibleException extends IOException {

    public LocalRepositoryNotAccessibleException(String message, Throwable cause) {
        super(message);
        initCause(cause);
    }

    public LocalRepositoryNotAccessibleException(String message) {
        super(message);
    }