import org.apache.maven.api.annotations.Experimental;

/**
 *
 *
 * @since 4.0.0
 */
@Experimental
public class ArtifactResolverException extends MavenException {

    @Serial
    private static final long serialVersionUID = 7252294837746943917L;

    /**
     * @param message the message for the exception
     * @param e the exception itself
     */
    public ArtifactResolverException(String message, Exception e) {

import org.apache.maven.api.cli.extensions.CoreExtension;

/**
 * Exception occurring trying to resolve a plugin.
 *
 */
public class ExtensionResolutionException extends Exception {

    private final CoreExtension extension;

    public ExtensionResolutionException(CoreExtension extension, Throwable cause) {
        super(
                "Extension " + extension.getId() + " or one of its dependencies could not be resolved: "

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Abstract implementation.
 *
 * @since 3.1.0
 */
public class BaseSlf4jConfiguration implements Slf4jConfiguration {
    private static final Logger LOGGER = LoggerFactory.getLogger(BaseSlf4jConfiguration.class);

    public void setRootLoggerLevel(Level level) {
        LOGGER.warn("setRootLoggerLevel: operation not supported");
    }

import me.champeau.gradle.japicmp.report.ViolationCheckContext;

import java.util.HashSet;
import java.util.Map;
import java.util.Set;

public class AcceptedRegressionsRuleSetup implements SetupRule {

    private final Set<ApiChange> acceptedApiChanges;

    public AcceptedRegressionsRuleSetup(Map<String, String> acceptedApiChanges) {
        this.acceptedApiChanges = AcceptedApiChanges.fromAcceptedChangesMap(acceptedApiChanges).keySet();
    }

public class NewIncubatingAPIRule extends AbstractGradleViolationRule {

    public NewIncubatingAPIRule(Map<String, Object> params) {
        super(params);
    }

    @Override
    public Violation maybeViolation(final JApiCompatibility member) {
        if (member instanceof JApiMethod || member instanceof JApiField || member instanceof JApiClass) {
            if (!isIncubating((JApiHasAnnotations) member)) {
                return null;

    IllegalStateException expected =
        assertThrows(IllegalStateException.class, () -> checkState(false, FORMAT, 5));
    verifyComplexMessage(expected);
  }

  private static final String NON_NULL_STRING = "foo";

  public void testCheckNotNull_simple_success() {
    String result = checkNotNull(NON_NULL_STRING);
    assertSame(NON_NULL_STRING, result);
  }

/**
 * An unhashable object to be used in testing as values in our collections.
 *
 * @author Regina O'Dell
 */
@GwtCompatible
public class UnhashableObject implements Comparable<UnhashableObject> {
  private final int value;

  public UnhashableObject(int value) {
    this.value = value;
  }

  @Override
  public boolean equals(@Nullable Object object) {
    if (object instanceof UnhashableObject) {

 */
@SuppressWarnings("rawtypes") // maybe avoidable if we rework the whole package?
@GwtCompatible
public enum SetFeature implements Feature<Set> {
  GENERAL_PURPOSE(CollectionFeature.GENERAL_PURPOSE);

  private final Set<Feature<? super Set>> implied;

  SetFeature(Feature<? super Set>... implied) {
    this.implied = copyToSet(implied);
  }

  @Override
  public Set<Feature<? super Set>> getImpliedFeatures() {

    setDefault(SubscriberExceptionContext.class, dummySubscriber.toContext());
    setDefault(Dispatcher.class, Dispatcher.immediate());
  }

  private static class DummySubscriber {

    private final EventBus eventBus = new EventBus();

    @Subscribe
    public void handle(@Nullable Object unused) {}

    Subscriber toSubscriber() throws Exception {
      return Subscriber.create(eventBus, this, subscriberMethod());

    }

    @Override
    protected <RESULT extends BoostDocumentRule> RESULT createEntity(Map<String, Object> source, Class<? extends RESULT> entityType) {
        try {
            final RESULT result = entityType.newInstance();
            result.setBoostExpr(DfTypeUtil.toString(source.get("boostExpr")));
            result.setCreatedBy(DfTypeUtil.toString(source.get("createdBy")));