if (logger.isDebugEnabled()) {
            writePlan(logger::debug, plan, project);
        }
    }

    public void writePlan(Consumer<String> writer, BuildPlan plan) {
        plan.projects().forEach(project -> writePlan(writer, plan, project));
    }

    public void writePlan(Consumer<String> writer, BuildPlan plan, MavenProject project) {
        writer.accept("=== PROJECT BUILD PLAN ================================================");

      Stream<A> streamA, Stream<B> streamB, BiConsumer<? super A, ? super B> consumer) {
    checkNotNull(consumer);

    if (streamA.isParallel() || streamB.isParallel()) {
      zip(streamA, streamB, TemporaryPair::new).forEach(pair -> consumer.accept(pair.a, pair.b));
    } else {
      Iterator<A> iterA = streamA.iterator();
      Iterator<B> iterB = streamB.iterator();

        DeployRequest result = transformer.remapDeployArtifacts(session, request);

        // Should have both consumer POM (no classifier) and build POM (with "build" classifier)
        Collection<Artifact> artifacts = result.getArtifacts();
        assertEquals(3, artifacts.size()); // original jar + consumer pom + build pom

 * under the License.
 */
package org.apache.maven.api.services;

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

/**
 * @since 4.0.0
 */
@Experimental
@Consumer
public class VersionRangeResolverException extends MavenException {

    public VersionRangeResolverException(String message, Throwable cause) {

 * under the License.
 */
package org.apache.maven.api.services;

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

/**
 * @since 4.0.0
 */
@Experimental
@Consumer
public class VersionResolverException extends MavenException {

    public VersionResolverException(String message, Throwable cause) {

        return returnFirstPresentOrEmpty(Options::help);
    }

    @Override
    public void warnAboutDeprecatedOptions(ParserRequest request, Consumer<String> printWriter) {}

    @Override
    public void displayHelp(ParserRequest request, Consumer<String> printWriter) {
        options.get(0).displayHelp(request, printWriter);
    }

 * under the License.
 */
package org.apache.maven.api.services;

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

/**
 * @since 4.0.0
 */
@Experimental
@Consumer
public class TransportProviderException extends MavenException {

    public TransportProviderException(String message, Throwable cause) {

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

/**
 * A listener for session events.
 * TODO: open this to other events like similar to {@code org.apache.maven.eventspy.EventSpy}
 *
 * @since 4.0.0
 */
@Experimental
@FunctionalInterface
@Consumer
public interface Listener {

                response.getReport().entrySet()) {
            Consumer<String> consumer = s ->
                    context.logger.info(messageBuilderFactory.builder().info(s).build());
            if (entry.getKey() == SecDispatcher.ValidationResponse.Level.ERROR) {
                consumer = s -> context.logger.error(
                        messageBuilderFactory.builder().error(s).build());

import org.apache.maven.api.annotations.Consumer;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.di.Named;

/**
 * Component able to contribute to Maven session user properties. This SPI component is invoked
 * very early, while there is no session created yet.
 *
 * @since 4.0.0
 */
@Experimental
@Consumer
@Named
public interface PropertyContributor extends SpiService {