import org.apache.maven.api.services.ModelProblem.Version;
import org.apache.maven.api.services.ModelProblemCollector;
import org.apache.maven.api.services.model.*;

/**
 * Handles the import of dependency management from other models into the target model.
 *
 */
@Named
@Singleton
public class DefaultDependencyManagementImporter implements DependencyManagementImporter {

    @Override

import org.apache.maven.model.building.ModelProblem;
import org.apache.maven.model.building.ModelProblemCollector;
import org.apache.maven.model.building.ModelProblemCollectorRequest;

/**
 * Handles the import of dependency management from other models into the target model.
 *
 */
@Named
@Singleton
public class DefaultDependencyManagementImporter implements DependencyManagementImporter {

    @Override

        MojoExecution mojoExecution = new MojoExecution(mojoDescriptor);
        Throwable exception = new PluginExecutionException(mojoExecution, null, cause);

        DefaultExceptionHandler handler = new DefaultExceptionHandler();
        ExceptionSummary summary = handler.handleException(exception);

        String expectedReference = "http://cwiki.apache.org/confluence/display/MAVEN/AetherClassNotFound";

 */
@Named
@Singleton
public class DefaultExceptionHandler implements ExceptionHandler {
    @Override
    public ExceptionSummary handleException(Throwable exception) {
        return handle("", exception);
    }

    private ExceptionSummary handle(String message, Throwable exception) {
        String reference = getReference(Collections.newSetFromMap(new IdentityHashMap<>()), exception);

        List<ExceptionSummary> children = null;

 * A {@code PathType} can identify the class-path, the module-path, the patches for a specific module,
 * or another kind of path.
 *
 * <p>One path type is handled in a special way: unlike other options,
 * the paths specified in a {@code --patch-module} Java option is effective only for a specified module.

        }

        try {
            // TODO could the configuration be passed to lookup and the configurator known to plexus via the descriptor
            // so that this method could entirely be handled by a plexus lookup?
            configurator = container.lookup(ComponentConfigurator.class, configuratorId);

            ConfigurationListener listener = new DebugConfigurationListener(logger);

            String sourceHint,
            InputLocationTracker tracker,
            ModelBuilderRequest request) {
        if (string == null) {
            // NOTE: The check for missing plugin versions is handled directly by the model builder
            return true;
        }

        Severity errOn30 = getSeverity(request, ModelBuilderRequest.VALIDATION_LEVEL_MAVEN_3_0);

        return type;
    }

    /**
     * Selects the type of path where to place the given dependency.
     * This method returns one of the values specified in the given collection.
     * This method does not handle the patch-module paths, because the patches
     * depend on which modules have been previously added on the module-paths.
     *
     * <p>If the dependency can be a constituent of both the class-path and the module-path,

                new TransferResource(null, null, "http://maven.org/test/test-resource", new File("file"), null);
        DefaultRepositorySystemSession session = new DefaultRepositorySystemSession(h -> false); // no close handle

        // for technical reasons we cannot throw here, even if delegate does cancel transfer
        listener.transferInitiated(event(session, resource, TransferEvent.EventType.INITIATED));

     * In the case of Java tools, the map may also contain {@code --patch-module} options, which are
     * {@linkplain org.apache.maven.api.JavaPathType#patchModule(String) handled in a special way}.
     *
     * <h4>Design note</h4>
     * All types of path are determined together because they are sometime mutually exclusive.