throw e;
        }
    }

    public void put(Key cacheKey, PluginDescriptor pluginDescriptor) {
        descriptors.put(cacheKey, clone(pluginDescriptor));
    }

    protected static PluginDescriptor clone(PluginDescriptor original) {
        return new PluginDescriptor(original);
    }

    private static final class CacheKey implements Key {

import java.util.function.Consumer;

import org.apache.maven.plugin.descriptor.PluginDescriptor;

/**
 * Service responsible for checking if plugin's prerequisites are met.
 */
@FunctionalInterface
public interface MavenPluginPrerequisitesChecker extends Consumer<PluginDescriptor> {
    /**
     *
     * @param pluginDescriptor
     * @throws IllegalStateException in case the checked prerequisites are not met
     */

/**
 */
public class PluginConfigurationException extends Exception {
    private PluginDescriptor pluginDescriptor;

    private String originalMessage;

    public PluginConfigurationException(PluginDescriptor pluginDescriptor, String originalMessage) {
        super(originalMessage);
        this.pluginDescriptor = pluginDescriptor;
        this.originalMessage = originalMessage;
    }

        MojoDescriptor mojoDescriptor = new MojoDescriptor();
        mojoDescriptor.setGoal("goal");
        PluginDescriptor pluginDescriptor = new PluginDescriptor();
        pluginDescriptor.setGoalPrefix("goalPrefix");
        pluginDescriptor.setArtifactId("artifactId");
        mojoDescriptor.setPluginDescriptor(pluginDescriptor);

        Parameter parameter = new Parameter();
        parameter.setType("java.lang.String[]");

        Plugin plugin = new Plugin();
        Exception cause = new PluginContainerException(plugin, null, null, cause2);
        PluginDescriptor pluginDescriptor = new PluginDescriptor();
        MojoDescriptor mojoDescriptor = new MojoDescriptor();
        mojoDescriptor.setPluginDescriptor(pluginDescriptor);
        MojoExecution mojoExecution = new MojoExecution(mojoDescriptor);

import org.apache.maven.plugin.descriptor.PluginDescriptor;

/**
 * DefaultMavenPluginValidator
 */
@Named
@Singleton
class DefaultMavenPluginValidator implements MavenPluginValidator {

    @Override
    public void validate(Artifact pluginArtifact, PluginDescriptor pluginDescriptor, List<String> errors) {
        if (!pluginArtifact.getGroupId().equals(pluginDescriptor.getGroupId())) {

     * Verifies the specified plugin is compatible with the current Maven runtime.
     *
     * @param pluginDescriptor The descriptor of the plugin to check, must not be {@code null}.
     * @deprecated Use {@link #checkPrerequisites(PluginDescriptor)} instead.
     */
    @Deprecated
    void checkRequiredMavenVersion(PluginDescriptor pluginDescriptor) throws PluginIncompatibleException;

    /**

                "maven-it-plugin",
                "0.1",
                "compile",
                "jar",
                null,
                new DefaultArtifactHandler("ignore"));
        PluginDescriptor descriptor = new PluginDescriptor();
        descriptor.setGroupId("org.apache.maven.its.plugins");
        descriptor.setArtifactId("maven-it-plugin");
        descriptor.setVersion("0.1");
        List<String> errors = new ArrayList<>();

    interface PluginDescriptorSupplier {
        PluginDescriptor load()
                throws PluginResolutionException, PluginDescriptorParsingException, InvalidPluginDescriptorException;
    }

    Key createKey(Plugin plugin, List<RemoteRepository> repositories, RepositorySystemSession session);

    void put(Key key, PluginDescriptor pluginDescriptor);

    PluginDescriptor get(Key key);

                    InvalidDependencyVersionException, PluginManagerException, PluginConfigurationException;

    PluginDescriptor getPluginDescriptorForPrefix(String prefix);

    Plugin getPluginDefinitionForPrefix(String prefix, MavenSession session, MavenProject project);

    PluginDescriptor verifyPlugin(
            Plugin plugin, MavenProject project, Settings settings, ArtifactRepository localRepository)