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

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

                        Build.newBuilder(build).plugins(normalized.values()).build());
            }
        }

        /*
         * NOTE: This is primarily to keep backward-compat with Maven 2.x which did not validate that dependencies are
         * unique within a single POM. Upon multiple declarations, 2.x just kept the last one but retained the order of

import org.apache.maven.plugin.descriptor.MojoDescriptor;
import org.apache.maven.plugin.descriptor.Parameter;
import org.codehaus.plexus.component.configurator.ConfigurationListener;

/**
 * A configuration listener to help validate the plugin configuration. For instance, check for required but missing
 * parameters.
 *
 */
class ValidatingConfigurationListener implements ConfigurationListener {
    private final Object mojo;

        return false;
    }

    @Override
    public final void validate(
            MavenSession mavenSession,
            MojoDescriptor mojoDescriptor,
            Class<?> mojoClass,
            PlexusConfiguration pomConfiguration,
            ExpressionEvaluator expressionEvaluator) {
        doValidate(mavenSession, mojoDescriptor, mojoClass, pomConfiguration, expressionEvaluator);
    }

        MavenExecutionPlan plan = LifecycleExecutionPlanCalculatorStub.getProjectAExecutionPlan();

        ExecutionPlanItem beerPhase = plan.findLastInPhase(
                LifecycleExecutionPlanCalculatorStub.VALIDATE.getPhase()); // Beer comes straight after package in stub
        assertNull(beerPhase);
    }

    @Test
    void testFindLastInPhaseMisc() throws Exception {

        context.setValue(expression, value);
    }

    /*
    public int containerCountForUri( String uri )
        throws IOException
    {
        Validate.notEmpty( uri, "uri can neither be null nor empty " );
        ModelDataSource source = new DefaultModelDataSource();
        source.init( domainModel.getModelProperties(), null );
        return source.queryFor( uri ).size();

/**
 * Service responsible for validating plugin dependencies.
 *
 * @since 3.9.3
 */
interface MavenPluginDependenciesValidator {
    /**
     * Checks mojo dependency issues.
     */
    void validate(
            RepositorySystemSession session,
            Artifact pluginArtifact,
            ArtifactDescriptorResult artifactDescriptorResult);

/**
 * Service responsible for validating plugin configuration.
 *
 */
public interface MavenPluginConfigurationValidator {
    /**
     * Checks mojo configuration issues.
     */
    void validate(
            MavenSession mavenSession,
            MojoDescriptor mojoDescriptor,
            Class<?> mojoClass,
            PlexusConfiguration pomConfiguration,
            ExpressionEvaluator expressionEvaluator);

        // phase 1
        DefaultModelBuilderResult result = new DefaultModelBuilderResult();

        DefaultModelProblemCollector problems = new DefaultModelProblemCollector(result);

        // read and validate raw model
        Model fileModel = readFileModel(request, problems);
        result.setFileModel(fileModel);

        Model activatedFileModel = activateFileModel(fileModel, request, result, problems);

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

/**
 * <a href="/ref/3.0.4/maven-core/lifecycles.html">Lifecycle phases</a>.
 *
 * @since 4.0.0
 */
@Experimental
public enum LifecyclePhase {
    VALIDATE("validate"),
    INITIALIZE("initialize"),
    GENERATE_SOURCES("generate-sources"),
    PROCESS_SOURCES("process-sources"),
    GENERATE_RESOURCES("generate-resources"),
    PROCESS_RESOURCES("process-resources"),