*
     * @param modelCache The model cache to use, may be {@code null}.
     * @return This request, never {@code null}.
     */
    ModelBuildingRequest setModelCache(ModelCache modelCache);

    WorkspaceModelResolver getWorkspaceModelResolver();

    ModelBuildingRequest setWorkspaceModelResolver(WorkspaceModelResolver workspaceResolver);

    }

    private SimpleProblemCollector validateRaw(String pom, UnaryOperator<ModelBuildingRequest> requestConfigurer)
            throws Exception {
        Model model = read(pom);

        SimpleProblemCollector problems = new SimpleProblemCollector(model);

        ModelBuildingRequest request = requestConfigurer.apply(new DefaultModelBuildingRequest());

              <!--              <exclude>org.apache.maven.model.composition.DefaultDependencyManagementImporter#importManagement(org.apache.maven.model.Model,java.util.List,org.apache.maven.model.building.ModelBuildingRequest,org.apache.maven.model.building.ModelProblemCollector):METHOD_REMOVED</exclude>-->...

import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.Dependency;
import org.apache.maven.model.InputLocation;
import org.apache.maven.model.Plugin;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.model.building.ModelProblem;
import org.codehaus.plexus.util.FileUtils;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.io.TempDir;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.Repository;
import org.apache.maven.model.building.ModelBuildingException;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.model.building.ModelSource;
import org.apache.maven.model.building.UrlModelSource;
import org.apache.maven.plugin.LegacySupport;
import org.apache.maven.profiles.ProfileManager;

import org.apache.maven.model.Plugin;
import org.apache.maven.model.PluginContainer;
import org.apache.maven.model.ReportPlugin;
import org.apache.maven.model.Reporting;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.model.building.ModelProblemCollector;
import org.apache.maven.model.merge.MavenModelMerger;
import org.codehaus.plexus.util.StringUtils;

/**
 * Handles inheritance of model values.
 *

    @Override
    public Model interpolateModel(
            Model model, File projectDir, ModelBuildingRequest config, ModelProblemCollector problems) {
        interpolateObject(model, model, projectDir, config, problems);
        return model;
    }

    void interpolateObject(
            Object obj, Model model, File projectDir, ModelBuildingRequest config, ModelProblemCollector problems) {

        assertEquals(numWarnings, collector.getWarnings().size(), "Warnings");
        assertEquals(numFatals, collector.getFatals().size(), "Fatals");
    }

    private ModelBuildingRequest createModelBuildingRequest(Properties p) {
        ModelBuildingRequest config = new DefaultModelBuildingRequest();
        if (p != null) {
            config.setSystemProperties(p);
        }
        return config;
    }

    @Test

import java.util.List;
import java.util.Objects;
import java.util.Properties;

import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.model.Profile;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.properties.internal.SystemProperties;
import org.eclipse.aether.RepositorySystemSession;

/**
 * DefaultProjectBuildingRequest
 *

                if (model != null) {
                    return model;
                }
            }

            try {
                ModelBuildingRequest modelRequest = new DefaultModelBuildingRequest();
                modelRequest.setValidationLevel(ModelBuildingRequest.VALIDATION_LEVEL_MINIMAL);
                modelRequest.setProcessPlugins(false);
                modelRequest.setTwoPhaseBuilding(false);