*
     * @param validationLevel The level of validation to perform on processed models, e.g.
     *            {@link org.apache.maven.model.building.ModelBuildingRequest#VALIDATION_LEVEL_STRICT}.
     * @return This configuration, never {@code null}.
     */
    ProjectBuildingRequest setValidationLevel(int validationLevel);

    /**

    }

    private static class StubLifecycleBindingsInjector implements LifecycleBindingsInjector {

        @Override
        public void injectLifecycleBindings(
                Model model, ModelBuildingRequest request, ModelProblemCollector problems) {}
    }

import org.apache.maven.model.RepositoryPolicy;
import org.apache.maven.model.Resource;
import org.apache.maven.model.Scm;
import org.apache.maven.model.Site;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.model.building.ModelProblem.Severity;
import org.apache.maven.model.building.ModelProblem.Version;
import org.apache.maven.model.building.ModelProblemCollector;

        config.setUserProperties(userProperties);
        config.setValidationLevel(
                lenientValidation
                        ? ModelBuildingRequest.VALIDATION_LEVEL_MAVEN_2_0
                        : ModelBuildingRequest.VALIDATION_LEVEL_STRICT);

        DefaultRepositorySystemSession repoSession = MavenTestHelper.createSession(repositorySystem, container);
        LocalRepository localRepo =