/**
     * Creates an empty request.
     */
    public DefaultModelBuildingRequest() {}

    /**
     * Creates a shallow copy of the specified request.
     *
     * @param request The request to copy, must not be {@code null}.
     */
    public DefaultModelBuildingRequest(ModelBuildingRequest request) {
        setPomFile(request.getPomFile());

    }

    @Test
    void testCompleteWiring() throws Exception {
        ModelBuilder builder = new DefaultModelBuilderFactory().newInstance();
        assertNotNull(builder);

        DefaultModelBuildingRequest request = new DefaultModelBuildingRequest();
        request.setProcessPlugins(true);
        request.setPomFile(getPom("simple"));

        ModelBuildingResult result = builder.build(request);
        assertNotNull(result);

package org.apache.maven.project.validation;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import org.apache.maven.model.Model;
import org.apache.maven.model.building.DefaultModelBuildingRequest;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.model.building.ModelProblem;
import org.apache.maven.model.building.ModelProblemCollector;

        sysProperties.setProperty("myproperty", "test");

        ModelBuilder builder = new DefaultModelBuilderFactory().newInstance();
        assertNotNull(builder);

        DefaultModelBuildingRequest request = new DefaultModelBuildingRequest();
        request.setProcessPlugins(true);
        request.setPomFile(getPom("complex"));
        request.setSystemProperties(sysProperties);

    @Test
    public void testCycleInImports() throws Exception {
        ModelBuilder builder = new DefaultModelBuilderFactory().newInstance();
        assertNotNull(builder);

        DefaultModelBuildingRequest request = new DefaultModelBuildingRequest();
        request.setModelSource(new StringModelSource(BASE1));
        request.setModelResolver(new CycleInImportsResolver());