graphBuilder = GraphBuilder.undirected().allowsSelfLoops(allowsSelfLoops).immutable();
    return graphBuilder.build();
  }

  @Override
  final void addNode(Integer n) {
    graphBuilder.addNode(n);
    graph = graphBuilder.build();
  }

  @Override
  final void putEdge(Integer n1, Integer n2) {
    graphBuilder.putEdge(n1, n2);
    graph = graphBuilder.build();
  }

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotSame;

class ProblemCollectorFactoryTest {

    @Test
    void testNewInstance() {
        ProblemCollector collector1 = ProblemCollectorFactory.newInstance(null);

        Problem problem = new DefaultProblem("MESSAGE1", null, null, -1, -1, null);

    extends AbstractMultimapTester<K, V, ListMultimap<K, V>> {

  @Override
  protected void assertGet(K key, V... values) {
    assertGet(key, asList(values));
  }

  @Override
  protected void assertGet(K key, Collection<? extends V> values) {
    assertEqualInOrder(values, multimap().get(key));

    if (!values.isEmpty()) {

         * @param groups Array of group names.
         */
        public synchronized void setGroups(final String[] groups) {
            this.groups = groups;
        }

        /**
         * Sets the user's role assignments.
         * @param roles Array of role names.
         */
        public synchronized void setRoles(final String[] roles) {
            this.roles = roles;
        }

        /**

     */
    public Smb2LeaseKey getLeaseKey() {
        return leaseKey;
    }

    /**
     * Sets the lease key for this lease request
     * @param leaseKey the lease key to set
     */
    public void setLeaseKey(Smb2LeaseKey leaseKey) {
        this.leaseKey = leaseKey;
    }

    /**
     * Gets the requested lease state flags
     * @return the requested lease state
     */
    public int getLeaseState() {

        server.setHandler(handlers);
    }

    public void start() {
        try {
            server.start();
        } catch (final Exception e) {
            throw new CrawlerSystemException(e);
        }
    }

    public void stop() {
        try {
            server.stop();
            server.join();
        } catch (final Exception e) {

import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;

class DefaultProblemCollectorTest {

    @Test
    void testGetProblems() {
        DefaultProblemCollector collector = new DefaultProblemCollector(null);
        assertNotNull(collector.getProblems());
        assertEquals(0, collector.getProblems().size());

/**
 * Test that validate the solution of MNG-6261 issue
 *
 */
@Deprecated
class FileModelSourceTest {

    /**
     * Test of equals method, of class FileModelSource.
     */
    @Test
    void testEquals() throws Exception {
        File tempFile = createTempFile("pomTest");
        FileModelSource instance = new FileModelSource(tempFile);

    public LifecyclePhase(String goals) {
        set(goals);
    }

    public List<LifecycleMojo> getMojos() {
        return mojos;
    }

    public void setMojos(List<LifecycleMojo> mojos) {
        this.mojos = mojos;
    }

    public void set(String goals) {
        mojos = new ArrayList<>();

        if (goals != null && !goals.isEmpty()) {
            String[] mojoGoals = goals.split(",");

    }

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

    void put(Key key, PluginDescriptor pluginDescriptor);

    PluginDescriptor get(Key key);

    default PluginDescriptor get(Key key, PluginDescriptorSupplier supplier)