* </p>
     */
    @Test
    void testJdk7ipv6() {
        ConnectException connEx = new ConnectException("Connection refused: connect");
        IOException ioEx = new IOException("Unable to establish loopback connection", connEx);
        MojoExecutionException mojoEx =
                new MojoExecutionException("Error executing Jetty: Unable to establish loopback connection", ioEx);

     * @throws IllegalArgumentException if an argument is null or invalid
     *
     * @see DependencyCollector#collect(Session, Project)
     * @see DependencyCollector#collect(Session, DependencyCoordinate)
     * @see DependencyCollector#collect(Session, Artifact)
     */
    @Nonnull
    DependencyCollectorResult collect(@Nonnull DependencyCollectorRequest request);

    /**

                        // ignore
                        e.printStackTrace();
                    }
                    List<Supplier<Object>> list =
                            res3.stream().map(this::compile).collect(Collectors.toList());
                    //noinspection unchecked
                    return () -> (Q) list(list);
                }
                if (key.getRawType() == Map.class) {

import static org.apache.maven.internal.impl.Utils.nonNull;

@Named
@Singleton
public class DefaultDependencyCollector implements DependencyCollector {

    @Nonnull
    @Override
    public DependencyCollectorResult collect(@Nonnull DependencyCollectorRequest request)
            throws DependencyCollectorException, IllegalArgumentException {
        nonNull(request, "request");

import static org.apache.maven.internal.impl.Utils.nonNull;

@Named
@Singleton
public class DefaultDependencyCollector implements DependencyCollector {

    @Nonnull
    @Override
    public DependencyCollectorResult collect(@Nonnull DependencyCollectorRequest request)
            throws DependencyCollectorException, IllegalArgumentException {
        nonNull(request, "request");

                .peek(l -> Objects.requireNonNull(l.getId(), "A lifecycle must have an id."))
                .sorted(Comparator.comparing(Lifecycle::getId, comparator))
                .collect(Collectors.toList());
    }

    private Map<String, Lifecycle> lookupLifecycles() {
        // TODO: Remove the following code when maven-compat is gone

            values = Stream.<T>concat(
                            Stream.of(builtinValues), providers.stream().flatMap(p -> p.provides().stream()))
                    .collect(Collectors.toMap(t -> t.id(), t -> t));
        }

        @Override
        public Optional<T> lookup(String id) {
            return Optional.ofNullable(values.get(id));
        }
    }

                        .filter(Objects::nonNull)
                        .map(Node::getDependency)
                        .filter(Objects::nonNull)
                        .collect(Collectors.toMap(d -> d.getGroupId() + ":" + d.getArtifactId(), d -> d)));
            }
        };
    }

    @Override
    public PluginExecution getModel() {

    private List<MavenProject> getSortedProjects(Set<String> projectIds) {
        return projectIds.stream()
                .map(projects::get)
                .sorted(Comparator.comparingInt(order::get))
                .collect(Collectors.toList());
    }

    @Override
    public String toString() {
        return sorter.getSortedProjects().toString();
    }

                return result;
            }
        }
        return null;
    }

    private boolean isProjectContext(String context) {
        return context != null && context.startsWith("project");
    }

    private static boolean isAny(String str) {
        return "*".equals(str);
    }

    private static boolean matches(String pattern, String str) {