public List<Exception> getExceptions() {
                    return result.getExceptions();
                }

                @Override
                public Node getRoot() {
                    return session.getNode(result.getRoot(), request.getVerbose());
                }
            };
        } catch (DependencyCollectionException e) {

                public List<Exception> getExceptions() {
                    return result.getExceptions();
                }

                @Override
                public Node getRoot() {
                    return session.getNode(result.getRoot(), request.getVerbose());
                }
            };
        } catch (DependencyCollectionException e) {

                plugin, parent, null, foreignImports, toAetherArtifacts(pluginArtifacts));

        discoverPluginComponents(pluginRealm, plugin, pluginDescriptor);

        pluginDescriptor.setDependencyNode(result.getRoot());
        pluginDescriptor.setClassRealm(pluginRealm);
        pluginDescriptor.setArtifacts(pluginArtifacts);
    }

    private void discoverPluginComponents(

    List<Exception> getExceptions();

    /**
     * Gets the root node of the dependency graph.
     *
     * @return the root node of the dependency graph or {@code null} if none
     */
    @Nullable
    Node getRoot();

import org.apache.maven.api.annotations.Provider;

/**
 * Represents a dependency node within a Maven project's dependency collector.
 *
 * @since 4.0.0
 * @see org.apache.maven.api.services.DependencyCollectorResult#getRoot()
 */
@Experimental
@Immutable
@Provider
public interface Node {

    /**
     * @return artifact for this node
     */
    @Nullable
    Artifact getArtifact();

    /**

                                    return r.getCollectionErrors();
                                }

                                @Override
                                public Node getRoot() {
                                    return session.getNode(r.getDependencyGraph());
                                }
                            });
                }
            };

    @Nonnull
    Session getSession();

    Optional<Project> getProject();

    @Nonnull
    Optional<Artifact> getRootArtifact();

    @Nonnull
    Optional<DependencyCoordinate> getRoot();

    @Nonnull
    Collection<DependencyCoordinate> getDependencies();

    @Nonnull
    Collection<DependencyCoordinate> getManagedDependencies();

    boolean getVerbose();

    @Nonnull

            RepositorySystemSession session)
            throws PluginResolutionException {
        return resolveInternal(plugin, pluginArtifact, dependencyFilter, repositories, session)
                .getRoot();
    }

    private DependencyResult resolveInternal(
            Plugin plugin,
            Artifact pluginArtifact,
            DependencyFilter dependencyFilter,

     */
    @Nonnull
    @Override
    public Node collectDependencies(@Nonnull Artifact artifact) {
        return getService(DependencyCollector.class).collect(this, artifact).getRoot();
    }

    /**
     * Shortcut for <code>getService(DependencyCollector.class).collect(...)</code>
     *
     * @throws DependencyCollectorException if the dependency collection failed

            }
        }
        return null;
    }

    @Override
    public List<Exception> getExceptions() {
        return exceptions;
    }

    @Override
    public Node getRoot() {
        return root;
    }

    @Override
    public List<Node> getNodes() {
        return nodes;
    }

    @Override
    public List<Path> getPaths() {
        return paths;