null,
                            "must be unique but found duplicate proxy with id " + proxy.getId());
                }
                validateStringNotEmpty(problems, "proxies.proxy.host", proxy.getHost(), proxy.getId());

                try {
                    Integer.parseInt(proxy.getPortString());
                } catch (NumberFormatException e) {
                    addViolation(

    @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;

        DependencyCollectorResult collectorResult =
                session.getService(DependencyCollector.class).collect(request);
        List<Node> nodes = flatten(session, collectorResult.getRoot(), request.getPathScope());
        List<ArtifactCoordinate> coordinates = nodes.stream()
                .map(Node::getDependency)
                .filter(Objects::nonNull)
                .map(Artifact::toCoordinate)

            collect.setTrace(RequestTrace.newChild(trace, depRequest));
            node = repoSystem.collectDependencies(session, collect).getRoot();
            result.setDependencyGraph(node);
        } catch (DependencyCollectionException e) {
            result.setDependencyGraph(e.getResult().getRoot());
            result.setCollectionErrors(e.getResult().getExceptions());

            throw new DependencyResolutionException(

     */
    @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;

createTemporaryFolde(java.io.File) throws ClassNotFoundExcepti, NoSuchMethodExceptio, reflect.InvocationTargetExce, IllegalAccessExcepti; private static java.io.File createTemporaryFolde(java.io.File) throws java.io.IOException; public java.io.File getRoot(); public void delete(); private boolean tryDelete(); private boolean recursiveDelete(java.io.File); } org/junit/rules/TemporaryFolder$Builder.class package org.junit.rules; public synchronized class TemporaryFolder$Builder { private java.io.File...