}

                ids.add(0, artifact);
                node = node.parent;
            }
            trail = ids;
        }
        return trail;
    }

    public boolean isResolved() {
        return children != null;
    }

    /**
     * Test whether the node is direct or transitive dependency.
     *
     * @return whether the node is direct or transitive dependency
     */

                artifact.isOptional());
        clone.setRelease(artifact.isRelease());
        clone.setResolvedVersion(artifact.getVersion());
        clone.setResolved(artifact.isResolved());
        clone.setFile(artifact.getFile());

        clone.setAvailableVersions(copyList(artifact.getAvailableVersions()));
        if (artifact.getVersion() != null) {

                            e.getResult().getCollectExceptions().stream(),
                            e.getResult().getArtifactResults().stream()
                                    .filter(r -> !r.isResolved())
                                    .flatMap(r -> r.getExceptions().stream()))
                    .collect(Collectors.toList());
            throw new PluginResolutionException(plugin, exceptions, e);

    }

    @Override
    public void setResolved(boolean resolved) {
        this.resolved = resolved;
    }

    @Override
    public boolean isResolved() {
        return resolved;
    }

    @Override
    public void setResolvedVersion(String version) {
        this.version = version;
        // retain baseVersion
    }

    @Override

                    new org.apache.maven.model.Plugin(plugin), dependencyFilter, repositories, repoSession);
            return result.getArtifactResults().stream()
                    .filter(ArtifactResult::isResolved)
                    .map(ArtifactResult::getArtifact)
                    .collect(Collectors.toList());
        } catch (PluginResolutionException | InterpolatorException e) {

        for (ArtifactResult ar : results) {
            DependencyNode node = ar.getRequest().getDependencyNode();
            if (ar.isResolved()) {
                result.addResolvedDependency(node.getDependency());
            } else {
                result.setResolutionErrors(node.getDependency(), ar.getExceptions());
            }
        }
    }

                    new org.apache.maven.model.Plugin(plugin), dependencyFilter, repositories, repoSession);
            return result.getArtifactResults().stream()
                    .filter(ArtifactResult::isResolved)
                    .map(ArtifactResult::getArtifact)
                    .collect(Collectors.toList());
        } catch (PluginResolutionException | InterpolatorException e) {

                        artifact.getId(), "Error resolving project artifact: " + e.getMessage(), e);
            }

            Path pomFile = pomArtifact.getPath();

            if (!artifact.isResolved() && "pom".equals(artifact.getType())) {
                artifact.selectVersion(pomArtifact.getVersion());
                artifact.setFile(pomFile.toFile());
                artifact.setResolved(true);
            }

            }

            artifact.setResolved(true);

            return;
        }

        if (!artifact.isResolved()) {
            ArtifactResult result;

            try {
                ArtifactRequest artifactRequest = new ArtifactRequest();
                artifactRequest.setArtifact(RepositoryUtils.toArtifact(artifact));

        for (ArtifactRepository repository : remoteRepositories) {
            try {
                getArtifact(artifact, repository, downloadMonitor, force);

                if (artifact.isResolved()) {
                    artifact.setRepository(repository);
                    break;
                }
            } catch (ResourceDoesNotExistException e) {