String key = artifact.getDependencyConflictId();
                Dependency dependency = dependencies.get(key);
                Collection<Exclusion> exclusions = dependency != null ? dependency.getExclusions() : null;
                org.eclipse.aether.graph.Dependency dep = RepositoryUtils.toDependency(artifact, exclusions);
                if (!DependencyScope.SYSTEM.is(dep.getScope())

        ArtifactFilter effectiveFilter = inheritedFilter;

        if (!dependency.getExclusions().isEmpty()) {
            effectiveFilter = new ExclusionArtifactFilter(dependency.getExclusions());

            if (inheritedFilter != null) {
                effectiveFilter = new AndArtifactFilter(Arrays.asList(inheritedFilter, effectiveFilter));
            }

            artifact.setFile(new File(d.getSystemPath()));
        }

        if (!d.getExclusions().isEmpty()) {
            List<String> exclusions = new ArrayList<>();

            for (Exclusion exclusion : d.getExclusions()) {
                exclusions.add(exclusion.getGroupId() + ':' + exclusion.getArtifactId());
            }

            artifact.setFile(new File(d.getSystemPath()));
        }

        if (!d.getExclusions().isEmpty()) {
            artifact.setDependencyFilter(new ExclusionArtifactFilter(d.getExclusions()));
        }

        return artifact;
    }

    // DefaultProjectBuilder

        }
    }

    private boolean isVirtualDependency() {
        return selector.getDependencyMetadata() instanceof LenientPlatformDependencyMetadata;
    }

    @Override
    public ExcludeSpec getExclusions() {
        if (cachedExclusions == null) {
            computeExclusions();
        }
        return cachedExclusions;
    }

    private void computeExclusions() {

                dependency.getClassifier(),
                null,
                dependency.getVersion(),
                props,
                stereotype);

        List<Exclusion> exclusions = dependency.getExclusions().stream()
                .map(RepositoryUtils::toExclusion)
                .collect(Collectors.toList());

        return new Dependency(
                artifact,
                dependency.getScope(),

            if (dependencyEdge.isTransitive()) {
                if (edgeExclusions != nothing) {
                    // Transitive dependency
                    ExcludeSpec exclusions = dependencyEdge.getExclusions();
                    if (edgeExclusions == null || exclusions == nothing) {
                        edgeExclusions = exclusions;
                    } else if (edgeExclusions != exclusions) {

        String classifier = mavenDependency.getClassifier();
        List<String> exclusions = mavenDependency.getExclusions().stream().map(Exclusion::getArtifactId).collect(Collectors.toList());

        // [MNG-5600] Dependency management import should support exclusions.
        List<Exclusion> exclusions = dependency.getDelegate().getExclusions();
        if (importMgmt != null && !exclusions.isEmpty()) {
            // Dependency excluded from import.
            List<org.apache.maven.api.model.Dependency> dependencies = importMgmt.getDependencies().stream()

            importMgmt = DependencyManagement.newInstance();
        }

        // [MNG-5600] Dependency management import should support exclusions.
        List<Exclusion> exclusions = dependency.getExclusions();
        if (importMgmt != null && !exclusions.isEmpty()) {
            // Dependency excluded from import.
            List<Dependency> dependencies = importMgmt.getDependencies().stream()