if (dependency.isOptional()) {
            stringBuilder.append("[optional]");
        }
        if (!dependency.getExclusions().isEmpty()) {
            stringBuilder.append("[").append(dependency.getExclusions().size()).append(" exclusions]");
        }
        return stringBuilder.toString();
    }

    private boolean equals(Dependency d1, Dependency d2) {

     */
    private void checkUtSimpleArtifactDependencies(Dependency dep1, Dependency dep2) {
        assertEquals("compile", dep1.getScope());
        assertFalse(dep1.isOptional());
        assertEquals(0, dep1.getExclusions().size());
        Artifact depArtifact = dep1.getArtifact();
        assertEquals("ut.simple", depArtifact.getGroupId());
        assertEquals("dependency", depArtifact.getArtifactId());

                Dependency source,
                boolean sourceDominant,
                Map<Object, Object> context) {
            List<Exclusion> tgt = target.getExclusions();
            if (tgt.isEmpty()) {
                List<Exclusion> src = source.getExclusions();
                builder.exclusions(src);
            }
        }
    }

        List<String> exclusions = new ArrayList<String>();

        for ( Dependency d : project.getDependencies() )
        {
            if ( d.getExclusions() != null )
            {
                for ( Exclusion e : d.getExclusions() )
                {
                    exclusions.add(  e.getGroupId() + ":" + e.getArtifactId() );
                }
            }
        }

                return dependency.isOptional();
            }

            @Nonnull
            @Override
            public Collection<Exclusion> getExclusions() {
                return new MappedCollection<>(dependency.getExclusions(), this::toExclusion);
            }

            private Exclusion toExclusion(org.apache.maven.api.model.Exclusion exclusion) {
                return new Exclusion() {

                dependency.getVersion(),
                props,
                stereotype);

        List<Exclusion> exclusions = new ArrayList<>(dependency.getExclusions().size());
        for (org.apache.maven.model.Exclusion exclusion : dependency.getExclusions()) {
            exclusions.add(convert(exclusion));
        }

        return new Dependency(
                artifact,
                dependency.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()) {
            artifact.setDependencyFilter(new ExclusionArtifactFilter(d.getExclusions()));
        }

        return artifact;
    }

    // DefaultProjectBuilder

            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());
            }

                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(),