ImmutableSet<String> hierarchy = config.getHierarchy();
        for (MavenDependencyDescriptor dependency : dependenciesAsArray) {
            if (isOptionalConfiguration && includeInOptionalConfiguration(dependency)) {
                ModuleDependencyMetadata element = new OptionalConfigurationMavenDependencyMetadata(dependency);
                if (size == 1) {
                    return ImmutableList.of(element);