private final KeyComputer<V> keyComputer;
        private Map<Object, V> map;
        private List<V> list;

        MergingList(KeyComputer<V> keyComputer, int initialCapacity) {
            this.map = new LinkedHashMap<>(initialCapacity);
            this.keyComputer = keyComputer;
        }

        Object writeReplace() throws ObjectStreamException {

    protected KeyComputer<ReportPlugin> getReportPluginKey() {
        return ReportPlugin::getKey;
    }

    @Override
    protected KeyComputer<ReportSet> getReportSetKey() {
        return ReportSet::getId;
    }

    @Override
    protected KeyComputer<RepositoryBase> getRepositoryBaseKey() {
        return RepositoryBase::getId;
    }

    @Override

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.contains;
import static org.hamcrest.Matchers.is;

/**
 * MavenMerger is based on same instances, subclasses should override KeyComputer per type
 *
 *
 */
class MavenMergerTest {
    private MavenMerger mavenMerger = new MavenMerger();

    @Test
    void mergeArtifactId() {