class ContributorsResults(BaseModel):
    contributors: Counter[str]
    translation_reviewers: Counter[str]
    translators: Counter[str]
    authors: dict[str, Author]


def get_contributors(pr_nodes: list[PullRequestNode]) -> ContributorsResults:
    contributors = Counter[str]()
    translation_reviewers = Counter[str]()
    translators = Counter[str]()
    authors: dict[str, Author] = {}

        Model merged = mavenMerger.merge(target, source, true, null);

        assertEquals(1, merged.getContributors().size(), "Expected exactly 1 contributor");
        assertTrue(
                merged.getContributors().contains(contributor),
                "Expected contributors to contain " + contributor + " but was " + merged.getContributors());
    }

    @Test
    void mergeSameDependencies() {

    @Override
    protected void mergeModel_Contributors(
            Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {
        if (target.getContributors().isEmpty()) {
            target.setContributors(new ArrayList<>(source.getContributors()));
        }
    }

    @Override
    protected void mergeModel_MailingLists(

    public void addDeveloper(Developer developer) {
        getModel().addDeveloper(developer);
    }

    public void setContributors(List<Contributor> contributors) {
        getModel().setContributors(contributors);
    }

    public List<Contributor> getContributors() {
        return getModel().getContributors();
    }

    public void addContributor(Contributor contributor) {
        getModel().addContributor(contributor);

    }

    protected void mergeModel_Contributors(
            Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {
        target.setContributors(merge(
                target.getContributors(), source.getContributors(), sourceDominant, new ContributorKeyComputer()));
    }

    protected void mergeModel_IssueManagement(

                }
                for (Developer developer : model.getDevelopers()) {
                    visit(developer);
                }
                for (Contributor contributor : model.getContributors()) {
                    visit(contributor);
                }
                for (MailingList mailingList : model.getMailingLists()) {
                    visit(mailingList);
                }