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

    @Override
    protected void mergeModel_Contributors(

        getModel().addMailingList(mailingList);
    }

    public void setDevelopers(List<Developer> developers) {
        getModel().setDevelopers(developers);
    }

    public List<Developer> getDevelopers() {
        return getModel().getDevelopers();
    }

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

    }

    protected void mergeModel_Developers(
            Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {
        target.setDevelopers(
                merge(target.getDevelopers(), source.getDevelopers(), sourceDominant, new DeveloperKeyComputer()));
    }

    protected void mergeModel_Contributors(

                visit(model.getOrganization());
                for (License license : model.getLicenses()) {
                    visit(license);
                }
                for (Developer developer : model.getDevelopers()) {
                    visit(developer);
                }
                for (Contributor contributor : model.getContributors()) {
                    visit(contributor);
                }