if (depMgmt != null) {
                for (Dependency dependency : depMgmt.getDependencies()) {
                    dependencies.put(dependency.getManagementKey(), dependency);
                }
            } else {
                depMgmt = new DependencyManagement();
                target.setDependencyManagement(depMgmt);
            }

    static class CycleInImportsResolver extends BaseModelResolver {
        @Override
        public ModelSource resolveModel(Dependency dependency) throws UnresolvableModelException {
            return switch (dependency.getManagementKey()) {
                case BASE1_ID -> new StringModelSource(BASE1);
                case BASE2_ID -> new StringModelSource(BASE2);
                default -> null;
            };
        }
    }

        Map<String, Dependency> normalized = new LinkedHashMap<>(dependencies.size() * 2);

        for (Dependency dependency : dependencies) {
            normalized.put(dependency.getManagementKey(), dependency);
        }

        if (dependencies.size() != normalized.size()) {
            model.setDependencies(new ArrayList<>(normalized.values()));
        }
    }

    /**
     * DuplicateMerger