// Analyze plugins from effective model
        return analyzePluginsFromEffectiveModel(context, effectiveModel, pluginUpgrades);
    }

    /**
     * Analyzes plugins from the effective model and determines which ones need upgrades.
     */
    private Set<String> analyzePluginsFromEffectiveModel(
            UpgradeContext context, Model effectiveModel, Map<String, PluginUpgrade> pluginUpgrades) {