? plugin.getExecutions().stream().map(PluginExecution::getId).collect(Collectors.toSet())
                : Set.of();
        String base = "default-" + goal;
        String id = base;
        for (int index = 1; existingIds.contains(id); index++) {
            id = base + '-' + index;
        }
        return id;
    }

    /**
     *  The domain-specific model merger for lifecycle bindings
     */

                lifecycle.getPluginsBoundByDefaultToAllLifecycles(packaging);

        if (defaultPlugins == null) {
            problems.add(new ModelProblemCollectorRequest(Severity.ERROR, Version.BASE)
                    .setMessage("Unknown packaging: " + packaging)
                    .setLocation(model.getLocation("packaging")));
        } else if (!defaultPlugins.isEmpty()) {