if (attachedArtifacts == null) {
            attachedArtifacts = new ArrayList<>();
        }
        return Collections.unmodifiableList(attachedArtifacts);
    }

    public Xpp3Dom getGoalConfiguration(
            String pluginGroupId, String pluginArtifactId, String executionId, String goalId) {
        Xpp3Dom dom = null;

        if (getBuildPlugins() != null) {