in src/main/java/org/apache/sling/feature/apiregions/model/ApiRegion.java [270:287]
    public String toString() {
        Formatter formatter = new Formatter();
        formatter.format("Region '%s'", name);
        if (parent != null) {
            formatter.format(" inherits from %n")
                     .format(parent.toString());
        }
        for (String api : apis) {
            formatter.format("%n * %s", api);
        }
        String toString = formatter.toString();
        formatter.close();
        return toString;
    }