public class CapabilityNotationParserFactory implements Factory<NotationParser<Object, Capability>> {
    private final static CapabilityNotationParser STRICT_CONVERTER = createSingletonConverter(true);
    private final static CapabilityNotationParser LENIENT_CONVERTER = createSingletonConverter(false);

    private final boolean versionIsRequired;

    public CapabilityNotationParserFactory(boolean versionIsRequired) {