}

    @Override
    public void addConsumerDescriber(AttributeDescriber describer) {
        throw new UnsupportedOperationException();
    }

    @Override
    public <T> AttributeMatchingStrategy<T> getMatchingStrategy(Attribute<T> attribute) {
        throw new UnsupportedOperationException();
    }

    @Override
    public AttributeMatcher matcher() {
        throw new UnsupportedOperationException();
    }