* @return The list of custom describers registered on this schema for the given failure type
     */
    <FAILURE extends ResolutionFailure> List<ResolutionFailureDescriber<FAILURE>> getFailureDescribers(Class<FAILURE> failureType);

        throw new UnsupportedOperationException();
    }

    @Override
    public <FAILURE extends ResolutionFailure> List<ResolutionFailureDescriber<FAILURE>> getFailureDescribers(Class<FAILURE> failureType) {
        return Collections.emptyList();
    }

    private static class DoNothingCompatibilityRule implements CompatibilityRule<Object> {
        @Override

    def attributeMatcher = Mock(AttributeMatcher)
    def attributesSchema = Mock(AttributesSchemaInternal) {
        withProducer(_) >> attributeMatcher
        getConsumerDescribers() >> []
        getFailureDescribers(_) >> []
    }
    def attributesFactory = AttributeTestUtil.attributesFactory()
    def requestedAttributes = AttributeTestUtil.attributes(['artifactType': 'jar'])

    def variant = Mock(ResolvedVariant) {