import org.gradle.api.attributes.AttributesSchema;

import java.util.List;

public interface AttributesSchemaWithDescribers extends AttributesSchema {

    List<AttributeDescriber> getConsumerDescribers();

    void addConsumerDescriber(AttributeDescriber describer);

    }

    @Override
    public DisambiguationRule<Object> disambiguationRules(Attribute<?> attribute) {
        return disambiguationRule;
    }

    @Override
    public List<AttributeDescriber> getConsumerDescribers() {
        return Collections.emptyList();
    }

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

    public static AttributeDescriber selectDescriber(AttributeContainerInternal consumerAttributes, AttributesSchemaInternal consumerSchema) {
        List<AttributeDescriber> consumerDescribers = consumerSchema.getConsumerDescribers();
        Set<Attribute<?>> consumerAttributeSet = consumerAttributes.keySet();
        AttributeDescriber current = null;
        int maxSize = 0;
        for (AttributeDescriber consumerDescriber : consumerDescribers) {

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

    def matchingCache = Mock(ConsumerProvidedVariantFinder)
    def producerSchema = Mock(AttributesSchemaInternal)
    def consumerSchema = Mock(AttributesSchemaInternal) {
        getConsumerDescribers() >> []
        getFailureDescribers(_) >> []
    }
    def attributeMatcher = Mock(AttributeMatcher)
    def factory = Mock(ArtifactVariantSelector.ResolvedArtifactTransformer)

        }
        return EmptySchema.INSTANCE.disambiguationRules(attribute);
    }

    @Override
    public List<AttributeDescriber> getConsumerDescribers() {
        return consumerAttributeDescribers;
    }

    @Override
    public void addConsumerDescriber(AttributeDescriber describer) {
        consumerAttributeDescribers.add(describer);
    }