* information to the message of the resulting exception, and also adding resolution suggestions if possible.
 *
 * @param <FAILURE> the type of failure that this describer can describe
 */
public interface ResolutionFailureDescriber<FAILURE extends ResolutionFailure> {
    /**
     * Tests whether this describer can be applied to a given failure.
     *

     */
    <FAILURE extends ResolutionFailure> void addFailureDescriber(Class<FAILURE> failureType, Class<? extends ResolutionFailureDescriber<FAILURE>> describerType);

    /**
     * Returns the list of custom {@link ResolutionFailureDescriber}s registered on this schema for the given failure type.
     *
     * @param failureType The type of failure to describe

        List<ResolutionFailureDescriber<FAILURE>> result = new ArrayList<>();
        describers.getOrDefault(failureType, Collections.emptyList()).forEach(d -> {
            @SuppressWarnings("unchecked") ResolutionFailureDescriber<FAILURE> typedDescriber = (ResolutionFailureDescriber<FAILURE>) d;
            result.add(typedDescriber);
        });
        return result;
    }

    /**

    @Override
    public <FAILURE extends ResolutionFailure> void addFailureDescriber(Class<FAILURE> failureType, Class<? extends ResolutionFailureDescriber<FAILURE>> describerType) {
        throw new UnsupportedOperationException();
    }

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

 * limitations under the License.
 */

/**
 * This package contains {@link org.gradle.internal.component.resolution.failure.describer.ResolutionFailureDescriber ResolutionFailureDescriber}s
 * used for describing resolution failures in human-readable terms for use in displaying error messages on the console.
 */
@org.gradle.api.NonNullApi

import org.gradle.api.internal.attributes.AttributeValue;
import org.gradle.api.internal.attributes.AttributesSchemaInternal;
import org.gradle.internal.component.resolution.failure.describer.ResolutionFailureDescriber;
import org.gradle.internal.component.resolution.failure.exception.AbstractResolutionFailureException;
import org.gradle.internal.component.resolution.failure.exception.VariantSelectionException;

import org.gradle.internal.component.resolution.failure.ResolutionFailureDescriberRegistry;
import org.gradle.internal.component.resolution.failure.describer.ResolutionFailureDescriber;
import org.gradle.internal.component.resolution.failure.exception.AbstractResolutionFailureException;
import org.gradle.internal.component.resolution.failure.exception.ConfigurationSelectionException;

import org.gradle.internal.component.resolution.failure.describer.AbstractResolutionFailureDescriber;
import org.gradle.internal.component.resolution.failure.describer.ResolutionFailureDescriber;
import org.gradle.internal.component.resolution.failure.type.IncompatibleGraphVariantFailure;
import org.gradle.internal.component.resolution.failure.type.IncompatibleResolutionFailure;

import org.gradle.api.attributes.plugin.GradlePluginApiVersion;
import org.gradle.api.internal.attributes.AttributesSchemaInternal;
import org.gradle.internal.component.resolution.failure.describer.ResolutionFailureDescriber;
import org.gradle.internal.component.resolution.failure.exception.AbstractResolutionFailureException;
import org.gradle.internal.component.resolution.failure.exception.VariantSelectionException;

import org.gradle.internal.component.resolution.failure.type.ExternalRequestedConfigurationNotFoundFailure;

import java.util.List;
import java.util.Optional;

/**
 * A {@link ResolutionFailureDescriber} that describes an {@link ExternalRequestedConfigurationNotFoundFailure}.
 */