import org.gradle.internal.Factory;
import org.gradle.internal.typeconversion.NotationParser;

import javax.annotation.Nullable;
import java.util.List;
import java.util.Optional;

public class DefaultVariant implements ConfigurationVariantInternal {
    private final Describable parentDisplayName;
    private final String name;
    private final FreezableAttributeContainer attributes;

import (
	"fmt"
	"strings"
)

func extractTags(a Args, target, variant string, hasDoubleDefault bool) []string {
	tags := []string{}
	for _, h := range a.Hubs {
		for _, tg := range a.Tags {
			if variant == DefaultVariant {
				// For default, we have no suffix
				tags = append(tags, fmt.Sprintf("%s/%s:%s%s", h, target, tg, a.suffix))
			} else {
				// Otherwise, we have a suffix with the variant

	variants := sets.New(a.Variants...)
	// hasDoubleDefault checks if we defined both DefaultVariant and PrimaryVariant. If we did, these
	// are the same exact docker build, just requesting different tags. As an optimization, and to ensure
	// byte-for-byte identical images, we will collapse these into a single build with multiple tags.
	hasDoubleDefault := variants.Contains(DefaultVariant) && variants.Contains(PrimaryVariant)

        @Override
        public ConfigurationVariant create(String name) {
            if (canCreate) {
                return instantiator.newInstance(
                    DefaultVariant.class, displayName, name, parentAttributes, artifactNotationParser, fileCollectionFactory, attributesFactory, domainObjectCollectionFactory, taskDependencyFactory
                );
            } else {