/**
 * Builds a {@link ModuleMetadataSpec} from a {@link PublicationInternal} and its {@link SoftwareComponent}.
 *
 * <p>This builder extracts the variants, dependencies, artifacts, etc from the component to build
 * an independent representation of a GMM file that can be published without additional processing.</p>
 */
public class ModuleMetadataSpecBuilder {

    private final PublicationInternal<?> publication;

        for (Publication publication : publications) {
            PublicationInternal<?> publicationInternal = (PublicationInternal<?>) publication;
            dependsOn((Callable<Set<? extends PublicationArtifact>>) () -> {
                return publicationInternal.getPublishableArtifacts().matching(this::isNoSignatureArtifact);
            });
            publicationInternal.allPublishableArtifacts(artifact -> {

        // Allow the publication to participate in incremental build
        getInputs().files((Callable<FileCollection>) () -> {
            IvyPublicationInternal publicationInternal = getPublicationInternal();
            return publicationInternal == null ? null : publicationInternal.getPublishableArtifacts().getFiles();
        })
            .withPropertyName("publication.publishableFiles")
            .withPathSensitivity(PathSensitivity.NAME_ONLY);

                        MavenPublicationInternal publicationInternal = (MavenPublicationInternal) publication;
                        publicationInternal.getPom().getCoordinates().getArtifactId().set(component.getBaseName());
                        publicationInternal.from(mainVariant);
                        publicationInternal.publishWithOriginalFileName();
                    });

import org.gradle.api.model.ObjectFactory;
import org.gradle.api.plugins.internal.JavaConfigurationVariantMapping;
import org.gradle.api.publish.PublishingExtension;
import org.gradle.api.publish.internal.PublicationInternal;
import org.gradle.api.publish.internal.versionmapping.VersionMappingStrategyInternal;
import org.gradle.api.publish.ivy.IvyPublication;
import org.gradle.api.publish.maven.MavenPublication;

    }

    private SoftwareComponentInternal component() {
        return publication().getComponent().getOrNull();
    }

    private PublicationInternal<?> publication() {
        return Cast.uncheckedNonnullCast(publication.get().get());
    }

    private List<PublicationInternal<?>> publications() {
        return Cast.uncheckedCast(publications.get().get());
    }

import org.gradle.api.model.ObjectFactory;
import org.gradle.api.publish.Publication;
import org.gradle.api.publish.PublicationArtifact;
import org.gradle.api.publish.internal.PublicationInternal;
import org.gradle.api.tasks.TaskContainer;
import org.gradle.internal.Cast;
import org.gradle.plugins.signing.internal.SignOperationInternal;
import org.gradle.plugins.signing.signatory.Signatory;

    def id = DefaultModuleVersionIdentifier.newId("group", "module", "1.2")
    def resolverFactory = new TestDependencyCoordinateResolverFactory()

    private writeTo(Writer writer, PublicationInternal publication, List<PublicationInternal> publications) {
        InvalidPublicationChecker checker = new InvalidPublicationChecker(publication.getName(), ':task', [] as Set)
        ModuleMetadataSpec spec = new ModuleMetadataSpecBuilder(

import org.gradle.api.plugins.jvm.internal.DefaultJvmFeature;
import org.gradle.api.plugins.jvm.internal.JvmFeatureInternal;
import org.gradle.api.publish.PublishingExtension;
import org.gradle.api.publish.internal.PublicationInternal;
import org.gradle.api.publish.internal.versionmapping.VersionMappingStrategyInternal;
import org.gradle.api.publish.ivy.IvyPublication;
import org.gradle.api.publish.maven.MavenPublication;

import org.gradle.api.internal.component.SoftwareComponentInternal
import org.gradle.api.model.ObjectFactory
import org.gradle.api.publish.internal.PublicationArtifactInternal
import org.gradle.api.publish.internal.PublicationInternal
import org.gradle.api.publish.internal.mapping.DefaultDependencyCoordinateResolverFactory
import org.gradle.api.publish.internal.versionmapping.VariantVersionMappingStrategyInternal