}

    @Override
    public boolean isTransitive() {
        return !(isConstraint() || isOptional());
    }

    @Override
    protected MavenDependencyDescriptor withRequested(ModuleComponentSelector newRequested) {
        return new MavenDependencyDescriptor(scope, type, newRequested, dependencyArtifact, excludes);
    }

    public List<ExcludeMetadata> getAllExcludes() {
        return excludes;
    }

    }

    static <T extends MavenDependencyDescriptor> T firstDependency(Iterable<T> elements) {
        elements.find { !it.constraint }
    }

    static <T extends MavenDependencyDescriptor> List<T> dependenciesOnly(Iterable<T> unfiltered) {
        unfiltered.findAll { !it.constraint }
    }

    static <T extends MavenDependencyDescriptor> List<T> constraintsOnly(Iterable<T> unfiltered) {

public class MavenDependencyMetadata extends ExternalModuleDependencyMetadata {

    private final MavenDependencyDescriptor dependencyDescriptor;

    public MavenDependencyMetadata(MavenDependencyDescriptor dependencyDescriptor) {
        this(dependencyDescriptor, null, false);
    }

    public MavenDependencyMetadata(MavenDependencyDescriptor dependencyDescriptor, @Nullable String reason, boolean endorsing) {

    final ExcludeSpec nothing = moduleExclusions.nothing()

    @Override
    MavenDependencyDescriptor create(ModuleComponentSelector selector) {
        return mavenDependencyMetadata(MavenScope.Compile, selector, [])
    }

    MavenDependencyDescriptor createWithExcludes(ModuleComponentSelector selector, List<Exclude> excludes) {

import org.gradle.internal.component.external.model.maven.DefaultMutableMavenModuleResolveMetadata;
import org.gradle.internal.component.external.model.maven.MavenDependencyDescriptor;
import org.gradle.internal.component.external.model.maven.MutableMavenModuleResolveMetadata;
import org.gradle.internal.service.scopes.Scope;
import org.gradle.internal.service.scopes.ServiceScope;

    private final NamedObjectInstantiator objectInstantiator;

    private String packaging = "jar";
    private boolean relocated;
    private String snapshotTimestamp;
    private final ImmutableList<MavenDependencyDescriptor> dependencies;
    private final ImmutableMap<String, Configuration> configurationDefinitions;

    public DefaultMutableMavenModuleResolveMetadata(ModuleVersionIdentifier id,

        given:
        def mavenMetadata = mavenMetadataFactory.create(componentIdentifier, [
            new MavenDependencyDescriptor(MavenScope.Compile, MavenDependencyType.DEPENDENCY, newSelector(DefaultModuleIdentifier.newId("org", "notOptional"), "1.0"), null, []),
            new MavenDependencyDescriptor(MavenScope.Compile, MavenDependencyType.OPTIONAL_DEPENDENCY, newSelector(DefaultModuleIdentifier.newId("org", "optional"), "1.0"), null, [])

    @Override
    ModuleDependencyMetadata newDependency(ModuleComponentSelector requested) {
        MavenDependencyDescriptor dependencyDescriptor = new MavenDependencyDescriptor(MavenScope.Compile, MavenDependencyType.DEPENDENCY, requested, null, [])
        return new MavenDependencyMetadata(dependencyDescriptor)
    }

    @Nonnull String getPackaging();
    boolean isRelocated();
    boolean isPomPackaging();
    boolean isKnownJarPackaging();
    @Nullable
    String getSnapshotTimestamp();

    ImmutableList<MavenDependencyDescriptor> getDependencies();

import org.gradle.internal.component.external.model.ivy.IvyDependencyDescriptor;
import org.gradle.internal.component.external.model.ivy.IvyDependencyMetadata;
import org.gradle.internal.component.external.model.maven.MavenDependencyDescriptor;
import org.gradle.internal.component.external.model.maven.MavenDependencyMetadata;
import org.gradle.internal.component.model.IvyArtifactName;

import java.util.Collections;
import java.util.List;