import "maps"

// TargetIDSet - Set representation of TargetIDs.
type TargetIDSet map[TargetID]struct{}

// Clone - returns copy of this set.
func (set TargetIDSet) Clone() TargetIDSet {
	setCopy := NewTargetIDSet()
	maps.Copy(setCopy, set)
	return setCopy
}

// add - adds TargetID to the set.
func (set TargetIDSet) add(targetID TargetID) {
	set[targetID] = struct{}{}
}

// Union - returns union with given set as new set.

        // and we want artifact resolution to only return the system scoped artifact itself.
        //
        if (artifact.getScope() != null && artifact.getScope().equals(Artifact.SCOPE_SYSTEM)) {
            return new ResolutionGroup(null, null, null);
        }

        ResolutionGroup cached = cache.get(
                artifact,

            result = 31 * result + a.getVersion().hashCode();
        }
        result = 31 * result + (a.getClassifier() != null ? a.getClassifier().hashCode() : 0);
        result = 31 * result + (a.getScope() != null ? a.getScope().hashCode() : 0);
        result = 31 * result
                + (a.getDependencyFilter() != null ? a.getDependencyFilter().hashCode() : 0);
        result = 31 * result + (a.isOptional() ? 1 : 0);

        assertEquals(DirectoryCacheScope.IMMEDIATE_CHILDREN, directoryLeaseManager.getCacheEntry(dir1).getScope());
        assertEquals(DirectoryCacheScope.METADATA_ONLY, directoryLeaseManager.getCacheEntry(dir2).getScope());
        assertEquals(DirectoryCacheScope.RECURSIVE_TREE, directoryLeaseManager.getCacheEntry(dir3).getScope());
    }

    /**
     * {@return the time at which the dependency will be used}.
     * It may be, for example, at compile time only, at run time or at test time.
     *
     * @see DependencyCoordinates#getScope()
     */
    @Nonnull
    DependencyScope getScope();

    /**
     * Returns whether the dependency is optional or mandatory.
     * Unlike {@link DependencyCoordinates}, the obligation of a {@code Dependency} is always present.

		rawQuery,
		getCanonicalHeaders(extractedSignedHeaders),
		getSignedHeaders(extractedSignedHeaders),
		payload,
	}, "\n")
	return canonicalRequest
}

// getScope generate a string of a specific date, an AWS region, and a service.
func getScope(t time.Time, region string) string {
	scope := strings.Join([]string{
		t.Format(yyyymmdd),
		region,
		string(serviceS3),
		"aws4_request",
	}, SlashSeparator)

                            String s1 = ArtifactScopeEnum.checkScope(md.artifactScope)
                                    .getScope();
                            String s2 = ArtifactScopeEnum.checkScope(vmd.artifactScope)
                                    .getScope();
                            return s1.compareTo(s2);
                        } else {
                            return 0;

import static java.util.Objects.requireNonNull;

/**
 *
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface DependencyCoordinatesFactoryRequest extends ArtifactCoordinatesFactoryRequest {

    String getScope();

    boolean isOptional();

    @Nonnull
    Collection<Exclusion> getExclusions();

    @Nonnull
    static DependencyCoordinatesFactoryRequest build(
            @Nonnull Session session,

                dependency.getArtifactId(),
                dependency.getVersion(),
                dependency.getScope(),
                dependency.getType(),
                dependency.getClassifier(),
                new TestArtifactHandler(dependency.getType()));

        if (Artifact.SCOPE_SYSTEM.equals(dependency.getScope())) {
            artifact.setFile(new File(dependency.getSystemPath()));
            artifact.setResolved(true);

 * For a given dependency, the scope is directly derived from the
 * {@link org.apache.maven.api.model.Dependency#getScope()} and will be used when using {@link PathScope}
 * and the {@link org.apache.maven.api.services.DependencyResolver}.
 *
 * @since 4.0.0
 * @see org.apache.maven.api.model.Dependency#getScope()
 * @see org.apache.maven.api.services.DependencyResolver
 */
@Experimental
@Immutable
public enum DependencyScope {