if (dependency == null) {
            return null;
        }

        org.apache.maven.artifact.Artifact result = toArtifact(dependency.getArtifact());
        result.setScope(dependency.getScope());
        result.setOptional(dependency.isOptional());

        return result;
    }

    public static org.apache.maven.artifact.Artifact toArtifact(Artifact artifact) {
        if (artifact == null) {

                    session,
                    new org.eclipse.aether.graph.Dependency(
                            new org.eclipse.aether.artifact.DefaultArtifact(request.getCoordinateString()),
                            request.getScope(),
                            request.isOptional(),
                            map(request.getExclusions(), this::toExclusion)));
        } else {
            return new DefaultDependencyCoordinate(

/**
 *
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface DependencyCoordinateFactoryRequest extends ArtifactCoordinateFactoryRequest {

    String getScope();

    boolean isOptional();

    @Nonnull
    Collection<Exclusion> getExclusions();

    @Nonnull
    static DependencyCoordinateFactoryRequest build(
            @Nonnull Session session,

                return session.requireType(type);
            }

            @Nonnull
            @Override
            public DependencyScope getScope() {
                String scope = dependency.getScope() != null ? dependency.getScope() : "";
                return session.requireDependencyScope(scope);
            }

            @Override
            public Boolean getOptional() {

            ArtifactDescriptorResult artifactDescriptorResult) {
        Set<String> mavenArtifacts = artifactDescriptorResult.getDependencies().stream()
                .filter(d -> !DependencyScope.PROVIDED.is(d.getScope()) && !DependencyScope.TEST.is(d.getScope()))
                .map(org.eclipse.aether.graph.Dependency::getArtifact)
                .filter(a -> "org.apache.maven".equals(a.getGroupId()))

            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);

        return session.requireType(type);
    }

    @Nonnull
    @Override
    public DependencyScope getScope() {
        return session.requireDependencyScope(dependency.getScope());
    }

    @Nullable
    @Override
    public Boolean getOptional() {
        return dependency.getOptional();
    }

    @Nonnull
    @Override

            parent = node;
        }
        return tree;
    }

    public void setClasspath(List<ArtifactMetadata> classpath) {
        this.classpath = classpath;
    }

    public ArtifactScopeEnum getScope() {
        return scope;
    }

    public void setScope(ArtifactScopeEnum scope) {
        this.scope = scope;
    }

  if (TF_GetCode(status) != TF_OK) return nullptr;
  TFE_OpSetAttrInt(op.get(), "N", num_replicas);
  for (int i = 0; i < num_replicas; ++i) {
    TFE_OpAddInput(op.get(), components[i], status);
    if (TF_GetCode(status) != TF_OK) return nullptr;
  }
  TFE_OpSetDevice(op.get(), device, status);
  if (TF_GetCode(status) != TF_OK) return nullptr;

		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)