for (String id : sorter.getDependents(projectId)) {
            if (projectIds.add(id) && transitive) {
                getDownstreamProjects(id, projectIds, transitive);
            }
        }
    }

    @Override
    public List<MavenProject> getUpstreamProjects(MavenProject project, boolean transitive) {
        Objects.requireNonNull(project, "project cannot be null");

    void downstreamProjectsShouldBeCached(boolean transitive) {
        FilteredProjectDependencyGraph graph =
                new FilteredProjectDependencyGraph(projectDependencyGraph, List.of(aProject));

        when(projectDependencyGraph.getDownstreamProjects(bProject, transitive)).thenReturn(List.of(cProject));

        graph.getDownstreamProjects(bProject, transitive);
        graph.getDownstreamProjects(bProject, transitive);

        checkArtifactIdScope(project, "default", "compile");

        // check all transitive deps of a test dependency are test, except test and provided which is skipped
        artifact = getArtifact(project, "maven-test-test", "scope-provided");
        assertNull(artifact, "Check no provided dependencies are transitive");
        artifact = getArtifact(project, "maven-test-test", "scope-test");

        Key key = new Key(project, transitive, false);
        // Do not use computeIfAbsent here, as the computation is recursive
        // and this is not supported by computeIfAbsent.
        List<MavenProject> list = cache.get(key);
        if (list == null) {
            list = applyFilter(projectDependencyGraph.getDownstreamProjects(project, transitive), transitive, false);

    public static DependencyScope forId(String id) {
        return IDS.get(id);
    }

    private final String id;
    private final boolean transitive;

    DependencyScope(String id, boolean transitive) {
        this.id = id;
        this.transitive = transitive;
    }

    /**
     * The {@code id} uniquely represents a value for this extensible enum.

@SuppressWarnings("module")
module okhttp3 {
  requires transitive kotlin.stdlib;
  requires transitive okio;
  requires java.logging;
  exports okhttp3;
  exports okhttp3.internal to okhttp3.logging, okhttp3.sse, okhttp3.java.net.cookiejar, okhttp3.dnsoverhttps, mockwebserver3, okhttp3.mockwebserver, okhttp3.coroutines, okhttp3.tls;
  exports okhttp3.internal.concurrent to mockwebserver3, okhttp3.mockwebserver;

 * the License.
 */

/** Guava Testlib */
module com.google.common.testlib {
  requires java.logging;
  requires transitive com.google.common;
  requires transitive junit;
  requires static com.google.errorprone.annotations;
  requires static com.google.j2objc.annotations;
  requires static org.jspecify;

  exports com.google.common.collect.testing;

 * under the License.
 */
package org.apache.maven.project;

/**
 * Resolves the transitive dependencies of a project.
 *
 * @deprecated use {@code org.apache.maven.api.services.ProjectBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface ProjectDependenciesResolver {

    /**
     * Resolves the transitive dependencies of a project.
     *

import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 * Verifies exclusions listed in dependencyManagement are valid for
 * transitive dependencies.
 *
 */
@Deprecated
@SuppressWarnings("checkstyle:UnusedLocalVariable")
class ProjectInheritanceTest extends AbstractProjectInheritanceTestCase {

import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 * Verifies scope inheritance of direct and transitive dependencies.
 *
 * Should show three behaviors:
 *
 * 1. dependencyManagement should override the scope of transitive dependencies.
 * 2. Direct dependencies should override the scope of dependencyManagement.
 * 3. Direct dependencies should inherit scope from dependencyManagement when