}

    @Override
    public void addSourceRoot(@Nonnull Project project, @Nonnull SourceRoot source) {
        MavenProject prj = getMavenProject(requireNonNull(project, "project" + " cannot be null"));
        prj.addSourceRoot(requireNonNull(source, "source" + " cannot be null"));
    }

    @Override
    public void addSourceRoot(
            @Nonnull Project project,

        File basedir = new File(System.getProperty("java.io.tmpdir"));
        project.setFile(new File(basedir, "file"));

        assertEquals(0, project.getSourceRoots().size());

        project.addSourceRoot(new DefaultSourceRoot(
                ProjectScope.MAIN, Language.JAVA_FAMILY, Path.of(basedir.getAbsolutePath(), "src/main/java")));

        assertEquals(1, project.getSourceRoots().size());

        assertExceptionMessageContains("myGroup:myArtifact:1.0-SNAPSHOT", "myGroup:anotherArtifact:1.0-SNAPSHOT");

        // Add a Java module. It should relax the restriction on artifactId.
        projectManager.addSourceRoot(
                project,
                new DefaultSourceRoot(
                        ProjectScope.MAIN,
                        Language.JAVA_FAMILY,
                        "org.foo.bar",