ProjectLibrary projectLibrary = new ProjectLibrary();
            projectLibrary.setName((String) library.attribute("name"));
            projectLibrary.setClasses(collectRootUrlAsFiles(getChildren(library, "CLASSES")));
            projectLibrary.setJavadoc(collectRootUrlAsFiles(getChildren(library, "JAVADOC")));
            projectLibrary.setSources(collectRootUrlAsFiles(getChildren(library, "SOURCES")));

        return targetVersion;
    }

    private static ProjectLibrary createProjectLibrary(String name, Iterable<File> jars) {
        ProjectLibrary projectLibrary = new ProjectLibrary();
        projectLibrary.setName(name);
        projectLibrary.setClasses(Sets.newLinkedHashSet(jars));
        return projectLibrary;
    }

    private static ProjectLibrary createScalaSdkLibrary(String name, Iterable<File> jars) {

        def projectLibrary = pluginAndLibraryBuild("project-lib")
        projectLibrary.settingsFile.setText("""
            pluginManagement {
                includeBuild("../${settingsPluginBuild.buildName}")
            }
            plugins {
                id("${settingsPluginBuild.settingsPluginId}")
            }
            rootProject.name="${projectLibrary.buildName}"
        """)

    }

    /**
     * The project-level libraries to be added to the IDEA project.
     */
    public Set<ProjectLibrary> getProjectLibraries() {
        return projectLibraries;
    }

    public void setProjectLibraries(Set<ProjectLibrary> projectLibraries) {
        this.projectLibraries = projectLibraries;
    }

    public PathFactory getPathFactory() {

    @Test
    @ToBeFixedForConfigurationCache
    void canAddProjectLibraries() {
        runTask("idea", """
apply plugin: 'idea'

idea.project {
    def lib = new org.gradle.plugins.ide.idea.model.ProjectLibrary()
    lib.name = "someLib"
    lib.classes << file("someClasses.jar")
    lib.javadoc << file("someJavadoc.jar")
    lib.sources << file("someSources.jar")
    projectLibraries << lib
}
""")