void setClassesToProcess(Set<String> classes);

    /**
     * Classes to process are already compiled classes that are passed to Java compiler.
     * They are passed to Java compiler since they are required by some annotation processor to revisit.
     */
    Set<String> getClassesToProcess();

    void setClassesToCompile(Set<String> classes);

    /**

     * @param dstDir where the compiler will output the class files
     * @param classes the classes to compile
     * @param classPath the classpath to use for compilation
     */
    public static void compile(File srcDir, File dstDir, List<ClassSource> classes, ClassPath classPath) throws GeneratedClassCompilationException {
        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();

    </content>
    <orderEntry type="sourceFolder" forTests="false"/>
    <orderEntry type="module-library" scope="RUNTIME">
      <library>
        <CLASSES>
          <root url="jar://@CACHE_DIR@/commons-collections/commons-collections/3.2.2/@SHA1@/commons-collections-3.2.2.jar!/"/>
        </CLASSES>
        <JAVADOC>
          <root url="jar://@CACHE_DIR@/commons-collections/commons-collections/3.2.2/@SHA1@/commons-collections-3.2.2-javadoc.jar!/"/>

            artifact file('lib1.jar')
            variants {
                classes {
                    attributes.attribute(Attribute.of('format', String), 'classes-dir')
                    artifact file('classes')
                }
                jar {
                    attributes.attribute(Attribute.of('format', String), 'classes-jar')
                    artifact file('lib.jar')
                }

        List<Path> classes = dispatched.get(JavaPathType.CLASSES);
        List<Path> modules = dispatched.get(JavaPathType.MODULES);
        List<Path> unresolved = dispatched.get(PathType.UNRESOLVED);
        assertEquals(3, dispatched.size());
        assertEquals(1, unresolved.size());
        assertEquals(8, classes.size()); // "plexus.pom" and "junit.jar" are excluded.

			},
		},
	}

	testCases := []struct {
		name            string
		classes         []*networkingv1.IngressClass
		classField      *string
		classAnnotation *string
		expectedClass   *string
		expectedError   error
	}{
		{
			name:            "no default, no modification of Ingress",
			classes:         []*networkingv1.IngressClass{classWithFalseDefault, classWithNoDefault, classWithEmptyDefault},

        set.variants >> variants
        variant1.attributes >> typeAttributes("classes")
        variant1.artifacts >> variant1Artifacts
        variant2.attributes >> typeAttributes("jar")

        consumerSchema.withProducer(producerSchema) >> attributeMatcher
        attributeMatcher.matches(_ as Collection, typeAttributes("classes"), _ as AttributeMatchingExplanationBuilder) >> [variant1]

        expect:

        MixInLegacyTypesClassLoader.Spec workerExtensionSpec = classLoaderRegistry.getGradleWorkerExtensionSpec();
        FilteringClassLoader.Spec gradleApiFilter = classLoaderRegistry.getGradleApiFilterSpec();
        VisitableURLClassLoader.Spec userSpec = getUserSpec("worker-loader", additionalClasspath, classes);

    <property name="classes.dir" value="${build.dir}/classes"/>

    <target name="cleanAll">
        <delete dir="${build.dir}"/>
    </target>

    <target name="prepare">
        <tstamp>
            <format property="now" pattern="yyyy-MM-dd hh:mm:ss"/>
        </tstamp>
    </target>

    <target name="build" depends="prepare">
        <mkdir dir="${classes.dir}"/>

    protected
    fun jarClassPathWith(vararg classes: KClass<*>): ClassPath =
        jarClassPathWith("cp.jar", *classes)

    protected
    fun jarClassPathWith(path: String, vararg classes: KClass<*>): ClassPath = classPathOf(
        file(path).also { jar ->
            zipTo(jar, classEntriesFor(classes))
        }
    )

    protected
    fun classPathWith(vararg classes: KClass<*>): ClassPath = classPathOf(