def cl = urlClassLoader(toolingApiClassPath + isolatedClasses(CustomAction, CustomModel))
        def actionClass = cl.loadClass(CustomAction.name)

        expect:
        def classpath = classpathFor(actionClass)
        def loader = new VisitableURLClassLoader("test", ClassLoader.systemClassLoader.parent, classpath)
        def action = JavaReflectionUtil.newInstance(loader.loadClass(CustomAction.name))

            plugins { java }
        """)

        and:
        withFile("gradle.properties", "org.gradle.kotlin.dsl.accessors=off")

        expect:
        assertThat(
            classPathFor(projectDir, buildFile),
            not(hasAccessorsClasses())
        )
    }

    def "the set of jit accessors is a function of the set of applied plugins"() {

        given:

        def accessorsClassPath = accessorsClassPathFor(settingsFileKts)

        then:
        !accessorsClassPath.isEmpty()
    }

    private List<File> accessorsClassPathFor(File buildFile) {
        return classPathFor(projectDir, buildFile)
            .tap { println(it) }
            .findAll { isAccessorsDir(it) }
    }

    private static boolean isAccessorsDir(File dir) {

    }

    protected List<File> canonicalClassPathFor(File projectDir, File scriptFile = null) {
        return canonicalClasspathOf(kotlinBuildScriptModelFor(projectDir, scriptFile))
    }

    protected List<File> classPathFor(File projectDir, File scriptFile = null) {
        return kotlinBuildScriptModelFor(projectDir, scriptFile).classPath
    }

    protected List<File> sourcePathFor(File scriptFile) {