}

    protected
    inline fun <reified T> instantiatePrecompiledScriptOf(target: T, className: String): Any =
        loadCompiledKotlinClass(className)
            .getConstructor(T::class.java, T::class.java)
            .newInstance(target, target)

    protected
    fun loadCompiledKotlinClass(className: String): Class<*> =
        classLoaderFor(existing("build/classes/kotlin/main"))
            .loadClass(className)

            """
        )

        // when:
        compileKotlin()

        // then:
        @Suppress("unchecked_cast")
        val pluginAdapter =
            loadCompiledKotlinClass("MyProjectScriptPlugin")
                .getConstructor()
                .newInstance() as Plugin<Project>

        val exception =
            assertFailsWith(IllegalStateException::class) {