String implClass = 'my.MyPlugin'
    ) {
        file("$targetBuildName/build.gradle") << """
            plugins {
                id("groovy-gradle-plugin")
            }
            gradlePlugin {
                plugins {
                    test {
                        id = "$pluginId"
                        implementationClass = "$implClass"
                    }
                }

        String name,
        Class<T> implClass,
        Action<BuildServiceSpec<P>> configuration = Actions.doNothing()
    ) {
        return registry.registerIfAbsent(name, implClass, configuration) as RegisteredBuildServiceProvider<T, P>
    }

    private buildFinished() {

            //
            // Add factory method
            //
            publicMethod("load", RETURN_OBJECT_FROM_STRING, methodVisitor -> new MethodVisitorScope(methodVisitor) {{
                // Call return new <implClass>(param1)
                _NEW(implementationType);
                _DUP();
                _ALOAD(1);
                _INVOKESPECIAL(implementationType, CONSTRUCTOR_NAME, RETURN_VOID_FROM_STRING);