silverstripe-framework/tests/php/Control/ControllerTest/AccessBaseController.php

<?php

namespace SilverStripe\Control\Tests\ControllerTest;

use SilverStripe\Control\Controller;
use SilverStripe\Dev\TestOnly;

class AccessBaseController extends Controller implements TestOnly
{
	private static $allowed_actions = array();

	private static $extensions = [
		AccessBaseControllerExtension::class
	];

	// Denied for all
	public function method1()
	{
	}

	// Denied for all
	public function method2()
	{
	}
}