Primeiro o /Lib/LoadConfig/static.php depois o /Controller/UsersController.php

AppCtontroller.php

App::import('Lib', 'LoadConfigs', array('file' => 'static.php'));

class AppController extends Controller {

..

statis.php

<?php

/**
 * @todo Funções estáticas
 */

class LoadConfigs {

	// Apos carregar a action responsavel
	static function afterRender() {
		$render = '/' . $this->folder_view .  '/' . $this->params['controller'] . '/' . $this->params['action'];
		return $this->render($render);
	}
	
	static function __cURL($url) {
		// create curl resource
		$ch = curl_init();

		// set url
		curl_setopt($ch, CURLOPT_URL, $url);

		//return the transfer as a string
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

		// $output contains the output string
		$output = curl_exec($ch);

		// close curl resource to free up system resources 
		curl_close($ch);
		
		if (!empty($output)) {
			return $output;
		}
		else {
			return NULL;
		}
	}

}

?>

UsersController.php

<?php

App::uses('AppController', 'Controller');

/**
 * Users Controller
 *
 * @property User $User
 */
class UsersController extends AppController {

	/**
	 * index method
	 *
	 * @return void
	 */
	public function admin_index() {
		$this->User->recursive = 0;
		$this->set('users', $this->paginate());
		
		$this->LoadConfig->afterRender();
	}