<?php 

abstract class Concrete5_Model_SystemCaptchaTypeController {

	/** 
	 * Note: feel free to make any of these blank
	 */
	
	/** 
	 * Shows an input for a particular captcha library
 	 */
	abstract function showInput();
	
	/** 
	 * Displays the graphical portion of the captcha 
	 */
	abstract function display();
	
	/** 
	 * Displays the label for this captcha library
	 */
	abstract function label();

}