ขอวิธีทํา Auto complete codeigniter 2.1 บน Netbeans หน่อยครับ

<?php

/**
* @property CI_DB_active_record $db
* @property CI_DB_forge $dbforge
* @property CI_Benchmark $benchmark
* @property CI_Calendar $calendar
* @property CI_Cart $cart
* @property CI_Config $config
* @property CI_Controller $controller
* @property CI_Email $email
* @property CI_Encrypt $encrypt
* @property CI_Exceptions $exceptions
* @property CI_Form_validation $form_validation
* @property CI_Ftp $ftp
* @property CI_Hooks $hooks
* @property CI_Image_lib $image_lib
* @property CI_Input $input
* @property CI_Language $language
* @property CI_Loader $load
* @property CI_Log $log
* @property CI_Model $model
* @property CI_Output $output
* @property CI_Pagination $pagination
* @property CI_Parser $parser
* @property CI_Profiler $profiler
* @property CI_Router $router
* @property CI_Session $session
* @property CI_Sha1 $sha1
* @property CI_Table $table
* @property CI_Trackback $trackback
* @property CI_Typography $typography
* @property CI_Unit_test $unit_test
* @property CI_Upload $upload
* @property CI_URI $uri
* @property CI_User_agent $user_agent
* @property CI_Validation $validation
* @property CI_Xmlrpc $xmlrpc
* @property CI_Xmlrpcs $xmlrpcs
* @property CI_Zip $zip
* 
* Some of my lib example
* @property Auth $auth
* @property Row_locking $row_locking
* @property Crud $crud
*
*/

class MY_Controller {};

class CI_DB_Driver {
 /**
  * Execute the query
  *
  * Accepts an SQL string as input and returns a result object upon
  * successful execution of a "read" type query.  Returns boolean TRUE
  * upon successful execution of a "write" type query. Returns boolean
  * FALSE upon failure, and if the $db_debug variable is set to TRUE
  * will raise an error.
  *
  * @access public
  * @param string An SQL query string
  * @param array An array of binding data
  * @return CI_DB_mysql_result
  */
 function query() {}
};

/**
* @property CI_DB_active_record $db
* @property CI_DB_forge $dbforge
* @property CI_Config $config
* @property CI_Loader $load
* @property CI_Session $session
*/

class CI_Model {};

/**
 * @return CI_Controller
 */
function &get;_instance() {}