code: public function getActionMap() {
  		$actionMap = (array) Configure::read('SimpleRbac.actionMap');
  		if (empty($actionMap) && $this->_config['allowEmptyActionMap'] === false) {
  			throw new \RuntimeException('SimpleRbac.actionMap configuration is empty!');
  		}
  		return $actionMap;
  	}
docs: Can be overridden if inherited with a method to fetch this from anywhere, a database for example.
  
  @return array
  @throws RuntimeException