/**
  * Terminate Instances 
  * The TerminateInstances operation shuts down one or more instances. This
  * operation is idempotent; if you terminate an instance more than once, each call
  * will succeed.
  * Terminated instances will remain visible after termination (approximately one
  * hour).
  * 
  * @see http://docs.amazonwebservices.com/AWSEC2/2008-12-01/DeveloperGuide/ApiReference-Query-TerminateInstances.html
  * @param mixed $request array of parameters for Amazon_EC2_Model_TerminateInstancesRequest request
  * or Amazon_EC2_Model_TerminateInstancesRequest object itself
  * @see Amazon_EC2_Model_TerminateInstances
  * @return Amazon_EC2_Model_TerminateInstancesResponse Amazon_EC2_Model_TerminateInstancesResponse
  *
  * @throws Amazon_EC2_Exception
  */
 public function terminateInstances($request)
 {
     if (!$request instanceof Amazon_EC2_Model_TerminateInstancesRequest) {
         require_once 'Amazon/EC2/Model/TerminateInstancesRequest.php';
         $request = new Amazon_EC2_Model_TerminateInstancesRequest($request);
     }
     require_once 'Amazon/EC2/Model/TerminateInstancesResponse.php';
     return Amazon_EC2_Model_TerminateInstancesResponse::fromXML($this->_invoke($this->_convertTerminateInstances($request)));
 }
 /**
  * Terminate Instances 
  * The TerminateInstances operation shuts down one or more instances. This
  * operation is idempotent; if you terminate an instance more than once, each call
  * will succeed.
  * Terminated instances will remain visible after termination (approximately one
  * hour).
  *   
  * @see http://docs.amazonwebservices.com/AWSEC2/2008-12-01/DeveloperGuide/ApiReference-Query-TerminateInstances.html      
  * @param mixed $request array of parameters for Amazon_EC2_Model_TerminateInstances request or Amazon_EC2_Model_TerminateInstances object itself
  * @see Amazon_EC2_Model_TerminateInstances
  * @return Amazon_EC2_Model_TerminateInstancesResponse Amazon_EC2_Model_TerminateInstancesResponse
  *
  * @throws Amazon_EC2_Exception
  */
 public function terminateInstances($request)
 {
     require_once 'Amazon/EC2/Model/TerminateInstancesResponse.php';
     return Amazon_EC2_Model_TerminateInstancesResponse::fromXML($this->_invoke('TerminateInstances'));
 }