/**
  * Describe Image Attribute 
  * The DescribeImageAttribute operation returns information about an attribute of
  * an AMI. Only one attribute can be specified per call.
  * 
  * @see http://docs.amazonwebservices.com/AWSEC2/2008-12-01/DeveloperGuide/ApiReference-Query-DescribeImageAttribute.html
  * @param mixed $request array of parameters for Amazon_EC2_Model_DescribeImageAttributeRequest request
  * or Amazon_EC2_Model_DescribeImageAttributeRequest object itself
  * @see Amazon_EC2_Model_DescribeImageAttribute
  * @return Amazon_EC2_Model_DescribeImageAttributeResponse Amazon_EC2_Model_DescribeImageAttributeResponse
  *
  * @throws Amazon_EC2_Exception
  */
 public function describeImageAttribute($request)
 {
     if (!$request instanceof Amazon_EC2_Model_DescribeImageAttributeRequest) {
         require_once 'Amazon/EC2/Model/DescribeImageAttributeRequest.php';
         $request = new Amazon_EC2_Model_DescribeImageAttributeRequest($request);
     }
     require_once 'Amazon/EC2/Model/DescribeImageAttributeResponse.php';
     return Amazon_EC2_Model_DescribeImageAttributeResponse::fromXML($this->_invoke($this->_convertDescribeImageAttribute($request)));
 }
 /**
  * Describe Image Attribute 
  * The DescribeImageAttribute operation returns information about an attribute of
  * an AMI. Only one attribute can be specified per call.
  *   
  * @see http://docs.amazonwebservices.com/AWSEC2/2008-12-01/DeveloperGuide/ApiReference-Query-DescribeImageAttribute.html      
  * @param mixed $request array of parameters for Amazon_EC2_Model_DescribeImageAttribute request or Amazon_EC2_Model_DescribeImageAttribute object itself
  * @see Amazon_EC2_Model_DescribeImageAttribute
  * @return Amazon_EC2_Model_DescribeImageAttributeResponse Amazon_EC2_Model_DescribeImageAttributeResponse
  *
  * @throws Amazon_EC2_Exception
  */
 public function describeImageAttribute($request)
 {
     require_once 'Amazon/EC2/Model/DescribeImageAttributeResponse.php';
     return Amazon_EC2_Model_DescribeImageAttributeResponse::fromXML($this->_invoke('DescribeImageAttribute'));
 }