code: @Override
      public DescribeKeyPairsResult describeKeyPairs(DescribeKeyPairsRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeKeyPairs(request);
      }
docs: <p>
  Describes the specified key pairs or all of your key pairs.
  </p>
  <p>
  For more information about key pairs, see <a
  href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-key-pairs.html">Key Pairs</a> in the <i>Amazon
  Elastic Compute Cloud User Guide</i>.
  </p>
  
  @param describeKeyPairsRequest
  @return Result of the DescribeKeyPairs operation returned by the service.
  @sample AmazonEC2.DescribeKeyPairs
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/DescribeKeyPairs" target="_top">AWS API
  Documentation</a>