code: @Override
      public ListStacksResult listStacks(ListStacksRequest request) {
          request = beforeClientExecution(request);
          return executeListStacks(request);
      }
docs: <p>
  Returns the summary information for stacks whose status matches the specified StackStatusFilter. Summary
  information for stacks that have been deleted is kept for 90 days after the stack is deleted. If no
  StackStatusFilter is specified, summary information for all stacks is returned (including existing stacks and
  stacks that have been deleted).
  </p>
  
  @param listStacksRequest
  The input for <a>ListStacks</a> action.
  @return Result of the ListStacks operation returned by the service.
  @sample AmazonCloudFormation.ListStacks
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/cloudformation-2010-05-15/ListStacks" target="_top">AWS API
  Documentation</a>