code: func (c *CloudFormation) DescribeChangeSet(input *DescribeChangeSetInput) (*DescribeChangeSetOutput, error) {
  	req, out := c.DescribeChangeSetRequest(input)
  	return out, req.Send()
  }
docs: // DescribeChangeSet API operation for AWS CloudFormation.
  //
  // Returns the inputs for the change set and a list of changes that AWS CloudFormation
  // will make if you execute the change set. For more information, see Updating
  // Stacks Using Change Sets (https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-changesets.html)
  // in the AWS CloudFormation User Guide.
  //
  // Returns awserr.Error for service API and SDK errors. Use runtime type assertions
  // with awserr.Error's Code and Message methods to get detailed information about
  // the error.
  //
  // See the AWS API reference guide for AWS CloudFormation's
  // API operation DescribeChangeSet for usage and error information.
  //
  // Returned Error Codes:
  //   * ErrCodeChangeSetNotFoundException "ChangeSetNotFound"
  //   The specified change set name or ID doesn't exit. To view valid change sets
  //   for a stack, use the ListChangeSets action.
  //
  // See also, https://docs.aws.amazon.com/goto/WebAPI/cloudformation-2010-05-15/DescribeChangeSet