func enableASGSuspendedProcesses(d *schema.ResourceData, conn *autoscaling.AutoScaling) error {
	props := &autoscaling.ScalingProcessQuery{
		AutoScalingGroupName: aws.String(d.Id()),
		ScalingProcesses:     expandStringList(d.Get("suspended_processes").(*schema.Set).List()),
	}

	_, err := conn.SuspendProcesses(props)
	if err != nil {
		return err
	}

	return nil
}
func updateASGSuspendedProcesses(d *schema.ResourceData, conn *autoscaling.AutoScaling) error {
	o, n := d.GetChange("suspended_processes")
	if o == nil {
		o = new(schema.Set)
	}
	if n == nil {
		n = new(schema.Set)
	}

	os := o.(*schema.Set)
	ns := n.(*schema.Set)

	resumeProcesses := os.Difference(ns)
	if resumeProcesses.Len() != 0 {
		props := &autoscaling.ScalingProcessQuery{
			AutoScalingGroupName: aws.String(d.Id()),
			ScalingProcesses:     expandStringList(resumeProcesses.List()),
		}

		_, err := conn.ResumeProcesses(props)
		if err != nil {
			return fmt.Errorf("Error Resuming Processes for ASG %q: %s", d.Id(), err)
		}
	}

	suspendedProcesses := ns.Difference(os)
	if suspendedProcesses.Len() != 0 {
		props := &autoscaling.ScalingProcessQuery{
			AutoScalingGroupName: aws.String(d.Id()),
			ScalingProcesses:     expandStringList(suspendedProcesses.List()),
		}

		_, err := conn.SuspendProcesses(props)
		if err != nil {
			return fmt.Errorf("Error Suspending Processes for ASG %q: %s", d.Id(), err)
		}
	}

	return nil

}