docs: func (s *Scte35SegmentationDescriptor) Validate() error {
  	invalidParams := request.ErrInvalidParams{Context: "Scte35SegmentationDescriptor"}
  	if s.SegmentationCancelIndicator == nil {
  		invalidParams.Add(request.NewErrParamRequired("SegmentationCancelIndicator"))
  	}
  	if s.SegmentationEventId == nil {
  		invalidParams.Add(request.NewErrParamRequired("SegmentationEventId"))
  	}
  	if s.DeliveryRestrictions != nil {
  		if err := s.DeliveryRestrictions.Validate(); err != nil {
  			invalidParams.AddNested("DeliveryRestrictions", err.(request.ErrInvalidParams))
  		}
  	}
  
  	if invalidParams.Len() > 0 {
  		return invalidParams
  	}
  	return nil
  }