docs: func (s *CaptionLanguageMapping) Validate() error {
  	invalidParams := request.ErrInvalidParams{Context: "CaptionLanguageMapping"}
  	if s.CaptionChannel == nil {
  		invalidParams.Add(request.NewErrParamRequired("CaptionChannel"))
  	}
  	if s.CaptionChannel != nil && *s.CaptionChannel < 1 {
  		invalidParams.Add(request.NewErrParamMinValue("CaptionChannel", 1))
  	}
  	if s.LanguageCode == nil {
  		invalidParams.Add(request.NewErrParamRequired("LanguageCode"))
  	}
  	if s.LanguageCode != nil && len(*s.LanguageCode) < 3 {
  		invalidParams.Add(request.NewErrParamMinLen("LanguageCode", 3))
  	}
  	if s.LanguageDescription == nil {
  		invalidParams.Add(request.NewErrParamRequired("LanguageDescription"))
  	}
  	if s.LanguageDescription != nil && len(*s.LanguageDescription) < 1 {
  		invalidParams.Add(request.NewErrParamMinLen("LanguageDescription", 1))
  	}
  
  	if invalidParams.Len() > 0 {
  		return invalidParams
  	}
  	return nil
  }