docs: func (s *UpdateSMBFileShareInput) Validate() error {
  	invalidParams := request.ErrInvalidParams{Context: "UpdateSMBFileShareInput"}
  	if s.DefaultStorageClass != nil && len(*s.DefaultStorageClass) < 5 {
  		invalidParams.Add(request.NewErrParamMinLen("DefaultStorageClass", 5))
  	}
  	if s.FileShareARN == nil {
  		invalidParams.Add(request.NewErrParamRequired("FileShareARN"))
  	}
  	if s.FileShareARN != nil && len(*s.FileShareARN) < 50 {
  		invalidParams.Add(request.NewErrParamMinLen("FileShareARN", 50))
  	}
  	if s.KMSKey != nil && len(*s.KMSKey) < 7 {
  		invalidParams.Add(request.NewErrParamMinLen("KMSKey", 7))
  	}
  
  	if invalidParams.Len() > 0 {
  		return invalidParams
  	}
  	return nil
  }