docs: func (s *UpdateNFSFileShareInput) Validate() error {
  	invalidParams := request.ErrInvalidParams{Context: "UpdateNFSFileShareInput"}
  	if s.ClientList != nil && len(s.ClientList) < 1 {
  		invalidParams.Add(request.NewErrParamMinLen("ClientList", 1))
  	}
  	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 s.Squash != nil && len(*s.Squash) < 5 {
  		invalidParams.Add(request.NewErrParamMinLen("Squash", 5))
  	}
  	if s.NFSFileShareDefaults != nil {
  		if err := s.NFSFileShareDefaults.Validate(); err != nil {
  			invalidParams.AddNested("NFSFileShareDefaults", err.(request.ErrInvalidParams))
  		}
  	}
  
  	if invalidParams.Len() > 0 {
  		return invalidParams
  	}
  	return nil
  }