docs: func (s *DimensionGroup) Validate() error {
  	invalidParams := request.ErrInvalidParams{Context: "DimensionGroup"}
  	if s.Dimensions != nil && len(s.Dimensions) < 1 {
  		invalidParams.Add(request.NewErrParamMinLen("Dimensions", 1))
  	}
  	if s.Group == nil {
  		invalidParams.Add(request.NewErrParamRequired("Group"))
  	}
  	if s.Limit != nil && *s.Limit < 1 {
  		invalidParams.Add(request.NewErrParamMinValue("Limit", 1))
  	}
  
  	if invalidParams.Len() > 0 {
  		return invalidParams
  	}
  	return nil
  }