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