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