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