docs: func (s *DiscoverInputSchemaInput) Validate() error {
  	invalidParams := request.ErrInvalidParams{Context: "DiscoverInputSchemaInput"}
  	if s.ResourceARN != nil && len(*s.ResourceARN) < 1 {
  		invalidParams.Add(request.NewErrParamMinLen("ResourceARN", 1))
  	}
  	if s.ServiceExecutionRole == nil {
  		invalidParams.Add(request.NewErrParamRequired("ServiceExecutionRole"))
  	}
  	if s.ServiceExecutionRole != nil && len(*s.ServiceExecutionRole) < 1 {
  		invalidParams.Add(request.NewErrParamMinLen("ServiceExecutionRole", 1))
  	}
  	if s.InputProcessingConfiguration != nil {
  		if err := s.InputProcessingConfiguration.Validate(); err != nil {
  			invalidParams.AddNested("InputProcessingConfiguration", err.(request.ErrInvalidParams))
  		}
  	}
  	if s.S3Configuration != nil {
  		if err := s.S3Configuration.Validate(); err != nil {
  			invalidParams.AddNested("S3Configuration", err.(request.ErrInvalidParams))
  		}
  	}
  
  	if invalidParams.Len() > 0 {
  		return invalidParams
  	}
  	return nil
  }