code: @Override
      public GetCostForecastResult getCostForecast(GetCostForecastRequest request) {
          request = beforeClientExecution(request);
          return executeGetCostForecast(request);
      }
docs: <p>
  Retrieves a forecast for how much Amazon Web Services predicts that you will spend over the forecast time period
  that you select, based on your past costs.
  </p>
  
  @param getCostForecastRequest
  @return Result of the GetCostForecast operation returned by the service.
  @throws LimitExceededException
  You made too many calls in a short period of time. Try again later.
  @throws DataUnavailableException
  The requested data is unavailable.
  @sample AWSCostExplorer.GetCostForecast
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ce-2017-10-25/GetCostForecast" target="_top">AWS API
  Documentation</a>