code: @Override
      public GetReservationUtilizationResult getReservationUtilization(GetReservationUtilizationRequest request) {
          request = beforeClientExecution(request);
          return executeGetReservationUtilization(request);
      }
docs: <p>
  Retrieves the reservation utilization for your account. Master accounts in an organization have access to member
  accounts. You can filter data by dimensions in a time period. You can use <code>GetDimensionValues</code> to
  determine the possible dimension values. Currently, you can group only by <code>SUBSCRIPTION_ID</code>.
  </p>
  
  @param getReservationUtilizationRequest
  @return Result of the GetReservationUtilization 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.
  @throws InvalidNextTokenException
  The pagination token is invalid. Try again without a pagination token.
  @sample AWSCostExplorer.GetReservationUtilization
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ce-2017-10-25/GetReservationUtilization" target="_top">AWS
  API Documentation</a>