code: @Override
      public GetRateBasedRuleResult getRateBasedRule(GetRateBasedRuleRequest request) {
          request = beforeClientExecution(request);
          return executeGetRateBasedRule(request);
      }
docs: <p>
  Returns the <a>RateBasedRule</a> that is specified by the <code>RuleId</code> that you included in the
  <code>GetRateBasedRule</code> request.
  </p>
  
  @param getRateBasedRuleRequest
  @return Result of the GetRateBasedRule operation returned by the service.
  @throws WAFInternalErrorException
  The operation failed because of a system problem, even though the request was valid. Retry your request.
  @throws WAFInvalidAccountException
  The operation failed because you tried to create, update, or delete an object by using an invalid account
  identifier.
  @throws WAFNonexistentItemException
  The operation failed because the referenced object doesn't exist.
  @sample AWSWAFRegional.GetRateBasedRule
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/waf-regional-2016-11-28/GetRateBasedRule" target="_top">AWS
  API Documentation</a>