code: function (routeConfig, methodValue) {
          var rateLimits = [];
          var environment = Shared.config("environment");
          var globalRateLimit = environment.rateLimit;
          if (globalRateLimit) {
              if (globalRateLimit.interval && _.isNumber(globalRateLimit.interval) && parseInt(globalRateLimit.interval) > 0 && globalRateLimit.maxRequests && _.isNumber(globalRateLimit.maxRequests) && parseInt(globalRateLimit.maxRequests) > 0) {
                  rateLimits.push(globalRateLimit);
              }
              else {
                  throw new Error('Global rate limit config invalid' + ". Provide parameters 'interval' and 'maxRequests' with Int value");
              }
          }
          if (routeConfig && routeConfig.rateLimit) {
              if (routeConfig.rateLimit.interval && _.isNumber(routeConfig.rateLimit.interval) && parseInt(routeConfig.rateLimit.interval) > 0 && routeConfig.rateLimit.maxRequests && _.isNumber(routeConfig.rateLimit.maxRequests) && parseInt(routeConfig.rateLimit.maxRequests) > 0) {
                  rateLimits.push(routeConfig.rateLimit);
              }
              else {
                  throw new Error('Rate limit config invalid for route file ' + routeConfig.prefix + ". Provide parameters 'interval' and 'maxRequests' with Int value");
              }
          }
          if (methodValue && methodValue.rateLimit) {
              if (methodValue.rateLimit.interval && _.isNumber(methodValue.rateLimit.interval) && parseInt(methodValue.rateLimit.interval) > 0 && methodValue.rateLimit.maxRequests && _.isNumber(methodValue.rateLimit.maxRequests) && parseInt(methodValue.rateLimit.maxRequests) > 0) {
                  rateLimits.push(methodValue.rateLimit);
              }
              else {
                  throw new Error('Rate limit config invalid for route ' + methodValue.identity + ' in route file ' + routeConfig.prefix + ". Provide parameters 'interval' and 'maxRequests' with Int value");
              }
          }
  
          if (!_.isEmpty(rateLimits) && !Shared.memcached()) {
              throw new Error("Rate limits set but memcached not configured. Provide settings for memcached in environment config file");
          }
  
          return rateLimits;
      }
docs: Validate rate limits settings