docs: function handleMulterConfig(multerConfig, logger, serviceLoader) {
      // Special handling of storage
      var storageString = _.get(multerConfig, 'storage');
      if (storageString) {
          var multerStorage;
          if (storageString === MULTER_MEMORY_STORAGE) {
              // simple memory storage
              logger.debug('loading simple multer memoryStorage');
              multerStorage = multer.memoryStorage();
          } else {
              // otherwise try and load the service for custom multer storage engine
              logger.debug('loading custom multer storage service');
              var multerService = serviceLoader.get(storageString);
              if (!multerService) {
                  logger.warn('Multer config "storage" property must either be "' + MULTER_MEMORY_STORAGE + '"');
                  logger.warn('or the name of a service that returns a multer storage engine');
              } else {
                  multerStorage = multerService.storage;
              }
          }
          _.set(multerConfig, 'storage', multerStorage);
      }
  
      return multerConfig;
  }