code: function (level) {
          switch(level) {
              case 10:
                  return module.exports.levels.TRACE;
              case 20:
                  return module.exports.levels.DEBUG;
              case 40:
                  return module.exports.levels.WARN;
              case 50:
                  return module.exports.levels.ERROR;
              case 60:
                  return module.exports.levels.FATAL;
              default:
                  return module.exports.levels.INFO;
          }
      }
docs: Translates a Bunyan logging level number to the name of the level.
  
  @param {number} level - A Bunyan logging level integer. See {@link SplunkBunyanLogger.levels}
  @returns {string}
  @memberof SplunkBunyanLogger