code: function getStreams(config) {
    const streams = Array.isArray(config.streams)
      ? [...config.streams]
      : [];
  
    // Nice output to stdout
    if (config.stdout) {
      streams.push({
        name: 'stdout',
        level: config.level,
        stream: bunyanFormat({ outputMode: 'short' }),
        type: 'stream',
      });
    }
  
    // Rollbar Transport
    // Messages at the warn level or higher are transported to Rollbar
    // Messages with an `err` and/or `req` data params are handled specially
    if (config.rollbarToken) {
      streams.push({
        name: 'rollbar',
        level: 'warn',
        stream: new ServerRollbarLogger({
          token: config.rollbarToken,
          environment: config.environment,
          codeVersion: config.codeVersion,
        }),
        type: 'raw',
      });
    }
  
    // Transport server logs
    if (config.logentriesToken) {
      streams.push(new ServerLogentriesLogger({
        name: config.name,
        token: config.logentriesToken,
        level: config.level,
      }));
    }
  
    return streams;
  }
docs: Add standard Node logger streams to `config.streams`
  @private
  @param  {Object} config
  @param  {Array?} config.streams
  @returns {Array}