code: function outputToStdout(prettyPrint) {
    if (prettyPrint && !_.isNumber(prettyPrint)) {
      prettyPrint = 4;
    }
    return function(err, value, callback) {
      if (err) {
        console.error(err);
      } else {
        var str = JSON.stringify(value, null, prettyPrint);
        console.log(str);
      }
      callback(err, value);
    };
  }
docs: Output object to stdout in JSON representation
  @private