docs: function StreamFormatter(loggerManager, options) {
          if (!(this instanceof StreamFormatter)) {
              return new StreamFormatter(loggerManager, options);
          }
  
          stream.Readable.call(this, options);
          this._buffer = [];
          this._pushable = false;
          this._ended = false;
          loggerManager.on("message", this._handleMessage.bind(this));
          loggerManager.on("end", function () { this._handleMessage("END"); }.bind(this));
      }