code: function configure(config) {
          var layout = null;
          if (config.layout) {
              layout = layouts.layout(config.layout.type, config.layout);
          }
          if(config.maxBufferSize){
              maxBufferSize = config.maxBufferSize;
          }
          return memoryAppender(layout, config.timezoneOffset);
      }
docs: ******************************************************
  Configures and returns a new memory appender.
  ******************************************************