code: function buildWrapper(chartType, dataTable, options, containerId) {
        var wrapper = new google.visualization.ChartWrapper({
          chartType: chartType,
          dataTable: dataTable,
          options: options,
          containerId: containerId
        });
  
        return wrapper;
      }
docs: Initialize the wrapper
  
  @link https://developers.google.com/chart/interactive/docs/reference#chartwrapper-class
  
  @return object