text: export class DateAxis {
  
    stocksDataSource = new kendo.data.DataSource({
      transport: {
        read: function(options) {
          return System.import('samples/chart/scatter-charts/json/stock-data-2011.json!json')
          .then(data => options.success(data));
        }
      },
      group: {
        field: 'symbol'
      },
      sort: {
        field: 'date',
        dir: 'asc'
      },
      schema: {
        model: {
          fields: {
            date: {
              type: 'date'
            }
          }
        }
      }
    });
  
    seriesDefaults = {
      type: 'scatterLine',
      markers: {
        size: 6
      }
    };
  
    tooltip: {
      visible: true,
      format: '{0:d}, ${1}'
    };
  }
  