docs: function (foundCpts, targetInfo) {
          var xAxisModel = foundCpts.xAxisModel;
          var yAxisModel = foundCpts.yAxisModel;
          var gridModel = foundCpts.gridModel;
  
          !gridModel && xAxisModel && (gridModel = xAxisModel.axis.grid.model);
          !gridModel && yAxisModel && (gridModel = yAxisModel.axis.grid.model);
  
          return gridModel && gridModel === targetInfo.gridModel;
      }