code: function getClasses(index$$1, element, row) {
        var _this$typedColumns$in = this.typedColumns[index$$1],
            typeDef = _this$typedColumns$in.typeDef,
            custom = _this$typedColumns$in["".concat(element, "Class")];
  
        var isRight = typeDef.isRight;
        if (this.rtl) isRight = true;
        var classes = {
          'vgt-right-align': isRight,
          'vgt-left-align': !isRight
        }; // for td we need to check if value is
        // a function.
  
        if (typeof custom === 'function') {
          classes[custom(row)] = true;
        } else if (typeof custom === 'string') {
          classes[custom] = true;
        }
  
        return classes;
      }
docs: Get classes for the given column index & element.