         gridColumnHeaderGroup.visibleSortIndicatorIndices = indices;
     }
 }
-}+}
+

import spark.components.GridColumnHeaderGroup;
import spark.components.Group;
import spark.components.supportClasses.GroupBase;
import spark.core.NavigationUnit;
import spark.layouts.supportClasses.LayoutBase;

use namespace mx_internal;

        var visibleLeft:Number = 0;
        var visibleRight:Number = 0;
        
        // This isn't quite as simple as: 
        //     for each (var columnIndex:int in visibleColumnIndices)
        // since the GridColumnHeaderGroup may be wider than the grid because it
