rem: scroller.empty(); scroller.padViewportWithPlaceholderRow(scroller.model.totalRowCount());  self._storeConsecutiveRows(0, 10);  scroller.removeRow(0);  self._storeConsecutiveRows(9, 90);  scroller.removeRow(82);  self._checkPlaceholders([]); 
add: }); 
context:             function() {                var scroller = self.scrollingWidget;                scroller.empty();                scroller.padViewportWithPlaceholderRow(scroller.model.totalRowCount());                self._storeConsecutiveRows(0, 10);                scroller.removeRow(0);                self._storeConsecutiveRows(9, 90);                scroller.removeRow(82);                self._checkPlaceholders([]);            });
meta: 3455	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3455/35b7047ef87be917eb89e78d2b82951315da1909/Test.js/clean/xmantissa/js/Mantissa/Test.js