return new AccessibleStateSet();
AccessibleStateSet state = new AccessibleStateSet();   Rectangle visibleRect = getVisibleRect(); Rectangle cellRect = getCellRect(row, column, false); if (visibleRect.intersects(cellRect)) state.add(AccessibleState.SHOWING);   if (isCellSelected(row, column)) state.add(AccessibleState.SELECTED);   if (row == getSelectedRow() && column == getSelectedColumn()) state.add(AccessibleState.ACTIVE);   state.add(AccessibleState.TRANSIENT);   return state;
      public AccessibleStateSet getAccessibleStateSet()      {        // TODO: What state shoiuld be returned here?        return new AccessibleStateSet();      }