if (tblCellMargin.getTop() != null)
properties.add(new CellMarginTop(tblCellMargin.getTop()));
if (tblCellMargin.getBottom() != null)
properties.add(new CellMarginBottom(tblCellMargin.getBottom()));
if (tblCellMargin.getLeft() != null)
properties.add(new CellMarginLeft(tblCellMargin.getLeft()));
if (tblCellMargin.getRight() != null)
properties.add(new CellMarginRight(tblCellMargin.getRight()));
}
}