<a href="GraphObject.html#stretch" class="tsd-kind-accessor">go.GraphObject.stretch</a>.
If the value of GraphObject.stretch is not <a href="Stretch.html#None" class="tsd-kind-enum-member">go.Stretch.None</a>, the Part will be sized
according to the available space in the cell(s).</p>
<p>You can specify constraints for whole rows or columns by calling
<a href="TableLayout.html#getRowDefinition" class="tsd-kind-method">getRowDefinition</a> or <a href="TableLayout.html#getColumnDefinition" class="tsd-kind-met