sModel.nodeGroupKeyProperty</a>,
so that the one property indicates that a particular node data is a member of a particular group
and thus that that group represents a lane.</p>
<p>The lanes can be sorted by specifying the <a href="SwimLaneLayout.html#laneComparer" class="tsd-kind-accessor">laneComparer</a> function.</p>
<p>You can add extra space between the lanes by increasing <a href="SwimLaneLayout.html#laneSpacing" class="tsd-kind-accessor">laneSpacing</a> from its default of zero.
That number&#39;s un