This interface is used for collecting collision regions. There are two separate types of regions - vertical and horizontal.
The collector does not use any context. Use ConnectionWidgetCollisionCollector interface
if you want to receive context of currently routed connection widget.
Gathers collision collections and fills up the lists of vertical and horizontal collisions.
This method is similar to ConnectionWidgetCollisionCollector.collectCollisions
but does not take any paramter of a collector context.
verticalCollisions - the list of vertical collisions
horizontalCollisions - the list of horizontal collisions