code: protected <E extends Event> void linkCommand(final Node node, final javafx.event.EventType<E> eventType,
              final Class<? extends Command> commandClass, final WaveData<?>... waveData) {
  
          linkCommand(node, eventType, commandClass, null, waveData);
      }
docs: Link a command to an event triggered on a node.
  
  This method doesn't use any callback function to trigger the command.
  
  @param node the node to follow
  @param eventType the type of the event to follow
  @param commandClass the command to launch
  @param waveData additional Wave data
  
  @param <E> The type of JavaFX Event to track