[Seaside] #updateRoot: for children of #WABrush?

[Rick Flower]

Just curious if I've got a class derived from WABrush, is there a way to 
force some javascript to be spit out similar to what you get with the 
#updateRoot: method available in WAComponent object tree?  I looked at 
the listed of implementors for #updateRoot: but didn't see anything 
horribly interesting..  Anyway, just thought I'd ask.. time for bed.. my 
brain is getting too sleepy.. (8->