http://palawork.it/?charka=incontri-sesso-pordenone&d3a=62 To find out what method is attached to an object in BioPerl during debugging, use ref commend.

ornately >x ref($seq)

It’ll show the class where the object belongs to and search for the class.
Not so funny… Any other way?
NB. As it was said, the commend working during the debugging session; perl -d