Java API - Parameter and Return Types

Duncan Clarkson <[email protected]>
Newsgroups gmane.comp.lang.uml.argouml.user
Message-ID <[email protected]> 
How do I specify that an operation takes a  
javax.xml.parsers.DocumentBuilder as an argument or returns a  
java.io.InputStream?

I know there is a drop-down box where I can select the type of the  
operation or parameter but most of the Java API classes are not  
available for me to select. If they were all there the list would  
obviously be very big but how can I add types from the Java API to  
this list?
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