How to use the classes list in Javadoc?

[daition]

Hi,

I found two classes in the javadoc of IA, "FileService" and "SystemUtilService". Since they're list here, how can I make use of them? Anyone can give some hints?

Thanks!

[pv7721]

Please see this KB article: http://knowledge.acresso.com/selfservice/microsites/search.do?cmd=displayKC&docType=kc&externalId=Q113344&sliceId=1&docTypeID=DT_HOWTO_1_1&dialogID=4070296&stateId=0%200%204064949