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- ApacheCon 2005 Demo: ChangeLog Interceptor https://svn.safehaus.org/repos/sandbox/apachecon-m2/interceptor
- ApacheDS Event API http://svn.apache.org/viewcvs.cgi/directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/event
What Others Have
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