This lib can make netbeans have native svn support 
without installation of any other program.
It make the concept out of the box stronger.
I think it's not hard to change svn plugin to make lib calls instead exe calls
This lib is used by 

SmartSVN - Standalone Pure Java Subversion GUI Client. 
IntelliJ IDEA - Java IDE developed by JetBrains. 
TeamCity - Collaborative Team Environment developed by JetBrains.. 
JDeveloper - Oracle's Java IDE Subversion integration. 
FishEye - Powerful Source Repository Tracking and Analyzing tool. 
Syncro SVN Client - Standalone Java Subversion GUI Client. 
<oXygen/> - XML Editor and XSLT Debugger. 
Subclipse - Eclipse Subversion plugin. 
Pulse - Automated Build Server. 
locutor - Innovative Document Management System (DMS). 
Svn4Ant - Ant Subversion integration that makes use SVNKit. 
Subversive - Eclipse Subversion plugin developed by Polarion. 
SVN Web Client - Subversion Web Client developed by Polarion. 
Sventon - Pure Java Subversion repository web browser. 
TrackStudio Enterprise - Hierarchical issue tracking and bug tracking system. 
Atlassian JIRA - Bug tracking system (Subversion plugin page). 
Shotoku - Content management framework, developed at JBoss labs. 
Kosmos - Software project monitoring portlets, developed at JBoss labs. 
VCS Report - generates statistic on repository, supports major Java IDEs. 

So why netbeans can enter in this list.

thanks
regards