CheckThread static analysis tool, @ThreadSafe, @ThreadConfined

Hello,
I'm looking for feedback on CheckThread, a free and open source static analysis tool I created.
By using a @ThreadConfined and @ThreadSafe annotation on methods and classes, this tool can catch certain types of threading bugs at compile time.
To see examples, check out:
http://www.checkthread.org/examples.html
For example, when developing a Java Swing app, a Java developer must ensure that the Swing component is accessed only on the Event-Dispatch Thread after the component is realized. With large applications that are thousands of lines of code, simple thread confinement for Swing can be difficult to enforce and may result in wacky sporadic runtime behavior. CheckThread solves this problem using annotations and a static analysis Ant task - thread confinement problems are caught at compile time. An added benefit is that the threading model of Java code is well documented inline with the code.
All feedback welcome!
Thanks,
Joe

I recommend you to ask developers of FindBugs to add your feature to their project. FindBugs says that it already supports concurrency bugs finding (see jcip package), but that support is very poor (actually, it's not working). I'll try your program.

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