programClassPool.classesAccept(new MyKeepCollector());
programClassPool.classesAccept(new MyKeepCollector()); libraryClassPool.classesAccept(new MyKeepCollector());
programClassPool.classesAccept(new MyKeepCollector()); libraryClassPool.classesAccept(new MyKeepCollector());
programClassPool.classesAccept(new MyKeepCollector()); libraryClassPool.classesAccept(new MyKeepCollector());