// actual
// work. It will call back to report null derefs and redundant null
// comparisons
// through the NullDerefAndRedundantComparisonCollector interface we
// implement.
NullDerefAndRedundantComparisonFinder worker = new NullDerefAndRedundantComparisonFinder(classContext, method, this);
worker.execute();
checkCallSitesAndReturnInstructions();
}