code: private String generateMethodKey(CtMethod method) throws NotFoundException {
          String classQualifiedName = method.getDeclaringClass().getName();
          String methodSimpleName = method.getName();
          List<String> argClassQualifiedNames = getArgClassQualifiedNames(method);
          return TestMethod.generateMethodKey(classQualifiedName, methodSimpleName, argClassQualifiedNames);
      }
docs: (for example when class of method argument type has not been loaded by class loader)