private static int searchForOverridingCount(final PsiMethod method, final Collection<? extends PsiClass> containingClassInheritors) {
    int counter = 0;
    for (final PsiClass inheritor : containingClassInheritors) {
      if (inheritor instanceof PsiExtensibleClass) {
        final List<PsiMethod> ownMethods = ((PsiExtensibleClass)inheritor).getOwnMethods();
        for (PsiMethod ownMethod : ownMethods) {
          if (maybeSuper(method, ownMethod)) {
            counter++;
            break;
          }
        }

      }
    }
    return counter;
  }
private static int searchForOverridingCount(final PsiMethod method, final Collection<? extends PsiClass> containingClassInheritors)