private static boolean processLocalScope(@NotNull LocalSearchScope searchScope,
                                           @NotNull PsiMethod method,
                                           @NotNull Project project,
                                           @NotNull final Processor<? super PsiMethod> consumer) {
    // optimisation: in case of local scope it's considered cheaper to enumerate all scope files and check if there is an inheritor there,
    // instead of traversing the (potentially huge) class hierarchy and filter out almost everything by scope.
    VirtualFile[] virtualFiles = searchScope.getVirtualFiles();
    final PsiClass methodContainingClass = ReadAction.compute(method::getContainingClass);
    if (methodContainingClass == null) return true;

    final boolean[] success = {true};
    for (VirtualFile virtualFile : virtualFiles) {
      ProgressManager.checkCanceled();
      ApplicationManager.getApplication().runReadAction(new Runnable() {
        @Override
        public void run() {
          PsiFile psiFile = PsiManager.getInstance(project).findFile(virtualFile);
          if (psiFile != null) {
            psiFile.accept(new JavaRecursiveElementWalkingVisitor() {
              @Override
              public void visitClass(@NotNull PsiClass candidate) {
                ProgressManager.checkCanceled();
                PsiMethod overridingMethod = candidate.isInheritor(methodContainingClass, true)
                                             ? findOverridingMethod(candidate, method, methodContainingClass) : null;
                if (overridingMethod != null && !consumer.process(overridingMethod)) {
                  success[0] = false;
                  stopWalking();
                }
                else {
                  super.visitClass(candidate);
                }
              }
            });
          }
        }
      });
    }
    return success[0];
  }
private static boolean processLocalScope(@NotNull LocalSearchScope searchScope,
                                           @NotNull PsiMethod method,
                                           @NotNull Project project,
                                           @NotNull final Processor<? super PsiMethod> consumer)