private static void appendCallees(@NotNull PsiMember method, @NotNull List<? super UsageInfo> usages) {
    List<PsiElement> calleesSafeToDelete = SafeDeleteFix.computeReferencedCodeSafeToDelete(method);
    for (PsiElement callee : calleesSafeToDelete) {
      usages.add(new SafeDeleteMemberCalleeUsageInfo(callee, method));
    }
  }
private static void appendCallees(@NotNull PsiMember method, @NotNull List<? super UsageInfo> usages)