private void putExceptions(final HotfixData key, @NotNull final List<? extends VcsException> list) {
      if (list.isEmpty()) return;
      myGroupedExceptions.computeIfAbsent(key, k -> new ArrayList<>()).addAll(list);
    }
private void putExceptions(final HotfixData key, @NotNull final List<? extends VcsException> list)