private static void performAdditions(@NotNull AbstractVcs vcs,
                                       @NotNull List<? extends VirtualFile> value) {
    CheckinEnvironment checkinEnvironment = vcs.getCheckinEnvironment();
    if (checkinEnvironment != null) {
      checkinEnvironment.scheduleUnversionedFilesForAddition(value);
    }
  }
private static void performAdditions(@NotNull AbstractVcs vcs,
                                       @NotNull List<? extends VirtualFile> value)