public void collectInfo(@NotNull Collection<File> files, @Nullable InfoConsumer handler) {
    File first = getFirstItem(files);

    if (first != null) {
      try {
        getFactory(first).createInfoClient().doInfo(files, handler);
      }
      catch (SvnBindException e) {
        handleInfoException(e);
      }
    }
  }
public void collectInfo(@NotNull Collection<File> files, @Nullable InfoConsumer handler)