private void addChangeToList(@Nullable ListData list, @NotNull Change change, AbstractVcs vcs) {
      if (myWorker.myIdx.getChanges().contains(change)) {
        LOG.warn(String.format("Multiple equal changes added: %s", change));
        return;
      }

      myWorker.myIdx.changeAdded(change, vcs);
      if (list != null) {
        myWorker.putChangeMapping(change, list);
      }
      myWorker.myReadOnlyChangesCache = null;
    }
private void addChangeToList(@Nullable ListData list, @NotNull Change change, AbstractVcs vcs)