private static ListSelection<Producer> createChangeProducers(@NotNull Project project,
                                                               @NotNull List<? extends Change> changes,
                                                               int selected) {
    return ListSelection.createAt(changes, selected).map(change -> ChangeDiffRequestProducer.create(project, change));
  }
private static ListSelection<Producer> createChangeProducers(@NotNull Project project,
                                                               @NotNull List<? extends Change> changes,
                                                               int selected)