private @NotNull GitBranchWorker newWorkerWithoutRollback(@NotNull ProgressIndicator indicator) {
    return new GitBranchWorker(myProject, Git.getInstance(), new GitBranchUiHandlerImpl(myProject, indicator) {
      @Override
      public boolean showUnmergedFilesMessageWithRollback(@NotNull String operationName, @NotNull String rollbackProposal) {
        return false;
      }
    });
  }
private @NotNull GitBranchWorker newWorkerWithoutRollback(@NotNull ProgressIndicator indicator)