clr-angular-static-fix/data/tree-view/providers/tree-selection.provider.ts

1. Install Clarity Icons package through npm:

/*
 * Copyright (c) 2016-2018 VMware, Inc. All Rights Reserved.
 * This software is released under MIT license.
 * The full license information can be found in LICENSE in the root directory of this project.
 */

import { TreeSelectionService } from './tree-selection.service';

export function clrTreeSelectionProviderFactory(existing: TreeSelectionService) {
  return existing || new TreeSelectionService();
}