对于一个应用程序，用户可以有user或MANAGER两种角色之一。
Users can have a role of either USER or MANAGER for an application.
例如，对于一个应用程序，根据需要可以启用一些运行时组的捕获，而关闭另一些运行时组的捕获。
For example, for one application, you can turn on capture for a few runtime groups and keep it off on others, based on your needs.
对于应用程序，加载一个包含雇员数据的简单表；该表将支持对其任何列进行排序。
For the application, load a simple table with employee data; the table will support sorting on any of its columns.
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