而我所考虑的面向接口编程方式是这样的，当我编写客户端代码时，我会针对接口尽量调用抽象的类也就是层次顶端的类型，但同时要基本包括所需的内容。
The way I think about programming to interfaces is that, as I write client code, I want to write against the interface of the type that's as far up that hierarchy as I can go, without going too far.
一种新的测试客户端，它允许您以可重复并且一致的方式对接收MQ或HTTP消息的消息流进行测试。
A new test client, which lets you test message flows receiving either MQ or HTTP messages in a repeatable and consistent way.
例如，对接收到的同一个咖啡店信息，客户端可以根据在移动电话或高端桌面显示器上渲染自定义不同的表现方式。
For example, the client can customize a representation it receives for the same coffee shop based on whether the information is rendered on a mobile phone or on a high-end desktop monitor.
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