All of this information is captured in the service interface used to define the request.
所有这些信息在服务界面中获取，以定义请求。
IColourRule, an implementation of this interface to define an instance of a color rule.
执行这个界面以定义着色规则的实例。
You must also define an asynchronous version of the interface, as shown in Listing 3.
您还必须定义一个异步版本的接口，如清单3所示。
You must also define an asynchronous version of the interface, as shown in Listing 3.
您还必须定义一个异步版本的接口，如清单3所示。
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