Fan Out或Fan In原语中调用样式的特殊行为。
Special behaviour of the invocation style within a Fan Out or Fan in primitive.
在原语中的新支持让您可以查询单一协议、所有协议或Web服务和sca端点的现有行为，如下图所示。
The new support in the primitive lets you querying either a single protocol, all protocols, or the existing behaviour of Web service and SCA endpoints, as show below.
所有请求都经过流，但是一个策略查找原语为所有相关的提升属性设置了特定于操作值，这样针对每个具体的情况就会有不同的行为。
All requests pass through the flow, but a policy lookup primitive has set operation specific values for all the relevant promoted properties so that it behaves differently in each specific case.
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