This property contains a predefined value of the sort of operation or state transition the component wants to propagate up to the application level.

这个属性包含这个组件希望传播到应用程序级的一个预定义值，这个值表示操作的类型或状态迁移。

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In addition to the set of predefined phases and handlers, users can configure user phases and associated handlers at the operation, service, or global level.

除预先定义的阶段和处理程序集外，用户还可以在操作级别、服务级别或全局级别配置用户阶段和相关处理程序。

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This function validates that the operation may proceed based on the predefined policies.

该函数根据预定义的策略验证操作能否继续进行。

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