OrchestrationServiceStateAction type   
定义 OrchestrationServiceStateAction 的值。 
              KnownOrchestrationServiceStateAction 可与 OrchestrationServiceStateAction 互换使用,此枚举包含服务支持的已知值。
服务支持的已知值
              恢复 
              暂停
type OrchestrationServiceStateAction = string