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                                Change Return Type	Optional<Duration> to Duration in method public getDistributedPlanningTime() : Duration in class com.facebook.presto.execution.QueryStateTimer | 
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                                Change Return Type	Optional<Duration> to Duration in method public getFinishingTime() : Duration in class com.facebook.presto.execution.QueryStateTimer | 
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                                Change Return Type	Optional<Duration> to Duration in method public getPlanningTime() : Duration in class com.facebook.presto.execution.QueryStateTimer | 
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                                Change Return Type	Optional<Duration> to Duration in method public getAnalysisTime() : Duration in class com.facebook.presto.execution.QueryStateTimer | 
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                                Change Return Type	Optional<Duration> to Duration in method public getResourceWaitingTime() : Duration in class com.facebook.presto.execution.QueryStateTimer | 
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