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                                Change Parameter Type	requestId : String to requestId : Optional<String> in method public getTaskIdHistory(requestId Optional<String>, deployId Optional<String>, host Optional<String>, lastTaskStatus Optional<ExtendedTaskState>, startedBefore Optional<Long>, startedAfter Optional<Long>, orderDirection Optional<OrderDirection>, limitStart Optional<Integer>, limitCount Integer) : List<SingularityTaskIdHistory> in class com.hubspot.singularity.data.history.HistoryManager | 
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                                Change Parameter Type	requestId : String to requestIds : List<String> in method private getFromZk(requestIds List<String>) : List<SingularityTaskIdHistory> in class com.hubspot.singularity.data.history.TaskHistoryHelper | 
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                                Change Parameter Type	requestId : String to requestId : Optional<String> in method public getTaskIdHistory(requestId Optional<String>, deployId Optional<String>, host Optional<String>, lastTaskStatus Optional<ExtendedTaskState>, startedBefore Optional<Long>, startedAfter Optional<Long>, orderDirection Optional<OrderDirection>, limitStart Optional<Integer>, limitCount Integer) : List<SingularityTaskIdHistory> in class com.hubspot.singularity.data.history.JDBIHistoryManager | 
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                                Change Parameter Type	requestId : String to requestId : Optional<String> in method public getTaskIdHistory(requestId Optional<String>, deployId Optional<String>, host Optional<String>, lastTaskStatus Optional<ExtendedTaskState>, startedBefore Optional<Long>, startedAfter Optional<Long>, orderDirection Optional<OrderDirection>, limitStart Optional<Integer>, limitCount Integer) : List<SingularityTaskIdHistory> in class com.hubspot.singularity.data.history.HistoryJDBI | 
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                                Change Parameter Type	requestId : String to requestId : Optional<String> in method public SingularityTaskHistoryQuery(requestId Optional<String>, deployId Optional<String>, host Optional<String>, lastTaskStatus Optional<ExtendedTaskState>, startedBefore Optional<Long>, startedAfter Optional<Long>, orderDirection Optional<OrderDirection>) in class com.hubspot.singularity.SingularityTaskHistoryQuery | 
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                                Change Parameter Type	requestId : String to requestId : Optional<String> in method public getTaskIdHistory(requestId Optional<String>, deployId Optional<String>, host Optional<String>, lastTaskStatus Optional<ExtendedTaskState>, startedBefore Optional<Long>, startedAfter Optional<Long>, orderDirection Optional<OrderDirection>, limitStart Optional<Integer>, limitCount Integer) : List<SingularityTaskIdHistory> in class com.hubspot.singularity.data.history.NoopHistoryManager | 
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