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                                Change Return Type	Optional<SingularityTaskHistory> to SingularityTaskHistory in method public getTaskHistoryForTask(taskId String) : SingularityTaskHistory in class com.hubspot.singularity.data.history.HistoryJDBI | 
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                                Change Return Type	Optional<SingularityTaskHistory> to SingularityTaskHistory in method public getTaskHistoryForTaskByRunId(requestId String, runId String) : SingularityTaskHistory in class com.hubspot.singularity.data.history.MySQLHistoryJDBI | 
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                                Change Return Type	Optional<SingularityTaskHistory> to SingularityTaskHistory in method public getTaskHistoryForTaskByRunId(requestId String, runId String) : SingularityTaskHistory in class com.hubspot.singularity.data.history.HistoryJDBI | 
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                                Change Return Type	Optional<SingularityDeployHistory> to SingularityDeployHistory in method public getDeployHistoryForDeploy(requestId String, deployId String) : SingularityDeployHistory in class com.hubspot.singularity.data.history.HistoryJDBI | 
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                                Change Return Type	Optional<SingularityDeployHistory> to SingularityDeployHistory in method public getDeployHistoryForDeploy(requestId String, deployId String) : SingularityDeployHistory in class com.hubspot.singularity.data.history.MySQLHistoryJDBI | 
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                                Change Return Type	Optional<SingularityTaskHistory> to SingularityTaskHistory in method public getTaskHistoryForTask(taskId String) : SingularityTaskHistory in class com.hubspot.singularity.data.history.PostgresHistoryJDBI | 
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                                Change Return Type	Optional<SingularityTaskHistory> to SingularityTaskHistory in method public getTaskHistoryForTaskByRunId(requestId String, runId String) : SingularityTaskHistory in class com.hubspot.singularity.data.history.PostgresHistoryJDBI | 
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                                Change Return Type	Optional<SingularityDeployHistory> to SingularityDeployHistory in method public getDeployHistoryForDeploy(requestId String, deployId String) : SingularityDeployHistory in class com.hubspot.singularity.data.history.PostgresHistoryJDBI | 
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                                Change Return Type	Optional<SingularityTaskHistory> to SingularityTaskHistory in method public getTaskHistoryForTask(taskId String) : SingularityTaskHistory in class com.hubspot.singularity.data.history.MySQLHistoryJDBI | 
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