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                                Change Parameter Type	resultHandler : AsyncMethodCallback<tachyon.thrift.Command> to resultHandler : AsyncMethodCallback<PersistCommand> in method public start(iface I, args heartbeat_args, resultHandler AsyncMethodCallback<PersistCommand>) : void in class tachyon.thrift.FileSystemMasterWorkerService.AsyncProcessor.heartbeat | 
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                                Change Parameter Type	lineageDataManager : LineageDataManager to fileDataManager : FileDataManager in method public FileWorkerMasterSyncExecutor(fileDataManager FileDataManager, masterClient FileSystemMasterClient) in class tachyon.worker.file.FileWorkerMasterSyncExecutor | 
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                                Change Parameter Type	success : Command to success : PersistCommand in method public heartbeat_result(success PersistCommand, e TachyonTException) in class tachyon.thrift.FileSystemMasterWorkerService.heartbeat_result | 
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                                Change Parameter Type	success : Command to success : PersistCommand in method public setSuccess(success PersistCommand) : heartbeat_result in class tachyon.thrift.FileSystemMasterWorkerService.heartbeat_result | 
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                                Change Parameter Type	masterClient : LineageMasterClient to masterClient : FileSystemMasterClient in method public FileWorkerMasterSyncExecutor(fileDataManager FileDataManager, masterClient FileSystemMasterClient) in class tachyon.worker.file.FileWorkerMasterSyncExecutor | 
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                                Change Parameter Type	lineageDataManager : LineageDataManager to fileDataManager : FileDataManager in method public FilePersister(fileDataManager FileDataManager, fileId long, blockIds List<Long>) in class tachyon.worker.file.FileWorkerMasterSyncExecutor.FilePersister | 
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                                Change Return Type	Command to PersistCommand in method public getSuccess() : PersistCommand in class tachyon.thrift.FileSystemMasterWorkerService.heartbeat_result | 
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                                Change Return Type	AsyncMethodCallback<tachyon.thrift.Command> to AsyncMethodCallback<PersistCommand> in method public getResultHandler(fb AsyncFrameBuffer, seqid int) : AsyncMethodCallback<PersistCommand> in class tachyon.thrift.FileSystemMasterWorkerService.AsyncProcessor.heartbeat | 
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                                Change Return Type	Command to PersistCommand in method public heartbeat(workerId long, persistedFiles List<Long>) : PersistCommand in class tachyon.thrift.FileSystemMasterWorkerService.Iface | 
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                                Change Return Type	Command to PersistCommand in method public heartbeat(workerId long, persistedFiles List<Long>) : PersistCommand in class tachyon.thrift.FileSystemMasterWorkerService.Client | 
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                                Change Return Type	Command to PersistCommand in method public getResult() : PersistCommand in class tachyon.thrift.FileSystemMasterWorkerService.AsyncClient.heartbeat_call | 
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                                Change Return Type	LineageWorker to FileWorker in method public getLineageWorker() : FileWorker in class tachyon.master.LocalTachyonCluster | 
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                                Change Return Type	LineageCommand to PersistCommand in method public heartbeat(workerId long, persistedFiles List<Long>) : PersistCommand in class tachyon.worker.file.FileSystemMasterClient | 
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                                Change Return Type	Command to PersistCommand in method public recv_heartbeat() : PersistCommand in class tachyon.thrift.FileSystemMasterWorkerService.Client | 
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                                Change Variable Type	lineageWorker : LineageWorker to fileWorker : FileWorker in method public main(args String[]) : void in class tachyon.worker.TachyonWorker | 
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                                Change Variable Type	command : LineageCommand to command : PersistCommand in method public heartbeat() : void in class tachyon.worker.file.FileWorkerMasterSyncExecutor | 
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                                Change Variable Type	manager : LineageDataManager to manager : FileDataManager in method public popPersistedFilesTest() : void in class tachyon.worker.lineage.LineageDataManagerTest | 
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                                Change Variable Type	manager : LineageDataManager to manager : FileDataManager in method public persistFileTest() : void in class tachyon.worker.lineage.LineageDataManagerTest | 
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                                Change Variable Type	o : Command to o : PersistCommand in method public getResultHandler(fb AsyncFrameBuffer, seqid int) : AsyncMethodCallback<PersistCommand> in class tachyon.thrift.FileSystemMasterWorkerService.AsyncProcessor.heartbeat | 
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                                Change Variable Type	checkpointFile : CheckpointFile to persistFile : PersistFile in method public heartbeat() : void in class tachyon.worker.file.FileWorkerMasterSyncExecutor | 
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                                Change Attribute Type	mLineageDataManager : LineageDataManager to mFileDataManager : FileDataManager in class tachyon.worker.file.FileWorkerMasterSyncExecutor.FilePersister | 
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                                Change Attribute Type	mLineageDataManager : LineageDataManager to mFileDataManager : FileDataManager in class tachyon.worker.file.FileWorkerMasterSyncExecutor | 
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                                Change Attribute Type	mLineageWorker : LineageWorker to mLineageWorker : FileWorker in class tachyon.master.AbstractLocalTachyonCluster | 
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                                Change Attribute Type	mMasterClient : LineageMasterClient to mMasterClient : FileSystemMasterClient in class tachyon.worker.file.FileWorkerMasterSyncExecutor | 
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                                Change Attribute Type	mLineageMasterWorkerClient : LineageMasterClient to mFileSystemMasterWorkerClient : FileSystemMasterClient in class tachyon.worker.file.FileWorker | 
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                                Change Attribute Type	success : Command to success : PersistCommand in class tachyon.thrift.FileSystemMasterWorkerService.heartbeat_result | 
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