OriginalCompleteBefore	OriginalCompleteAfter	Before	After	Project	Commit	CompilationUnit	LineNos	Names	TemplateVariableToCodeBefore	RelevantImports	TemplateVariableToCodeAfter	isRelevant	isSafe
if(tail == null)	if(eventBuffer != null)	tail == null	tail != null	hadoop	33ae2a4ae1a9a6561157d2ec8a1d80cb5c50ff2d	org.apache.hadoop.yarn.ContainerLogAppender	_1 44 _2 42	_1 tail _2 eventBuffer	TCIVar tail v1 null		TCIVar tail v1 null	Uses	True
if(queue == null)	if(queue != null)	queue == null	queue != null	beam	bac17330eac8b91f819ffc6ab40fedd7dc2c6236	org.apache.beam.runners.dataflow.worker.StreamingDataflowWorker.ComputationState	_1 2113 _2 2157	_1 queue _2 queue	TCIVar queue v1 null		TCIVar queue v1 null	Uses	True