OriginalCompleteBefore	OriginalCompleteAfter	Before	After	Project	Commit	CompilationUnit	LineNos	Names	TemplateVariableToCodeBefore	RelevantImports	TemplateVariableToCodeAfter	isRelevant	isSafe
cancellableTasks.get(actionClass).markToCancel();	Optional.ofNullable(cancellableTasks.get(actionClass)).ifPresent(ManagedBackgroundTask::markToCancel);	cancellableTasks	cancellableTasks.get(actionClass)	buck	6ee81907f6de853ba9c2bd5f05ecaf533fcb6d40	com.facebook.buck.support.bgtasks.AsyncBackgroundTaskManager	_1 53 _2 53	_1 cancellableTasks _2 cancellableTasks	TCIVar cancellableTasks		TCIVar cancellableTasks	Uses	False