OriginalCompleteBefore	OriginalCompleteAfter	Before	After	Project	Commit	CompilationUnit	LineNos	Names	TemplateVariableToCodeBefore	RelevantImports	TemplateVariableToCodeAfter	isRelevant	isSafe
return !(ancestors.size() == 1 && ancestors.peek().getNext() == null);	return !(ancestors.size() == 1 && ancestors.peekLast().getNext() == null);	!(ancestors.size() == 1 && ancestors.peek().getNext() == null)	!(ancestors.size() == 1 && ancestors.peekLast().getNext() == null)	closure-compiler	dafbb464a6f82828476eb7020168d84a701e9bb3	com.google.javascript.jscomp.NodeIterators.FunctionlessLocalScope	_1 44 _2 45	_1 ancestors _2 ancestors	TCIVar ancestors		TCIVar ancestors	Uses	True