OriginalCompleteBefore	OriginalCompleteAfter	Before	After	Project	Commit	CompilationUnit	LineNos	Names	TemplateVariableToCodeBefore	RelevantImports	TemplateVariableToCodeAfter	isRelevant	isSafe
return refs == null ? ImmutableList.of() : Collections.unmodifiableList(refs);	return refs == null ? ImmutableList.of() : Collections.unmodifiableCollection(refs);	Collections.unmodifiableList(refs)	Collections.unmodifiableCollection(refs)	closure-compiler	934911ef63a4a7a156a50489116fea197e9fe22a	com.google.javascript.jscomp.GlobalNamespace.Name	_1 1069 _2 1073	_1 refs _2 refs	TCIVar refs	java.util.Collections	TCIVar refs	Uses	True