OriginalCompleteBefore	OriginalCompleteAfter	Before	After	Project	Commit	CompilationUnit	LineNos	Names	TemplateVariableToCodeBefore	RelevantImports	TemplateVariableToCodeAfter	isRelevant	isSafe
return Sets.powerSet(columns.stream().map(QualifiedNameReference::new).collect(toSet()));	return ImmutableList.copyOf(Sets.powerSet(columns.stream().map(QualifiedNameReference::new).collect(toSet())));	Sets.powerSet(columns.stream().map(QualifiedNameReference::new).collect(toSet()))	ImmutableList.copyOf(Sets.powerSet(columns.stream().map(QualifiedNameReference::new).collect(toSet())))	presto	fd0a15d2e49ce4a01f3b8c8eea885c43cf17f418	com.facebook.presto.sql.tree.Cube	_1 54 _2 55	_1 enumerateGroupingSets _2 enumerateGroupingSets	v0 Sets.powerSet(columns.stream().map(QualifiedNameReference::new).collect(toSet()))	com.google.common.collect.ImmutableList	v0 Sets.powerSet(columns.stream().map(QualifiedNameReference::new).collect(toSet()))	Returns	True