presto-main/src/main/java/io/prestosql/sql/analyzer/Analysis.java/Analysis/setGroupingOperations
class Analysis:    public void setGroupingOperations(QuerySpecification querySpecification, List<GroupingOperation> groupingOperations)
    {
        this.groupingOperations.put(NodeRef.of(querySpecification), ImmutableList.copyOf(groupingOperations));
    }