presto-main/src/main/java/io/prestosql/sql/planner/optimizations/WindowFilterPushDown.java/WindowFilterPushDown/WindowFilterPushDown
class WindowFilterPushDown:    public WindowFilterPushDown(Metadata metadata)
    {
        this.metadata = requireNonNull(metadata, "metadata is null");
        this.domainTranslator = new DomainTranslator(metadata);
    }