presto-main/src/main/java/io/prestosql/operator/aggregation/LazyAccumulatorFactoryBinder.java/LazyAccumulatorFactoryBinder/getGenericAccumulatorFactoryBinder
class LazyAccumulatorFactoryBinder:    @VisibleForTesting
    public GenericAccumulatorFactoryBinder getGenericAccumulatorFactoryBinder()
    {
        return (GenericAccumulatorFactoryBinder) binder.get();
    }