presto-main/src/main/java/io/prestosql/operator/aggregation/LazyAccumulatorFactoryBinder.java/LazyAccumulatorFactoryBinder/LazyAccumulatorFactoryBinder
class LazyAccumulatorFactoryBinder:    public LazyAccumulatorFactoryBinder(AggregationMetadata metadata, DynamicClassLoader classLoader)
    {
        binder = Suppliers.memoize(() -> AccumulatorCompiler.generateAccumulatorFactoryBinder(metadata, classLoader));
    }