presto-memory-context/src/main/java/io/prestosql/memory/context/AggregatedMemoryContext.java/AggregatedMemoryContext/newSimpleAggregatedMemoryContext
class AggregatedMemoryContext:    static AggregatedMemoryContext newSimpleAggregatedMemoryContext()
    {
        return new SimpleAggregatedMemoryContext();
    }