presto-spi/src/main/java/io/prestosql/spi/block/SingleArrayBlockWriter.java/SingleArrayBlockWriter/retainedBytesForEachPart
class SingleArrayBlockWriter:    @Override
    public void retainedBytesForEachPart(BiConsumer<Object, Long> consumer)
    {
        consumer.accept(blockBuilder, blockBuilder.getRetainedSizeInBytes());
        consumer.accept(this, (long) INSTANCE_SIZE);
    }