presto-spi/src/main/java/io/prestosql/spi/type/ArrayType.java/ArrayType/createBlockBuilder
class ArrayType:    @Override
    public BlockBuilder createBlockBuilder(BlockBuilderStatus blockBuilderStatus, int expectedEntries, int expectedBytesPerEntry)
    {
        return new ArrayBlockBuilder(elementType, blockBuilderStatus, expectedEntries, expectedBytesPerEntry);
    }